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:

Removing and installing rear parking aid senders
Removing Outer rear senders: Note The outer rear parking aid senders can be removed and installed without the need to remove the rear bumper. –&nb ...

Removing and installing relay and fuse carrier behind dash panel, LHD vehicles
Removing – With ignition switched off, disconnect earth cable from battery → Chapter. – Remove dash panel → General body repairs, interior; Rep. gr.70. ...

Removing and installing rain and light sensor, vehicles with front camera for driver assist systems
Note The rain and light sensor has a silicon layer (coupling pad) which forms the contact surface to the windscreen. The rain and light sensor has been designed so that it can be used again. A prerequisite for re-use ...