Camshaft, Measuring Radial Clearance: Procedure

-- Remove the camshafts. Refer to CAMSHAFT, REMOVING AND INSTALLING .

-- Mark the assignment of the roller rocker lever for installation later.

-- Remove the roller rocker lever and place it on a clean surface.

-- Clean the bearing and the bearing journals.

-- Place Plastigage^® over entire width of bearing journal or into bearing.

• Plastigage^® must rest in center of bearing.

-- Install the camshafts, mount the bearing bracket and tighten to 8 Nm without additional turn. Refer to Figure, do not turn the camshafts while doing this.

-- Remove the bearing bracket and camshafts.

-- Compare width of Plastigage^® with calibrated scale.

Radial Clearance: 

• For 24 mm diameter bearings: 0.024 to 0.066 mm
• For 36 mm diameter bearings: 0.032 to 0.078 mm.