RS 4 Quattro Sedan V8-4.2L (BNS) (2007)
Compressor Clutch: Procedures
Compressor Drive Shaft, Loosening And Tightening
NOTE:
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Extensive preparation is required before compressor drive shaft can be removed
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Drive shaft can also be checked and tightened without opening refrigerant circuit.
Drive shaft, loosening
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Remove components preventing access to drive shaft.
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Use open-ended wrench to hold compressor drive shaft - A - in position and turn compressor drive unit - B - in direction of arrow - C -.
NOTE:
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Drive shaft - A - must not be turned.
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After loosening threaded connection, drive shaft - A - can be pushed through socket - E - into drive pinion.
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After installing drive shaft - A -, check installation position of boot - E -.
Drive shaft, tightening
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Use open-ended wrench to hold compressor drive shaft - A - in position and turn compressor drive unit - B - in direction of arrow - D - (tightening
torque 60 Nm).
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After tightening compressor drive shaft, check installation position of socket - E -.