Volkswagen Tiguan Service and Repair Manual: Adapter for Assembling Flushing Circuit

Volkswagen Tiguan Service and Repair Manual / Refrigerant R134a Servicing / Refrigerant Circuit, Removing Contaminants / Refrigerant Circuit, Flushing (Cleaning) with Refrigerant R134a / Adapter for Assembling Flushing Circuit

The following table lists the different adapters necessary to connect the service station to the refrigerant circuit, to flush and to bypass the removed receiver/dryer or reservoir and expansion valve (depending on the vehicle).
Using a charge hose with 5/8 -18 UNF connections (short version, for example Refrigerant Circuits Adapter Set 1 - Hose 31 -VAS6338/31-), connect the two adapters (contained in Refrigerant Circuits Adapter Set 1 -VAS6338/1-) which have been installed for the removed reservoir or receiver/dryer.
If a flushed refrigerant circuit is not reassembled immediately after flushing, adapters remain at connections and seal the connections at the adapters using Refrigerant Circuits Adapter Set 1 - Adapter 30 -VAS6338/30- (from Refrigerant Circuits Adapter Set 1 -VAS6338/1-).
Depending on the version of the A/C compressor and on the time period of production, various connecting and sealing technologies can be found on the refrigerant circuit. Refer to Heating, Ventilation and Air Conditioning.

Block or screw connections

Screw connection -A-
Block connection -B-

Volswagen Tiguan. A87-10132

Block connections with different types of seals

Block connection with radially sealed connection -A- (with plastic or metal guide -B-)

Block connection with axial sealing connection -C-

Volswagen Tiguan. A87-10133

Fox MY 2005

Vehicle	Required adapters for refrigerant pipes to A/C compressor	Required adapters for refrigerant pipes to receiver/dryer	Miscellaneous
Fox from MY 2005	Low pressure side Refrigerant Circuits Adapter Set 1 - Adapter 12 -VAS6338/12- High pressure side Refrigerant Circuits Adapter Set 1 - Adapter 2 -VAS6338/2-	Remove dryer cartridge and seal receiver/dryer. Install a new dryer cartridge after flushing.	Replace the expansion valve with the Refrigerant Circuits Adapter Set 1 - Adapter 34 -VAS6338/34- Install a new expansion valve after flushing.

Lupo MY 1999

Vehicle	Required adapters for refrigerant pipes to A/C compressor	Required adapters for refrigerant pipes to receiver/dryer	Miscellaneous
Lupo from MY 1999 through VIN 70000	Low pressure side Refrigerant Circuits Adapter Set 1 - Adapter 12 -VAS6338/12- High pressure side Refrigerant Circuits Adapter Set 1 - Adapter 2 -VAS6338/2-	Remove receiver/dryer and bridge coolant pipes. Refrigerant Circuits Adapter Set 1 - Adapter 28 -VAS6338/28- Refrigerant Circuits Adapter Set 1 - Adapter 29 -VAS6338/29- Install a new receiver/dryer after flushing.	Expansion valve replaced by Refrigerant Circuits Adapter Set 1 - Adapter 19 -VAS6338/19- (or a drilled open expansion valve for example 6N0 820 679 C) Install a new expansion valve after flushing.
Lupo from MY 1999 from VIN 70001	Low pressure side Refrigerant Circuits Adapter Set 1 - Adapter 12 -VAS6338/12- High pressure side Refrigerant Circuits Adapter Set 1 - Adapter 2 -VAS6338/2- or Refrigerant Circuits Adapter Set 1 - Adapter 7 -VAS6338/7-	Receiver/Dryer May be flushed. Install a new receiver/dryer after flushing.	Replace the expansion valve with the Refrigerant Circuits Adapter Set 1 - Adapter 19 -VAS6338/19- (or a drilled open expansion valve, for example 6N0 820 679 C) Install a new expansion valve after flushing.

up! 2012; e-up! MY 2014

Vehicle	Required adapters for refrigerant pipes to A/C compressor	Required adapters for refrigerant pipes to receiver/dryer	Miscellaneous
up! e-up! from MY 2012 From MY 2014	Low pressure side Refrigerant Circuits Adapter Set 1 - Adapter 12 -VAS6338/12- High pressure side Refrigerant Circuits Adapter Set 1 - Adapter 3 -VAS6338/3- Flush electrically-driven A/C compressor using Refrigerant Circuits Adapter Set - Adapter 40 -VAS6338/40- and Refrigerant Circuits Adapter Set - Adapter 41 -VAS6338/41-.	Receiver/Dryer May be flushed. Install a new receiver/dryer after flushing.	Replace the expansion valve with the Refrigerant Circuits Adapter 36 -VAS6338/36- or Refrigerant Circuits Adapter Set 1 - Adapter 34 -VAS6338/34- (or a drilled open expansion valve, for example 1S0 820 078) Install a new expansion valve after flushing.

Polo MY 1995

Vehicle	Required adapters for refrigerant pipes to A/C compressor	Required adapters for refrigerant pipes to receiver/dryer	Miscellaneous
Polo from MY 1995 through VIN 50000	Refrigerant Circuits Adapter Set 1 - Adapter 14 - VAS6338/14-	Remove receiver/dryer and bridge coolant pipes. Refrigerant Circuits Adapter Set 1 - Adapter 28 -VAS6338/28- Refrigerant Circuits Adapter Set 1 - Adapter 29 -VAS6338/29- Install a new receiver/dryer after flushing.	Replace the expansion valve with the Refrigerant Circuits Adapter Set 1 - Adapter 19 -VAS6338/19- (or a drilled open expansion valve, for example 6N0 820 679 C) Install a new expansion valve after flushing.
Polo from MY 1995 from VIN 50001	Low pressure side Refrigerant Circuits Adapter Set 1 - Adapter 7 -VAS6338/7- High pressure side Refrigerant Circuits Adapter Set 1 - Adapter 2 -VAS6338/2-	Receiver/Dryer May be flushed. Install a new receiver/dryer after flushing.	Replace the expansion valve with the Refrigerant Circuits Adapter Set 1 - Adapter 19 -VAS6338/19- (or a drilled open expansion valve, for example 6N0 820 679 C) Install a new expansion valve after flushing.

Polo MY 2002

Vehicle	Required adapters for refrigerant pipes to A/C compressor	Required adapters for refrigerant pipes to receiver/dryer	Miscellaneous
Polo from MY 2002	Low pressure side Refrigerant Circuits Adapter Set 1 - Adapter 12 -VAS6338/12 High pressure side Refrigerant Circuits Adapter Set 1 - Adapter 2 -VAS6338/2-	Remove dryer cartridge and seal receiver/dryer. Install a new dryer cartridge after flushing.	Replace the expansion valve with the Refrigerant Circuits Adapter Set 1 - Adapter 34 -VAS6338/33- (or a drilled open expansion valve ) Install a new expansion valve after flushing.

Caddy MY 1996; Caddy MY 2004; Caddy MY 2011

Vehicle	Required adapters for refrigerant pipes to A/C compressor	Required adapters for refrigerant pipes to receiver/dryer	Miscellaneous
Caddy from MY 1996	Low pressure side Refrigerant Circuits Adapter Set 1 - Adapter 4 -VAS6338/4- High pressure side Refrigerant Circuits Adapter Set 1 - Adapter 2 -VAS6338/2- or Refrigerant Circuits Adapter Set 1 - Adapter 14 -VAS6338/14-	Remove receiver/dryer and bridge coolant pipes. Refrigerant Circuits Adapter Set 1 - Adapter 28 -VAS6338/28- Refrigerant Circuits Adapter Set 1 - Adapter 29 -VAS6338/29- Install a new receiver/dryer after flushing.	Replace the expansion valve with the Refrigerant Circuits Adapter Set 1 - Adapter 19 -VAS6338/19- (or a drilled open expansion valve, for example 6N0 820 679 C) Install a new expansion valve after flushing.
Caddy from MY 2004; Caddy from MY 2011	Sanden / Denso A/C compressor Low pressure side Refrigerant Circuits Adapter Set 1 - Adapter 12 -VAS6338/12- High pressure side Refrigerant Circuits Adapter Set 1 - Adapter 3 -VAS6338/3- 7H0 820 803 D A/C compressor Low pressure side Refrigerant Circuits Adapter Set 1 - Adapter 7 -VAS6338/7- High pressure side Refrigerant Circuits Adapter Set 1 - Adapter 2 -VAS6338/2-	Receiver/Dryer May be flushed. Install a new receiver/dryer after flushing.	Replace the expansion valve with the Refrigerant Circuits Adapter Set 1 - Adapter 18 -VAS6338/18- (or a drilled open expansion valve ) Install a new expansion valve after flushing.

Polo MY 2010; Polo KH IN MY 2010; Polo KH IN MY 2015; Polo Lim IN MY 2011; Polo Lim In MY 2016; Polo Lim RUS MY 2011; Polo Lim RUS MY 2016; Polo KH MY 2014; Polo KH MY 2015; Polo Lim MY 2014; Polo Lim MY 2016 and Polo 2014

Vehicle	Required adapters for refrigerant pipes to A/C compressor	Required adapters for refrigerant pipes to receiver/dryer	Miscellaneous
Polo from MY 2010; Polo KH IN from MY 2010; Polo KH IN from MY 2015; Polo Lim IN from MY 2011; Polo Lim IN from MY 2016; Polo Lim RUS from MY 2011; Polo Lim RUS from MY 2016; Polo KH from MY 2014; Polo KH from MY 2015; Polo Lim from MY 2014; Polo Lim from MY 2016 and Polo from MY 2014	Low pressure side Refrigerant Circuits Adapter Set 1 - Adapter 12 -VAS6338/12- High pressure side Refrigerant Circuits Adapter Set 1 - Adapter 3 -VAS6338/3- For A/C compressors 6Q0 820 808 F and 6Q0 820 808 G, high pressure side Refrigerant Circuits Adapter Set 1 - Adapter 2 -VAS6338/2-.	Remove dryer cartridge and seal receiver/dryer. Install a new dryer cartridge after flushing.	Replace the expansion valve with the Refrigerant Circuits Adapter Set 1 - Adapter 34 -VAS6338/34- (or a drilled open expansion valve) Install a new expansion valve after flushing.

Golf MY 1992; Vento MY 1992; Passat MY 1994

Vehicle	Required adapters for refrigerant pipes to A/C compressor	Required adapters for refrigerant pipes to receiver/dryer	Miscellaneous
Golf from MY 1992; Vento from MY 1992; Passat from MY 1994	Refrigerant Circuits Adapter Set 1 - Adapter 14 - VAS6338/14-	Remove receiver/dryer and bridge coolant pipes. Refrigerant Circuits Adapter Set 1 - Adapter 28 -VAS6338/28- Refrigerant Circuits Adapter Set 1 - Adapter 29 -VAS6338/29- Install a new receiver/dryer after flushing.	Replace the expansion valve with the Refrigerant Circuits Adapter Set 1 - Adapter 19 -VAS6338/19- (or a drilled open expansion valve, for example 6N0 820 679 C Install a new expansion valve after flushing.

Touran MY 2003; Golf MY 2004; Golf Plus MY 2005; Golf Plus MY 2009; Jetta MY 2005; Eos MY 2006; Golf Variant MY 2007; Tiguan MY 2008; Scirocco MY 2009; Scirocco MY 2015; Golf MY 2009; Golf Variant MY 2010; Jetta MY 2011; Golf Cabrio MY 2012; NMS MY 2012; Beetle MY 2012 and Golf MY 2013

Vehicle	Required adapters for refrigerant pipes to A/C compressor	Required adapters for refrigerant pipes to receiver/dryer	Miscellaneous
Touran from MY 2003; Golf from MY 2004; Golf Plus from MY 2005; Golf Plus from MY 2009; Jetta from MY 2005; Eos from MY 2006; Golf Variant from MY 2007; Tiguan from MY 2008; Scirocco from MY 2009; Scirocco from MY 2015; Golf from MY 2009; Golf Variant from MY 2010; Jetta from MY 2011; Golf Cabrio from MY 2012; NMS from MY 2012 and Beetle from MY 2012	Low pressure side Refrigerant Circuits Adapter Set 1 - Adapter 12 -VAS6338/12- High pressure side Refrigerant Circuits Adapter Set 1 - Adapter 3 -VAS6338/3-	There are two versions of the receiver/dryer: Refer to the vehicle specific repair manual. Receiver/dryer with an installed dryer. May be flushed. Install a new receiver/dryer after flushing. receiver/dryer with dryer bag / cartridge Remove the dryer bag / cartridge and close the receiver/dryer. Install a new dryer bag / cartridge after flushing.	Replace the expansion valve with the Refrigerant Circuits Adapter Set 1 - Adapter 18 -VAS6338/18- Install a new expansion valve after flushing.

Golf MY 2013; Golf Wagon MY 2014; Golf MY 2014 (USA and Canada); Golf Sportsvan MY 2015

Vehicle	Required adapters for refrigerant pipes to A/C compressor	Required adapters for refrigerant pipes to receiver/dryer	Miscellaneous
Golf from MY 2013; Golf Wagon from MY 2014; Golf from MY 2014 (USA and Canada); Golf Sportsvan from MY 2015	Low pressure side Refrigerant Circuits Adapter Set 1 - Adapter 12 -VAS6338/12- High pressure side Refrigerant Circuits Adapter Set 1 - Adapter 3 -VAS6338/3-	Remove the dryer bag / cartridge and close the receiver/dryer. Install a new dryer bag / cartridge after flushing. If the condenser by Showa is installed, leave the receiver/dryer installed and flush the refrigerant circuit. Install a new receiver/dryer after flushing.	Replace the expansion valve with the Refrigerant Circuits Adapter Set 1 - Adapter 38 -VAS6338/38- (or a drilled open expansion valve) Install a new expansion valve after flushing.

Golf MY 1998; Golf Wagon MY 1998; Vento MY 1999; New Beetle MY 1999; New Beetle Cabrio MY 2003; Bora MY 1999;

Golf from MY 1998; Golf Wagon from MY 1998; Vento from MY 1999; New Beetle from MY 1999; New Beetle Convertible from MY 2003; Bora from MY 1999

Low pressure side Refrigerant Circuits Adapter Set 1 - Adapter 7 -VAS6338/7-
High pressure side Refrigerant Circuits Adapter Set 1 - Adapter 2 -VAS6338/2-

Remove receiver/dryer and bridge coolant pipes.
Connect with two Refrigerant Circuits Adapter Set 1 - Adapter 2 -VAS6338/2- and with Refrigerant Circuits Adapter Set 1 - Hose 31 -VAS6338/31-.
Install a new receiver/dryer after flushing.

Replace the expansion valve with the Refrigerant Circuits Adapter Set 1 - Adapter 19 -VAS6338/19- (or a drilled open expansion valve)
Install a new expansion valve after flushing.

Phaeton MY 2003

Vehicle	Required adapters for refrigerant pipes to A/C compressor	Required adapters for refrigerant pipes to receiver/dryer/reservoir	Miscellaneous
Phaeton from MY 2003	Low pressure side Refrigerant Circuits Adapter Set 1 - Adapter 12 -VAS6338/12- High pressure side for 12-, 8- and 6-cylinder gasoline engines, Refrigerant Circuits Adapter Set 1 - Adapter 2 -VAS6338/2-; high pressure side for 10-and 6-cylinder diesel engines, Refrigerant Circuits Adapter Set 1 - Adapter 3 -VAS6338/3-	Remove the reservoir (dryer) and bridge coolant pipes. Connect with two Refrigerant Circuits Adapter Set 1 - Adapter 6 -VAS6338/6- and with Refrigerant Circuits Adapter Set 1 - Hose 31 -VAS6338/31-. Install a new reservoir after flushing.	Restrictor removed and refrigerant pipe reconnected. Install a new restrictor after flushing.

Passat MY 1997

Vehicle	Required adapters for refrigerant pipes to A/C compressor	Required adapters for refrigerant pipes to receiver/dryer/reservoir	Miscellaneous
Passat from MY 1997 through 09/2000	A/C Adapter Set - Adapter 7 -VAG1785/7- A/C Adapter Set - Adapter 8 -VAG1785/8- Low pressure side Refrigerant Circuits Adapter Set 1 - Adapter 12 -VAS6338/12- High pressure side Refrigerant Circuits Adapter Set 1 - Adapter 2 -VAS6338/2-	There are two different container versions. Remove reservoir and bridge coolant pipes. Connect Refrigerant Circuits Adapter Set 1 - Adapter 9 -VAS6338/9- and Refrigerant Circuits Adapter Set 1 - Adapter 8 -VAG 1785/8- or Refrigerant Circuits Adapter Set 1 - Adapter 10 -VAS6338/10- with Refrigerant Circuits Adapter Set 1 - Hose 31 -VAS6338/31-. Install a new reservoir after flushing.	Restrictor removed and refrigerant line reconnected. Install a new restrictor after flushing.
Passat from MY 1997, from 10/2000	A/C Adapter Set - Adapter 7 -VAG1785/7- A/C Adapter Set - Adapter 8 -VAG1785/8- Low pressure side Refrigerant Circuits Adapter Set 1 - Adapter 12 -VAS6338/12- High pressure side Refrigerant Circuits Adapter Set 1 - Adapter 2 -VAS6338/2-	Remove reservoir and bridge coolant pipes. Connect with two Refrigerant Circuits Adapter Set 1 - Adapter 10 -VAS6338/10- and with Refrigerant Circuits Adapter Set 1 - Hose 31 -VAS6338/31-. Install a new reservoir after flushing.	Restrictor removed and refrigerant line reconnected. Install a new restrictor after flushing.

Passat MY 2006; Passat CC MY 2009; CC MY 2010; Passat MY 2011; CC FL

Vehicle	Required adapters for refrigerant pipes to A/C compressor	Required adapters for refrigerant pipes to receiver/dryer/reservoir	Miscellaneous
Passat from MY 2006; Passat CC from MY 2009; CC from MY 2010; Passat from MY 2011; CC FL	Low pressure side Refrigerant Circuits Adapter Set 1 - Adapter 12 -VAS6338/12- High pressure side Refrigerant Circuits Adapter Set 1 - Adapter 3 -VAS6338/3-	Remove dryer cartridge and seal receiver/dryer. Install a new dryer cartridge after flushing. If the condenser by Showa is installed, leave the receiver/dryer installed and flush the refrigerant circuit. Install a new receiver/dryer after flushing.	Replace the expansion valve with the Refrigerant Circuits Adapter Set 1 - Adapter 18 -VAS6338/18- (or a drilled open expansion valve ) Install a new expansion valve after flushing.

Passat MY 2015; Passat Wagon MY 2015

Note

The Passat 2015 and Passat Wagon 2015 with a Biturbo engine are not flushed. The amount of work to remove the expansion valve is too excessive. If there is A/C compressor damage, check whether there are shavings in the condenser and whether there are shavings on the condenser output. If there are shavings on the input and not on the output, then only the condenser and A/C Compressor need to be replaced.

Vehicle	Required adapters for refrigerant pipes to A/C compressor	Required adapters for refrigerant pipes to receiver/dryer	Miscellaneous
Passat from MY 2015; Passat Wagon from MY 2015	Low pressure side Refrigerant Circuits Adapter Set 1 - Adapter 12 -VAS6338/12- High pressure side Refrigerant Circuits Adapter Set 1 - Adapter 3 -VAS6338/3-	Remove the dryer bag / cartridge and close the receiver/dryer. Install a new dryer bag / cartridge after flushing.	Replace the expansion valve with the Refrigerant Circuits Adapter Set 1 - Adapter 18 -VAS6338/18- (or a drilled open expansion valve) Install a new expansion valve after flushing.

Sharan MY 1996

Note

On vehicles with second evaporator (Sharan), the front and rear refrigerant circuits must be flushed individually. Seal the front refrigerant circuit using A/C Adapter Set - Adapter 1 -VAG1785/1-, A/C Adapter Set - Adapter 3 -1785/3- and Closure Caps VAS6338/30.

Vehicle	Required adapters for refrigerant pipes to A/C compressor	Required adapters for refrigerant pipes to receiver/dryer and second Evaporator	Miscellaneous
Sharan from MY 1996 through 05/2000	Low pressure side Refrigerant Circuits Adapter Set 1 - Adapter 7 -VAS6338/7- High pressure side Refrigerant Circuits Adapter Set 1 - Adapter 2 -VAS6338/2- or Refrigerant Circuits Adapter Set 1 - Adapter 14 -VAS6338/14-	Remove the receiver/dryer and connect the refrigerant pipes to the Refrigerant Circuits Adapter Set 1 - Adapter 37 -VAS6338/37- Install a new receiver/dryer (dryer) after flushing. Low pressure line for second evaporator Refrigerant Circuits Adapter Set 1 - Adapter 7 -VAG1785/7- High pressure line for second evaporator Refrigerant Circuits Adapter Set 1 - Adapter 5 -VAG1785/5- A/C Adapter Set - Adapter 3 -VAG1785/3- with Closure Cap -VAS6338/30- to seal the front refrigerant circuit. A/C Adapter Set - Adapter 1 -VAG1785/1- with Closure Cap -VAS6338/30- to seal the front refrigerant circuit.	Replace the front and rear expansion valve with the Refrigerant Circuits Adapter Set 2 - Adapter 35 -VAS6338/35- (or a drilled open expansion valve ) Install a new expansion valve after flushing.
Sharan from MY 1996 from June 2000	Low pressure side Refrigerant Circuits Adapter Set 1 - Adapter 7 -VAS6338/7- High pressure side Refrigerant Circuits Adapter Set 1 - Adapter 2 -VAS6338/2-	Remove dryer cartridge and seal receiver/dryer. Install a new dryer cartridge after flushing. Low pressure line for second evaporator Refrigerant Circuits Adapter Set 1 - Adapter 7 -VAG1785/7- High pressure line for second evaporator Refrigerant Circuits Adapter Set 1 - Adapter 5 -VAG1785/5- A/C Adapter Set - Adapter 3 -VAG1785/3- with Closure Cap -VAS6338/30- to seal the front refrigerant circuit. A/C Adapter Set - Adapter 1 -VAG1785/1- with Closure Cap -VAS6338/30- to seal the front refrigerant circuit.	Replace the front and rear expansion valve with the Refrigerant Circuits Adapter Set 2 - Adapter 35 -VAS6338/35- (or a drilled open expansion valve) Install a new expansion valve after flushing.

Sharan MY 2011 and Sharan MY 2016

Note

Vehicle	Required adapters for refrigerant pipes to A/C compressor	Required adapters for refrigerant pipes to receiver/dryer and second Evaporator	Miscellaneous
Sharan from MY 2011 and Sharan from MY 2016	Low pressure side Refrigerant Circuits Adapter Set 1 - Adapter 12 -VAS6338/12- High pressure side Refrigerant Circuits Adapter Set 1 - Adapter 3 -VAS6338/3-	Remove dryer cartridge and seal receiver/dryer. Install a new dryer cartridge after flushing. Low pressure line for second Evaporator Refrigerant Circuits Adapter Set 1 - Adapter 3 -VAS6338/3- High pressure line for second Evaporator Refrigerant Circuits Adapter Set 1 - Adapter 4 -VAS6338/4- Loosen the refrigerant lines to the second evaporator just enough so that the adapter can be installed without deforming the refrigerant lines. Refrigerant Circuits Adapter Set 1 - Adapter 5 -VAS6338/5- for the front refrigerant circuit. Refrigerant Circuits Adapter Set 1 - Adapter 11 -VAS6338/11- for the front refrigerant circuit.	Replace the front expansion valve with the Refrigerant Circuits Adapter Set 1 - Adapter 18 -VAS6338/18- (or a drilled open expansion valve Replace the rear expansion valve with the Refrigerant Circuits Adapter Set 2 - Adapter 33 -VAS6338/33- (or a drilled open expansion valve Install a new expansion valve after flushing.

Touareg MY 2003; Touareg MY 2010; Touareg MY 2015; Touareg MY Hybrid 2010

Note

On vehicles with second evaporator (Touareg), the front and rear refrigerant circuits must be flushed individually. Seal the front refrigerant circuit using Refrigerant Circuits Adapter Set 1 - Adapter 5 -VAS6338/5- and Refrigerant Circuits Adapter Set 1 - Adapter 11 -VAS6338/11-.

Vehicle	Required adapters for refrigerant pipes to A/C compressor	Required adapters for refrigerant pipes to receiver/dryer and second Evaporator	Miscellaneous
Touareg from MY 2003 through VIN 50000	Low pressure side Refrigerant Circuits Adapter Set 1 - Adapter 12 -VAS6338/12- High pressure side Refrigerant Circuits Adapter Set 1 - Adapter 2 -VAS6338/2- Engine code BJN 6.0L through VIN 20000 to high pressure side Refrigerant Circuits Adapter Set 1 - Adapter 3 -VAS6338/3-.	Remove dryer cartridge and seal receiver/dryer. Install a new dryer cartridge after flushing. Low pressure line for second Evaporator Refrigerant Circuits Adapter Set 1 - Adapter 3 -VAS6338/3- High pressure line for second Evaporator Refrigerant Circuits Adapter Set 1 - Adapter 4 -VAS6338/4- Refrigerant Circuits Adapter Set 1 - Adapter 5 -VAS6338/5- for the front refrigerant circuit. Refrigerant Circuits Adapter Set 1 - Adapter 11 -VAS6338/11- for the front refrigerant circuit.	Replace the front expansion valve with the Refrigerant Circuits Adapter Set 1 - Adapter 17 -VAS6338/17- (or a drilled open expansion valve) Install a new expansion valve after flushing. Drill a hole for the expansion valve on the second evaporator. Install a new expansion valve after flushing.
Touareg from MY 2003 from VIN 50001; Touareg from MY 2010; Touareg MY 2015; Touareg Hybrid from MY 2010	Low pressure side Refrigerant Circuits Adapter Set 1 - Adapter 12 -VAS6338/12- High pressure side Refrigerant Circuits Adapter Set 1 - Adapter 2 -VAS6338/2- or Refrigerant Circuits Adapter Set 1 - Adapter 3 -VAS6338/3- Electrically-driven A/C compressor Refrigerant Circuits Adapter Set - Adapter 40 -VAS6338/40- and Refrigerant Circuits Adapter Set - Adapter 41 -VAS6338/41-	Remove dryer cartridge and seal receiver/dryer. Install a new dryer cartridge after flushing. Low pressure line for second Evaporator Refrigerant Circuits Adapter Set 1 - Adapter 3 -VAS6338/3- High pressure line for second Evaporator Refrigerant Circuits Adapter Set 1 - Adapter 4 -VAS6338/4- Refrigerant Circuits Adapter Set 1 - Adapter 5 -VAS6338/5- for the front refrigerant circuit. Refrigerant Circuits Adapter Set 1 - Adapter 11 -VAS6338/11- for the front refrigerant circuit.	Replace the front and rear expansion valve with the Refrigerant Circuits Adapter Set 1 - Adapter 17 -VAS6338/17- or Refrigerant Circuits Adapter Set 2 - Adapter 33 -VAS6338/33- (or a drilled open expansion valve) Install new expansion valves after flushing.

Transporter MY 1991

Note

On vehicles with second evaporator, the front and rear refrigerant circuits must be flushed individually. Seal the front refrigerant circuit using Refrigerant Circuits Adapter Set 1 - Adapter 5 -VAS6338/5- and Refrigerant Circuits Adapter Set 1 - Adapter 11 -VAS6338/11-.

Vehicle

Required adapters for refrigerant pipes to A/C compressor

Required adapters for refrigerant pipes to receiver/dryer and second Evaporator

Miscellaneous

Transporter from MY 1991 through 2012 1995

A/C compressor D0 820 805 B and 701 820 805 Q Refrigerant Circuits Adapter Set 2 - Adapter 54 -VAS6338/54-
On vehicles with auxiliary evaporator on the roof, the Refrigerant Circuits Adapter Set 2 - Adapter 51 -VAS6338/51- and Refrigerant Circuits Adapter Set 2 - Adapter 52 -VAS6338/52- should be used.

For vehicles on which the receiver/dryer is mounted below the condenser, it may be flushed.
On the other versions, the receiver/dryer should be removed.
Refrigerant Circuits Adapter Set 1 - Adapter 20 -VAS6338/20- for receiver/dryer.
Refrigerant Circuits Adapter Set 1 - Adapter 29 -VAS6338/29- for receiver/dryer.
Refrigerant Circuits Adapter Set 1 - Adapter 26 -VAS6338/26- and with Closure Cap -VAS6338/30- to seal the front refrigerant circuit
Refrigerant Circuits Adapter Set 1 - Adapter 27 -VAS6338/27- and with Closure Cap -VAS6338/30- to seal the front refrigerant circuit
Refrigerant Circuits Adapter Set 2 - Adapter 57 -VAS6338/57- for refrigerant line of second evaporator
Refrigerant Circuits Adapter Set 2 - Adapter 58 -VAS6338/58- for refrigerant line of second evaporator
Install a new receiver/dryer after flushing.

Replace the front and rear expansion valve with the Refrigerant Circuits Adapter Set 2 - Adapter 55 -VAS6338/55- (or a drilled open expansion valve)
Install a new expansion valve after flushing.

Transporter from MY 91 as of 01 1996

A/C compressor 7D0 820 805 E Refrigerant Circuits Adapter Set 2 - Adapter 53 -VAS6338/53-
A/C compressor 7D0 820 805 H low pressure side Refrigerant Circuits Adapter Set 1 - Adapter 7 -VAS6338/7-
High pressure side Refrigerant Circuits Adapter Set 1 - Adapter 2 -VAS6338/2-
On vehicles with auxiliary evaporator on the roof, the Refrigerant Circuits Adapter Set 2 - Adapter 51 -VAS6338/51- and Refrigerant Circuits Adapter Set 2 - Adapter 52 -VAS6338/52- should be used.

For vehicles on which the receiver/dryer is mounted below the condenser, it may be flushed.
On the other versions, the receiver/dryer should be removed.
Refrigerant Circuits Adapter Set 1 - Adapter 20 -VAS6338/20- for receiver/dryer.
Refrigerant Circuits Adapter Set 1 - Adapter 29 -VAS6338/29- for receiver/dryer.
Refrigerant Circuits Adapter Set 1 - Adapter 26 -VAS6338/26- and with Closure Cap -VAS6338/30- to seal the front refrigerant circuit.
Refrigerant Circuits Adapter Set 1 - Adapter 27 -VAS6338/27- and with Closure Cap -VAS6338/30- to seal the front refrigerant circuit.
Refrigerant Circuits Adapter Set 2 - Adapter 57 -VAS6338/57- for refrigerant line of second evaporator.
Refrigerant Circuits Adapter Set 2 - Adapter 58 -VAS6338/58- for refrigerant line of second evaporator.
Install a new receiver/dryer after flushing.

Replace the front and rear expansion valve with the Refrigerant Circuits Adapter Set 2 - Adapter 55 -VAS6338/55- (or a drilled open expansion valve)

Install a new expansion valve after flushing.

Transporter MY 2004

Note

Vehicle	Required adapters for refrigerant pipes to A/C compressor	Required adapters for refrigerant pipes to receiver/dryer and second Evaporator	Miscellaneous
Transporter 7H from MY 2004	A/C compressor 7H0 820 805 E low pressure side Refrigerant Circuits Adapter Set 1 - Adapter 12 -VAS6338/12-, high pressure side Refrigerant Circuits Adapter Set 1 - Adapter 3 -VAS6338/3- A/C compressor 7H0 820 803 C low pressure side Refrigerant Circuits Adapter Set 1 - Adapter 7 -VAS6338/7-, high pressure side Refrigerant Circuits Adapter Set 1 - Adapter 2 -VAS6338/2-	Remove dryer cartridge and seal receiver/dryer. Install a new dryer cartridge after flushing. Refrigerant Circuits Adapter Set 1 - Adapter 5 -VAS6338/5- for the front refrigerant circuit. Refrigerant Circuits Adapter Set 1 - Adapter 11 -VAS6338/11- for the front refrigerant circuit. Low pressure line for second Evaporator Refrigerant Circuits Adapter Set 1 - Adapter 3 -VAS6338/3- High pressure line for second Evaporator Refrigerant Circuits Adapter Set 1 - Adapter 4 -VAS6338/4-	Through VIN 20000, drill out the expansion valve. From VIN 20001, replace the front expansion valve with Refrigerant Circuits Adapter Set 2 - Adapter 56 -VAS6338/56- Install a new expansion valve after flushing. Drill a hole for the expansion valve Replace the evaporator with Refrigerant Circuits Adapter Set 2 - Adapter 33 -VAS6338/33-. Install a new expansion valve after flushing.
Transporter 7J from MY 2004	A/C compressor 7H0 820 805 E low pressure side Refrigerant Circuits Adapter Set 1 - Adapter 12 -VAS6338/12-, high pressure side Refrigerant Circuits Adapter Set 1 - Adapter 3 -VAS6338/3- A/C compressor 7H0 820 803 C low pressure side Refrigerant Circuits Adapter Set 1 - Adapter 7 -VAS6338/7-, high pressure side Refrigerant Circuits Adapter Set 1 - Adapter 2 -VAS6338/2- A/C compressor 7H0 820 805 D low pressure side Refrigerant Circuits Adapter Set 2 - Adapter 52 -VAS6338/12-, high pressure side Refrigerant Circuits Adapter Set 2 - Adapter 51 -VAS6338/51-	Remove dryer cartridge and seal receiver/dryer. Install a new dryer cartridge after flushing. Refrigerant Circuits Adapter Set 1 - Adapter 5 -VAS6338/5- for the front refrigerant circuit. Refrigerant Circuits Adapter Set 1 - Adapter 11 -VAS6338/11- for the front refrigerant circuit. Low pressure line for second Evaporator Refrigerant Circuits Adapter Set 1 - Adapter 3 -VAS6338/3- High pressure line for second Evaporator Refrigerant Circuits Adapter Set 1 - Adapter 4 -VAS6338/4-	Through VIN 5000, drill out the expansion valve. From VIN 5001, replace the front expansion valve with Refrigerant Circuits Adapter Set 2 - Adapter 56 -VAS6338/56-. Install a new expansion valve after flushing. Drill a hole for the expansion valve Replace the evaporator with Refrigerant Circuits Adapter Set 2 - Adapter 56 -VAS6338/56-. Install a new expansion valve after flushing.

Transporter MY 2010; Multivan MY 2010; California MY 2010; Caravelle MY 2010

Note

Vehicle	Required adapters for refrigerant pipes to A/C compressor	Required adapters for refrigerant pipes to receiver/dryer and second Evaporator	Miscellaneous
Transporter from MY 2010; Multivan from MY 2010; California from MY 2010; Caravelle from MY 2010	Low pressure side Refrigerant Circuits Adapter Set 1 - Adapter 12 -VAS6338/12- High pressure side Refrigerant Circuits Adapter Set 1 - Adapter 3 -VAS6338/3-	Remove dryer cartridge and seal receiver/dryer. Install a new dryer cartridge after flushing. Refrigerant Circuits Adapter Set 1 - Adapter 5 -VAS6338/5- for the front refrigerant circuit. Refrigerant Circuits Adapter Set 1 - Adapter 11 -VAS6338/11- for the front refrigerant circuit. Low pressure line for second Evaporator Refrigerant Circuits Adapter Set 1 - Adapter 3 -VAS6338/3- High pressure line for second Evaporator Refrigerant Circuits Adapter Set 1 - Adapter 4 -VAS6338/4-	Replace the expansion valve with the Refrigerant Circuits Adapter Set 2 - Adapter 56 -VAS6338/56- (or a drilled open expansion valve ) Remove the expansion valve for the rear evaporator and drill open . Install a new expansion valve after flushing.

Crafter 2006; LT 2 from MY 1997

Note

Vehicle	Required adapters for refrigerant pipes to A/C compressor	Required adapters for refrigerant pipes to receiver/dryer and second Evaporator	Miscellaneous
Crafter from MY 2006	A/C compressor 2E0 820 803 A low pressure side Refrigerant Circuits Adapter Set 1 - Adapter 12 -VAS6338/12-, high pressure side Refrigerant Circuits Adapter Set 1 - Adapter 3 -VAS6338/3- A/C compressor 2E0 820 805 low pressure side Refrigerant Circuits Adapter Set 1 - Adapter 7 -VAS6338/7-, high pressure side Refrigerant Circuits Adapter Set 1 - Adapter 3 -VAS6338/3-	Receiver/Dryer May be flushed. Install a new receiver/dryer after flushing. Refrigerant Circuits Adapter Set 1 - Adapter 5 -VAS6338/5- for the front refrigerant circuit. Refrigerant Circuits Adapter Set 1 - Adapter 11 -VAS6338/11- for the front refrigerant circuit. Low pressure line for second Evaporator Refrigerant Circuits Adapter Set 1 - Adapter 3 -VAS6338/3- High pressure line for second Evaporator Refrigerant Circuits Adapter Set 1 - Adapter 4 -VAS6338/4-	Drill a hole for the expansion valve Install a new expansion valve after flushing.
LT 2 from MY 1997	Low pressure side Refrigerant Circuits Adapter Set 1 - Adapter 7 -VAS6338/7- High pressure side Refrigerant Circuits Adapter Set 1 - Adapter 2 -VAS6338/2- Refrigerant Circuits Adapter Set 1 - Adapter 20 -VAS6338/20-	Remove receiver/dryer and bridge coolant pipes. Connect with two Refrigerant Circuits Adapter Set 1 - Adapter 29 -VAS6338/10- and with Refrigerant Circuits Adapter Set 1 - Hose 31 -VAS6338/31-. Install a new receiver/dryer after flushing.	Replace the expansion valve with the Refrigerant Circuits Adapter Set 2 - Adapter 56 -VAS6338/56- (or a drilled open expansion valve) Install a new expansion valve after flushing.

Amarok MY 2011

Vehicle	Required adapters for refrigerant pipes to A/C compressor	Required adapters for refrigerant pipes to receiver/dryer	Miscellaneous
Amarok from MY 2011	Low pressure side Refrigerant Circuits Adapter Set 1 - Adapter 12 -VAS6338/12- High pressure side Refrigerant Circuits Adapter Set 1 - Adapter 3 -VAS6338/3-	Remove dryer cartridge and seal receiver/dryer. Install a new dryer cartridge after flushing.	Replace the expansion valve with the Refrigerant Circuits Adapter Set 2 - Adapter 33 -VAS6338/33- (or a drilled open expansion valve)

Golf blue e-Motion MY 2009

Vehicle	Required adapters for refrigerant pipes to A/C compressor and on A/C compressor	Required adapters for refrigerant pipes to receiver/dryer	Miscellaneous
Golf blue e-Motion from MY 2009	Low pressure side Refrigerant Circuits Adapter Set 1 - Adapter 12 -VAS6338/12- High pressure side Refrigerant Circuits Adapter Set 1 - Adapter 3 -VAS6338/3- Flush electrically-driven A/C compressor using Refrigerant Circuits Adapter Set - Adapter 40 -VAS6338/40- and Refrigerant Circuits Adapter Set - Adapter 41 -VAS6338/41-.	Remove dryer cartridge and seal receiver/dryer. Install a new dryer cartridge after flushing. Refrigerant Circuits Adapter Set - Shut-Off Valve -VAS6338/42-	Replace the expansion valve with the Refrigerant Circuits Adapter Set 1 - Adapter 34 -VAS6338/34- (or a drilled open expansion valve) Install a new expansion valve after flushing. Remove the High Voltage Battery Heater Core Refrigerant Cut-Off Valve -N542- and install the Refrigerant Circuits Adapter Set - Shut-Off Valve -VAS6338/42-. Remove the Heater and A/C Unit Refrigerant Cut-Off Valve -N541- and install the Refrigerant Circuits Adapter Set - Shut-Off Valve -VAS6338/42-. If the Refrigerant Circuits Adapter Set - Shut-Off Valve -VAS6338/42- is not available, a voltage of 12 V can be applied to the Cut-Off Valves -N541- und -N542-.

eGolf MY 2014 and eGolf MY 2014 with Heat Pump

Vehicle	Required adapters for refrigerant pipes to A/C compressor and on A/C compressor	Required adapters for refrigerant pipes to receiver/dryer	Miscellaneous
e-Golf from MY 2014	Low pressure side Refrigerant Circuits Adapter Set 1 - Adapter 12 -VAS6338/12- High pressure side Refrigerant Circuits Adapter Set 1 - Adapter 3 -VAS6338/3- Flush electrically-driven A/C compressor using Refrigerant Circuits Adapter Set - Adapter 40 -VAS6338/40- and Refrigerant Circuits Adapter Set - Adapter 41 -VAS6338/41-.	Remove dryer cartridge and seal receiver/dryer. Install a new dryer cartridge after flushing.	Replace the expansion valve with the Refrigerant Circuits Adapter Set 1 - Adapter 34 -VAS6338/34- (or a drilled open expansion valve) Install a new expansion valve after flushing.
eGolf from MY 2014 with Heat Pump	Low pressure side Refrigerant Circuits Adapter Set 1 - Adapter 12 -VAS6338/12- High pressure side Refrigerant Circuits Adapter Set 1 - Adapter 3 -VAS6338/3- Flush electrically-driven A/C compressor using Refrigerant Circuits Adapter Set - Adapter 40 -VAS6338/40- and Refrigerant Circuits Adapter Set - Adapter 41 -VAS6338/41-.	Remove the reservoir (dryer) and bridge coolant pipes. Connect with two Refrigerant Circuits Adapter Set 1 - Adapter 6 -VAS6338/6- and with Refrigerant Circuits Adapter Set 1 - Hose 31 -VAS6338/31-. Install a new reservoir after flushing.	Using the Vehicle Diagnostic Tester, then start the "Refrigerant circuit, charging" function in the "Basic setting". Doing so opens the electric valves on the refrigerant circuit. Keep the Vehicle Diagnostic Tester connected so that the valves stay open.

Golf Hybrid MY 2014

Vehicle	Required adapters for refrigerant pipes to A/C compressor and on A/C compressor	Required adapters for refrigerant pipes to receiver/dryer	Miscellaneous
Golf Hybrid from MY 2014	Low pressure side Refrigerant Circuits Adapter Set 1 - Adapter 12 -VAS6338/12- High pressure side Refrigerant Circuits Adapter Set 1 - Adapter 3 -VAS6338/3- Flush electrically-driven A/C compressor using Refrigerant Circuits Adapter Set - Adapter 40 -VAS6338/40- and Refrigerant Circuits Adapter Set - Adapter 41 -VAS6338/41-.	There are two versions of the receiver/dryer: Refer to the vehicle specific repair manual. Receiver/dryer with an installed dryer. May be flushed. Install a new receiver/dryer after flushing. receiver/dryer with dryer bag / cartridge Remove the dryer bag / cartridge and close the receiver/dryer. Install a new dryer bag / cartridge after flushing.	Replace the expansion valve with the Refrigerant Circuits Adapter Set 1 - Adapter 38 -VAS 6338/38- (or a drilled open expansion valve) Replace the Heater and A/C Unit Refrigerant Shut-Off Valve -N541- and High-Voltage Battery Heater Core Refrigerant Shut-Off Valve -N542- with two Shut-Off Valves -VAS 6338/42-. Refer to the information found here. The restrictor in the refrigerant line to the High-Voltage Battery Heat Exchanger is removed and drilled out. Refer to the notes below

Note

The refrigerant circuit is flushed in 2 phases for the Golf Hybrid 2014. In the first flushing cycle the adapter for the heater and a/c unit refrigerant cut-off valve - N541 is opened and the adapter for the high voltage battery heater core refrigerant cut-off valve - N542 is closed. From this, the refrigerant circuit with the evaporator in the Heater and A/C Unit is flushed. In the second flushing cycle the adapter for the heater and a/c unit refrigerant cut-off valve - N541 is closed and the adapter for the high voltage battery heater core refrigerant cut-off valve - N542 is open. From this, the refrigerant circuit with the evaporator in the high voltage battery heat exchanger is flushed. Refer to Heating, Ventilation and Air Conditioning, Repair group 87, System Overview - Refrigerant Circuit (vehicle-specific repair manual).

Note

This illustration shows a refrigerant line -A- with a permanently installed restrictor -B- (without a strainer) This refrigerant line is to be drilled open to 5.0 mm using a suitable drill to flush the refrigerant circuit (an inserted restrictor is to be removed) and is to be cleaned in the flushing circuit before installing. The drilled refrigerant line is replaced after flushing. Refer to the Parts Catalog.
The diameter of the illustrated restrictor bore -B- is approximately 0.7 mm. Depending on the version of the refrigerant line this constriction is either installed fixed in the refrigerant line or only inserted. For the inserted version a strainer for flowing deposits may be installed, which can be blocked by the variable orifice.

Volswagen Tiguan. A87-11584

Electrically Driven A/C Compressor, Flushing

Vehicles with a high voltage system Observe all of the additional warnings for all work performed on vehicles with the high voltage system. WARNING Risk of unintended engine start The ignition must b ...

Concerns

Possible Refrigerant Circuit Concerns Test Requirements Note The A/C system is functioning correctly when the air flowing from the instrument panel vents has a temperature of 70C or lower. Sett ...

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