Jetta V6-2.8L (BDF) (2002)
Fig. 3 Checking piston
Special tools and equipment
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External micrometer 75. . . 100 mm
Test sequence
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Take measurement approximately 6 mm from lower edge of piston skirt and offset 90° to piston axis.
Deviation from nominal dimension: max. 0.04 mm
Fig. 4 Checking cylinder bores
Special tools and equipment
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Internal dial gauge 50 100 mm
Test sequence
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Measure bores at 3 locations in both directions -A- across engine and -B- in line with crankshaft.
Deviation from nominal dimension: max. 0.08 mm
Note: The cylinder bores must not be measured if the cylinder block is mounted on a repair stand with engine bracket 3269 or VW 540, as
incorrect measurements would then result.
Fig. 5 Installing pistons with piston installation tool (funnel) 3278
Special tools and equipment