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.

-- Re-install the camshafts, mount the bearing bracket and tighten to 8 Nm. 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 bearing diameter: 0.024 to 0.066 mm
• For 36 mm bearing diameter: 0.032 to 0.078 mm