Air conditioner does not work, noises from engine compartment
Volkswagen Technical Product Information # 2023580/1
Repair Operation # 87 34 01 99
Release Date: 29-Jun-2010
Repair Operation # 87 34 01 99
Release Date: 29-Jun-2010
Problem
Air conditioning does not work.
Noises from the engine compartment.
Background
Pulley bolt works it’s way free from compressor shaft creating noise and eventually failure of the compressor.
Only Delphi Compressors are affected, optimised Delphi compressors fitted from August 2008.
The refrigerant circuit does not need to be flushed as the damage to the compressor is external.
Diagnosis
Check the connection between the pulley and the compressor shaft while they are fitted:
- The cooling performance check shows no pressure increase, although the refrigerant circuit is correctly filled and the control valve current is about 0.8A.
- The mounting bolt of the pulley has visibly wandered out of the compressor shaft (see photo above).
- The pulley turns without transmitting power, because the teeth of the pulley are worn.
Repair
Replace the compressor.
Models affected
137 -
1F7 – EOS
1K1 – Golf V
1K2 – Jetta III
357 – Passat CC
3C – Passat / Passat Wagon
5K1 – Golf VI
5M1 – Golf V Plus
5N1 – Tiguan
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hi i have a golf 5 gti 2006 my air con compressor was changed now there is no power to the compressor pls help urgently