Compressor Replacement
WARNING: This page is about a different car, the 2011 Volkswagen Eos, 2010 Volkswagen Eos, 2009 Volkswagen Eos, 2008 Volkswagen Eos, and 2007 Volkswagen Eos. However, it is still accessible from the selected car via links, so may be relevant.
-- After installing a new A/C compressor or fresh refrigerant oil has been filled into compressor (for example, after blowing through the A/C system), turn ribbed belt pulley of A/C compressor 10 rotations by hand before starting the engine. This prevents damage to the A/C compressor.
-- For 5 cylinder and 10 cylinder diesel engines, rotate A/C compressor 10 rotations by hand at overload protection. Then install A/C compressor. This prevents damage to the A/C compressor.
-- Start the engine with the A/C turned off (A/C clutch -N25- and A/C compressor regulator valve -N280- are not actuated).
-- Following engine idling speed stabilization, switch on A/C compressor and run it for at least 10 minutes at idling speed with maximum cooling output.