GTI V6-2.8L (BDF) (2002)
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To measure radial clearance tighten to 30 Nm, but do not turn further
8. Cylinder block
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Checking cylinder bore
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Removing and installing crankshaft, Refer to Crankshaft,Engine, Service and Repair
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Piston and cylinder dimensions, Refer to Piston,Engine, Specifications, Mechanical
9. Piston pin
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If difficult to remove, heat piston to 60°C
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Remove and install with drift VW 222a
Fig. 1 Checking piston ring gap
Special tools and equipment
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Feeler gauge
Test sequence
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Push ring squarely from above down to approximately 15 mm from bottom end of cylinder. To do this use a piston without rings.
Fig. 2 Checking ring to groove clearance
Special tools and equipment
^
Feeler gauge
Test sequence
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Clean ring groove before checking.