A8L Quattro Sedan V8-4.2L (AKB) (2002)
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Counterhold pulley for viscous fan using -3212- and remove viscous fan using -3312- (left thread).
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Remove viscous fan together with fan ring.
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Remove ribbed belt gear for viscous fan.
Note:
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Before removing toothed belt, mark the running direction with chalk or felt tip marker. A reversed turning direction can cause damage to the belt
under operating conditions.
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Note previously marked direction of belt rotation and be sure that it is seated correctly on pulley.
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To loosen ribbed belt, turn tensioner clockwise in direction of -arrow- using 17mm box wrench until two holes are aligned; counterhold in
position using -3204-.
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Remove ribbed belt.
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Turn the engine to the TDC position by hand. Markings -A- and -B- must align.
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Check the camshaft position: Large holes of securing plates on camshaft sprockets must face toward inside and align, otherwise turn crankshaft
one further rotation.
