Volkswagen Golf Quiz
Heating, air conditioning

Checking high-pressure safety valve on air conditioner compressor

In this manual: Heating, air conditioning
General body repairs, exterior — 230General body repairs, interior — 279General information, paint — 133Vechile- specific paint information — 27Heating, air conditioning — 156Auxiliary heater — 58Air conditioning system with refrigerant R134a — 1297- speed dual clutch gearbox 0CW — 544- cylinder injection engine(1.4 1 direct inction. turbocharger) — 182Fuel supply system - Petrol engines — 59Running gear, axles, steering — 221Brake system — 92Wheels and Tyres guide — 12Guide for using trailers — 11Wheels and Tyres Guide - General Information — 121Brake system (hybrid) — 73Electrical system — 326Communication — 65Electrical system, general information — 111
~1min read

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

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A quick Volkswagen Golf quiz: every answer comes with an explanation and a link to the manual page.