Commercially Available Tools and Materials

WARNING: This page does not describe the selected car, but rather 17 other vehicles, including the 2009 Audi S4, 2009 Audi A4, 2008 Audi S4, 2008 Audi RS 4, and 2008 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

Designation	Example
Fin comb	Refer to illustration
Charging hoses 5/8" - 18 UNF with valve opener	Refer to illustration
Connection piece for refrigerant cylinder and seal with quick-release coupling connection or threaded connection 5/8" - 18 UNF	Refer to illustration
Valve caps 5/8"-18 UNF	Refer to illustration
Pressure gauge set with pressure reducer for nitrogen	Refer to illustration
Quick-release coupling adapter for service connections, 2x included in scope of delivery of A/C service station	Refer to illustration
Open-ring wrench, size according to threaded joints at refrigerant pipes	Not illustrated
Valve opener for charging hoses	Not illustrated
Connecting nipple for conical seal 5/8"-18 UNF	Not illustrated
Compressed-air gun with rubber end piece	Not illustrated
Valve opener for Schrader valve	Not illustrated
Hand shut-off valve 5/8"-18 UNF	Not illustrated
Recycling container for refrigerant R134a	Not illustrated
Digital thermometer	Not illustrated
Protective gloves	Not illustrated
Safety goggles	Not illustrated
Refrigerant R134a with cylinder (capacity as required)	Not illustrated

Fig 1: Fin Comb

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Fin comb

Fig 2: Charging Hoses

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Charging hoses

5/8"-18 UNF thread

NOTE:

Use differently colored charging hoses (1800 mm long).
Have valve opener and spare seals to hand.
A charging hose in short version is also included in adapter case for VW/Audi passenger cars VAS 6338/1.

Fig 3: Connection Piece For Refrigerant Cylinder With Seal

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Connection piece for refrigerant cylinder with seal, quick-release coupling connection or threaded connection 5/8" - 18 UNF

Fig 4: Valve Caps With Spare Seal

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Valve caps with spare seals (for 5/8"-18 UNF thread)

Seals can also be used for charging hoses.

NOTE:

Valve caps with spare seals are also included in adapter case for VW/Audi passenger cars VAS 6338/1.

Fig 5: Pressure Gauge Set With Pressure Reducer For Nitrogen

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Pressure gauge set with pressure reducer for nitrogen (max. reducing pressure: 15 bar)

Pressure gauge set
Pressure hose (ID 5 mm, length 2 m)
Nitrogen
Hose fitting

NOTE:

For connection to adapter set V.A.G 1785 with 5/8"-18 UNF thread

Fig 6: Quick-release Coupling Adapter For Service Connections

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Quick-release coupling adapter for service connections

High-pressure side, nominal size 16 mm

Low-pressure side, nominal size 13 mm

2x release tool (Sharan)

NOTE:

This quick-release coupling is included in the scope of delivery of the A/C service station.