VW Golf manuals

Volkswagen Golf Service & Repair Manual: Checking high-pressure safety valve on air conditioner compressor

Volkswagen Golf Service & Repair Manual / Heating, air conditioning / Air conditioner / Air conditioner compressor / Checking high-pressure safety valve on air conditioner compressor

Checking
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.
 

Checking high-pressure safety valve on air conditioner compressor

Removing and installing air conditioner compressor fuse -S355-
Special tools and workshop equipment required         Torque wrench -V.A.G 1783 ...

Removing and installing Denso belt pulley
  Note The pulley is sensitive to impact and should therefore be treated with extreme care. If the belt pulley overload prot ...

Other materials:

Removing and installing radiator, Golf, Golf SV, Golf Estate
  Note Radiator and water radiator for charge air cooling circuit are removed together. Removing –  Drain coolant → Chapter. –  Remove radiator cow ...

Introduction
This chapter contains information on the following subjects:  → Stowage  → Contents Observe any country-specific legislation when securing your vehicle in the event of a breakdown. Additional information and warnings: Preparation for working in the engine compartment ...

Tools and materials commercially available
      Fin comb   Charging hoses 5/8"-18 UNF valve   Note Use charging hoses in different colours, 1800 mm ...

© 2016-2022 Copyright www.vwgolf.org