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
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Note
The pulley is sensitive to impact and should therefore be
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Radiator fan control unit -J293
Note
Available in various designs, sometimes separately.
This control unit switches the magnetic clutch and thus the
air conditioner compressor on and off. It controls the radiator
fan, an ...
Assembly overview - windscreen
1 -
Windscreen
Removing and installing
→ Chapter
2 -
PUR adhesive sealant
Cross section of bead: -width b- = 7 mm,
-height a- = 10 mm (including precoating,
residual material on window glass and window ...
Operating the cruise control system (CCS)
Fig. 161 On the left of the steering column:
switch and buttons for operating the CCS
Fig. 162 Left-hand side of the multifunction
steering wheel: buttons for operating the CCS
First read and observe the introductory information
and safety warnings
Function
...
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