Audi A4: Commercially Available Tools and Materials
Fin comb
Fill 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 Refrigerant Circuits Adapter Set 1 -VAS6338/1-.
Connection piece for refrigerant cylinder with seal, quick-release coupling connection or threaded connection 5/8" - 18 UNF
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 Refrigerant Circuits Adapter Set 1 -VAS6338/1-.
Pressure gauge set with pressure reducer for nitrogen (max. reducing pressure: 15 bar (218 psi) )
1 - Pressure gauge set
2 - Pressure hose (inner diameter 5 mm, length 2 m)
3 - Nitrogen
4 - Hose fitting
Note
For connection to A/C Adapter Set -VAG1785- with 5/8"-18 UNF thread
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 delivered with the service station.
Improvised Tools
Charging hose with connection for workshop compressed-air system
A - Charging hose 5/8" - 18 UNF** (version with large inner diameter)
B - Connection for workshop compressed-air system ** (always use filter)
Revision History
DRUCK NUMBER: A0053300221
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General, Technical data
Repair Information
General Repair Information
Using the Repair Manual
Refer to the "7-Speed DSG
Transmission 0CK" repair manual for all special procedures with
the transmission installed, depending
SEE MORE:
Emissions control
system
General information
WARNING
The temperature of the exhaust system is
high, both when driving and after stopping
the engine.
Never touch the exhaust tail pipes once they
have become hot. This could result in burns.
Do not park your vehicle over flammable
materials such as grass or leaves because
Checking Pressures for Vehicles with Restrictor and Reservoir (with
Internally Regulated Compressor)
General Information
Note
Connect the A/C service station. Refer to
→ Chapter "A/C Service Station, Connecting".
Observe the test requirements. Refer to
→ Chapter "Pressures, Checking".
- With the ignition switched off, check the pressure in the
refrigerant circuit (u
