A/C Compressor Input Shaft, Loosening And Tightening

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NOTE:

Extensive preparatory work must be performed to be able to loosen the A/C compressor input shaft. Refer to A/C COMPRESSOR, REMOVING AND INSTALLING (A/C Compressor, Removing and Installing, Vehicles with 8-Cylinder FSI Engine).

The input shaft can also be checked and tightened without opening the refrigerant circuit. Refer to A/C COMPRESSOR, REMOVING AND INSTALLING (A/C Compressor, Removing and Installing, Vehicles with 8-Cylinder FSI engine).

Input Shaft, Loosening

-- Remove any components that prevent access to the input shaft. Refer to A/C COMPRESSOR, REMOVING AND INSTALLING (A/C Compressor, Removing and Installing, Vehicles with 8-Cylinder FSI Engine).

-- Hold the A/C compressor input shaft -A- in place using a wrench and turn the drive unit -B- in direction of -arrow C-.

Fig 1: Using Open-Ended Wrench To Hold Compressor Drive Shaft In Position And Turning Compressor Drive Unit

Courtesy of AUDI OF AMERICA, LLC

NOTE:

Do not turn the input shaft -A-.

Input shaft -A- can be slid into drive wheel through the boot -E- after loosening threaded connection.

After installing the input shaft -A-, check the boot -E- installation position.

Input Shaft, Tightening

-- Hold the A/C compressor input shaft -A- in place using a wrench and turn the drive unit -B- in direction of -arrow D- (tightening specification: 60 Nm).

-- After tightening the A/C compressor input shaft, check the position of the grommet -E-