Checking with Expansion Valve, Receiver/Dryer and A/C Compressor Regulator
Valve -N280-, Externally Regulated A/C Compressor
General InformationContact Housings, Repairing Wire Terminals
Note
For technical reasons, the contact housing for the wire
terminals can be supplied only with the contacts pushed in.
These contacts can be removed at every other contact housing ...
Stopping the engine
First read and observe the introductory information
and safety warnings 
The steps should only be carried out in the specified order.
1.
The vehicle must be completely stationary  .
2.
Press the brake pedal. Keep ...
Additional Information Sources
Technical Service Handbook outlining action to be taken to
rectify current problems.
For the repair manual for model-specific repair work. Refer
to
→ Heating, Ventilation and Air Conditioning; Rep. Gr.87.
...