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:

Safety precautions when working on the cooling system
Risk of scalding by hot coolant When the engine is warm, the cooling system is under pressure. Danger of scalding due to steam and hot coolant. – Always wear safety gloves. – Always wear safety goggles. – ...

Assembly overview - three-point seat belt, 4-door model, without belt tensioner
1 - Belt inertia reel Removing and installing → Chapter 2 - Bolt If removed due to an accident with seat belt fastened, renew bolt 40 Nm 3 - Bolt If removed due to an acci ...

General notes concerning repairs to vehicle electrical system
Caution When batteries are disconnected and reconnected, the procedure described in the workshop manual must be strictly observed. WARNING ...