A4 Quattro Sedan L4-1.8L Turbo (AWM) (2001)
Compressor Clutch: Service and Repair
Compressor Clutch -N25- (Nippondenso), Servicing
Compressor Clutch -N25- (Nippondenso), Servicing
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Remove compressor from mounting bracket to service A/C clutch (do not open refrigerant system).
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Removing and installing drive belt.
1
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Clutch plate bolt
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15 Nm (11 ft lb)
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Removing and installing See Fig. 1
2
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Clutch plate
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Removing See Fig. 2
3
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Shims
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For setting clutch plate and belt pulley gap
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Size of gap: 0.4 to 0.6 mm
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Checking size of gap See Fig. 4
4
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Circlip
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Always replace
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Install with flat side facing compressor
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Ensure correct location in groove
5
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Belt pulley
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Remove using puller US 1078, Kukko 20-10 or equivalent.
6
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Circlip