volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

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Piston: Specifications
Piston Identification

Piston identification 

 
Piston and cylinder dimensions 

Size 

Piston 

Cylinder Bore 

Standard 

76.48 mm 

76.51mm

1st Oversized  76.73 mm 

76.76 mm

2nd Oversized  76.96 mm 

77.01 mm

3rd Oversized  77.48 mm 

77.51 mm

CAUTION:  Oversized pistons for repair of hydraulic lifter engines are now manufactured with 15° chamfer.  During repairs using oversized pistons,
only used chamfered pistons to prevent pistons from hitting cylinder head gasket.

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