| 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. |
|
|
|
Questions & answers
Checking high-pressure safety valve on air conditioner compressor — Volkswagen Golf Mk7
How do I check the Golf Mk7 AC high-pressure safety valve?
It protects against excessive circuit pressure. If the valve has triggered (pressure disc burst), replace the compressor — the valve cannot be reset.
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 ...
Removing and installing air conditioner compressor fuse -S355-
Removing and installing Denso belt pulley