S4 V8-4.2L (BHF) (2004)
Compressor Pulley: Service and Repair
Belt Pulley, Removing From Compressor and Reinstalling (Version "2")
Belt Pulley, Removing From Compressor And Reinstalling (version "2")
NOTE:
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Observe notes on removal of version "1" pulley, as these also apply to version "2".
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Perform preparatory work as described for removing version "1" pulley.
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Belt pulley is made of plastic, is sensitive to impact and should be treated with extreme care.
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If overload safeguard of drive plate - C- has been triggered, remove securing ring -A- and then pry drive plate off pulley - D -.
Belt pulley, removing from compressor and reinstalling (version "2")
Removing
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Use small screwdriver or pointed-nose pliers to carefully remove securing ring - A - (take particular care not to damage pulley).
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Hold compressor drive shaft - B - in position with socket wrench T10001/10 from wrench set and turn drive plate - C - with pulley - D - in
direction of arrow - E - (tightening torque 35 Nm).
NOTE: There are different types of compressor drive shaft. The drive shafts installed at the start of production cannot be supported using an
Alien key (use socket wrench T10001/10 for example). Use was later made of compressors with a hexagon end on the drive shaft.
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Remove securing ring - A -
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Remove pulley - B -.