System Overview - Refrigerant Circuit without Rear Heater and A/C Unit
Note
Depending on vehicle equipment, there are different versions
of the A/C system for the Audi Q7. Make sure to use th
Overview - A/C Compressor and Condenser
Caution
Danger due to refrigerant coming out under pressure.
Danger of frost bite to skin and other parts of the body.
Only loosen the connection point
A/C Compressor Regulator Valve -N280-, Checking Switch-On Signal
Note
The test for an A/C compressor manufactured by "Denso" of
type "6 SEU 14" is described in the following. The test is to
Note
The removed evaporator contains refrigerant oil that must be
returned to the refrigerant circuit (with the new evaporator).
Refer to
→ Refrigerant R134a Servicing; Rep. Gr.87; Refrigerant Circuit
Components, Replacing.
Removing
- Remove the rear heater and A/C
Fig. 165 Engine compartment: engine oil filling opening cover (example)
Observe the safety precautions > General
information.
Turn the engine off
Open the hood
Unscrew the cap for the
engine oil filler opening > fig. 165.
Carefully add 0.5 quart (0.5 liter) of the correct
oil
Clo