Audi Q7: Heating, Ventilation & Air Conditioning

 A/C Compressor Regulator Valve -N280-, Removing and Installing

  Note Certain functions on the A/C Compressor Regulator Valve -N280- (for example, a stuck valve or a disruption in the coil) can lead to a complaint regarding the A/C compressor (A/C system doesn't cool, the evaporator ices over, etc.). If the cause is with the A/C Compressor Regulator

 Exhaust Camshaft Adjustment Valve 1 - N318-, Checking

General Description The camshaft's task is to operate the valves at the right time and in the right order to control the charge cycle. Camshaft adjustment using the Exhaust Camshaft Adjustment Valve 1 - N318- varies the opening times of the valves to suit all operating conditions. This ensures i