volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Connecting Rod, Engine > < Lifter / Lash Adjuster, Valve|Testing and Inspection
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Connecting Rod Bearing: Specifications

Piston and Cylinder Dimensions

1) Dimensions are without graphite coating (thickness 0.02 mm). The graphite coating wears away.

Conventional Connecting Rod

Connecting rod bearing cap ....................................................................................................................................................................................  30 Nm 
plus an additional 1/4 turn (90°)

Axial clearance

New ....................................................................................................................................................................................................  0.10 to 0.31 mm
Wear limit ......................................................................................................................................................................................................  0.37 mm

Check radial clearance with Plastigage

New ....................................................................................................................................................................................................  0.01 to 0.06 mm
Wear limit .....................................................................................................................................................................................................   0.12 mm

(Do not rotate crankshaft when checking radial clearance)

Industrially cracked connecting rod

Separating cap from connecting rod .......................................................................................................................................................................  30 Nm 
plus an additional 1/4 turn (90°)

Axial clearance

New ...................................................................................................................................................................................................  0.10 ... 0.35 mm 
Wear limit ........................................................................................................................................................................................................  0.4 mm

Check radial clearance with Plastigage

New .....................................................................................................................................................................................................  0.01...0.05 mm 
Wear limit .....................................................................................................................................................................................................  0.09 mm 

(Do not rotate crankshaft when checking radial clearance)

Connecting Rod, Engine > < Lifter / Lash Adjuster, Valve|Testing and Inspection