Volkswagen Workshop Service and Repair Manuals

Crankshaft Main Bearing: Specifications

Main Bearing Cap Bolts 
Assembly

Tighten .....................................................................................................................................................................................  65 Nm (48 ft lb) + 90°

To measure radial clearance

Tighten ........................................................................................................................................................  65 Nm (48 ft lb) but NOT additional 90°
Main Bearing Tightening Sequence, Refer to Procedure 

See: Crankshaft/Service and Repair

Crankshaft

Axial clearance:

New ......................................................................................................................................................................................................  0.07...0.23 mm
Wear limit ......................................................................................................................................................................................................  0.30 mm

Check radial clearance with Plastigage

New ........................................................................................................................................................................................................   0.01 0.04mm
Wear limit ......................................................................................................................................................................................................  0.15 mm
^

Do not rotate crankshaft when checking radial clearance

Crankshaft dimensions (in mm) 

Honing

Main Journal

Conrod Journal

Dimension

Diameter

Diameter

Basic Demension

53.983...53.963

47.778...47.758

1st Undersized

53.733...53.713

47.528...47.508

2nd Undersized

53.483...53.463

47.278...47.258

3rd Undersized

53.233...53.213

47.028...47.008