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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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:
Fig. 92 3-zone deluxe automatic climate control system: controls
Press the knobs, buttons or rocker switches to
turn the functions on or off. When the function is
switched on, the LED in the respective button or
knob turns on. Some rocker switches can be assigned
with multiple functions. The variou
Seat Heating Element, Removing and Installing, Seat Cushion
Procedure
- Separate the cover and cushion. Refer to
→ Chapter "Seat Pan Cover and Cushion, Separating".
- Clip the wires directly at the heating elements.
Note
The old heating elements remain on the cushion and wi