Volkswagen Golf Service & Repair Manual: Test prerequisites

Volkswagen Golf Service & Repair Manual / Air conditioning system with refrigerant R134a / Checking pressures on vehicles / Checking systems with an expansion valve and reservoir (without regulated air conditioner compressor) / Test prerequisites

Radiator and condenser must be clean (clean them if necessary).

The V-belt for air conditioner compressor and alternator is correctly tensioned.

All air ducts, covers and seals are OK and properly installed.

The flaps reach their end positions.

The engine is at operating temperature.

The evaporator and heating do not draw any uncooled air at highest fresh air blower speed.

With the engine running and the air conditioning system set to full power, check the following points:

The fresh air blower is running

The radiator fan is running or is switched on.

The fresh air and air recirculation flap is set to “recirculate”.

The ambient temperature is more than 15^oC.

The temperature switch for evaporator -E33- is correctly fitted and its switching temperatures are correct.

Checking systems with an expansion valve and reservoir (without regulated air conditioner compressor)

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Checking

Switch off ignition. – Connect manifold gauge (air conditioner service station). – Read pressure gauge. ...

Other materials:

Assembly overview - poly V-belt drive, vehicles without air conditioner compressor
1 - Bolt Renew 150 Nm +180° Use counterhold -T10475- to loosen and tighten. Risk of damage to engine caused by incorrect valve timing.Do not turn crankshaft out of TDC position. 2 - ...

Evacuating refrigerant circuit using air conditioner service station
Always follow the procedure described in the user's manual for your air conditioner service station. The procedure described here is that for air conditioner service station -VAS 6007A-. Before the refrigerant circ ...

Repairing subframe
Special tools and workshop equipment required Assembly tool -T10205- Torque wrench -V.A.G 1332- Hydraulic press -VAS 6178- Foot pump -VAS 6179- Assembly tool -VAS 6779- ...