Volkswagen Workshop Service and Repair Manuals

Crankshaft Main Bearing: Specifications
Clearance & Wear Limits

DIMENSIONS

Axial Clearance:

New .....................................................................................................................................................................  0.07-0.23 mm (0.0028-0.0091 inch)
Wear limit ........................................................................................................................................................................................  0.30 mm (0.0118)

Radial Clearance:

New .....................................................................................................................................................................  0.02-0.06 mm (0.0008-0.0024 inch)
Wear Limit ...............................................................................................................................................................................  0.10 mm (0.0039 inch)

Crankshaft Dimensions:

Main Bearing ...........................................................................................................................................  59.958-59.978 mm (2.36055-2.36134 inch)
Connecting Rod Bearing .........................................................................................................................  53.958-53.978 mm (2.12433-2.12512 inch)

NOTE:
-

Do not rotate the crankshaft when checking the radial clearance.

-

Reworking of crankshaft is not permitted.

TIGHTENING SPECIFICATIONS

Main Bearing Cap Bolts, Tighten In Two Stages:

1st Stage .........................................................................................................................................................................................  30 Nm (22 ft. lbs.)
2nd Stage .....................................................................................................................................................................................  Turn 1/2 turn (180°)

NOTE:
-

Two 90° Additional Turns Are Permitted.

-

Always Replace Main Bearing Cap Bolts.

Trigger Wheel Bolts, Tighten In Two Stages:

1st Stage ...........................................................................................................................................................................................  10 Nm (7 ft. lbs.)
2nd Stage ................................................................................................................................................................................  1/4 Turn 1/4 Turn (90°)

NOTE:  Always Replace Trigger Wheel Bolts.