Volkswagen Golf Service & Repair Manual: Checking high-pressure safety valve on air conditioner compressor
| Function: protects refrigerant circuit against excessive
pressures. |
| – |
Observe safety precautions
→ Chapter „Safety precautions when handling refrigerants“. |
| – |
Comply with notes
→ Chapter „Working on refrigerant circuit“. |
Risk of freezing injury caused by refrigerant. The high-pressure safety
valve releases refrigerant when the engine is running and the pressure
in the refrigerant circuit is too high.There is a risk of injury on
hands and other parts of the body due to freezing.Always wear safety
gloves.Always wear safety goggles.Switch off engine. |
|
|
| High-pressure safety valve on Denso air conditioner
compressor |
| The high-pressure safety valve -arrow-
has operated when refrigerant oil is found in the immediate
vicinity. |
| In this case, hand over vehicle to a suitable workshop
→ Chapter. |
 Note
| On air conditioner compressors from other manufacturers the
high-pressure safety valve is located at a similar position. |
|
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Special tools and workshop equipment
required
Torque wrench -V.A.G 1783
...
Note
The pulley is sensitive to impact and should therefore be
treated with extreme care.
If the belt pulley overload prot ...
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