Measuring radial clearance of camshafts

Special tools and workshop equipment required

• Plastigage

Procedure

• Remove roller rocker finger.
• Remove bearing cap and clean crankshaft journal.
• Place a length of Plastigage corresponding to the width of the bearing on the journal to be measured or into the bearings.

• Plastigage must lie in the middle of the bearing.

• Fit retaining frame and tighten to 10 Nm ⇒ 3.1 Assembly overview - valve gear without twisting crankshafts.
• Remove retaining frame.
• Compare width of Plastigage with the measurement scale.

• Radial clearance: 0.035 to 0.085 mm.