Passat Sedan 4Motion V6-2.8L (ATQ) (2003)
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Fit camshaft clamp 3391.
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Using 8 mm hex wrench, turn toothed belt tensioner roller-1 counter-clockwise, opposite direction shown (arrow), until tensioning lever 2-
compresses tensioner -3- so that spring clamp (2 mm dia.) can be removed and then remove clamp.
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Before starting engine, preload timing tensioner roller as follows:
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Using a torque wrench with 8 mm hex bit, apply tension to toothed belt clockwise in direction shown (arrow) until a torque of 15 Nm is attained.
This ensures tensioner has expanded completely and is properly engaging toothed belt.
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Tighten camshaft sprocket to 55 Nm after pretensioning toothed belt.
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Remove clamping bolt 3242.
The rest of the assembly is basically a reverse of the disassembly sequence.