RS 4 Quattro Sedan V8-4.2L (BNS) (2007)
Compressor Clutch: Removal and Replacement
Drive Plate to Compressor, Removing and Installing
Drive Plate To Compressor, Removing And Installing
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Remove drive plate with overload safeguard.
Removing
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Loosen drive plate - C - by turning it with a commercially available band wrench (with webbed band) in direction of arrow - D -. Provide support
for compressor shaft - A - by applying counterhold - B - (e.g. socket wrench T10001/10 from wrench set or special tool 3079) to compressor shaft
- A -.
NOTE: There are different types of compressor drive shaft. The drive shafts installed at the start of production cannot be supported using an
Allen key (use socket wrench T10001/10 for example). Use was later made of compressors with a hexagon end on the drive shaft.
Installing
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When installing, moisten rubber elements - B - slightly with soap solution for example to provide lubrication.
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Insert rubber elements - B - in drive plate - A - as shown.
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Insert drive plate - A - with rubber elements - B - in drive plate - C - as shown until it makes contact with compressor shaft.
NOTE: Fig. shows rubber elements - B - of type "1". Rubber elements - B - of type "2" are connected at top.
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Thread drive plate - C - onto compressor shaft - A - by turning it in direction of arrow - E -.
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Tighten drive plate - C - to 30 Nm by turning it with a commercially available band wrench (with webbed band) in direction of arrow - E -.