Camshaft, Measuring Radial Clearance

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Special tools and workshop equipment required

Plastigage

Procedure

Use the old bolts for radial clearance measurement.

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

-- Mark the allocation 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 the Plastigage over entire width of bearing journal or into the bearing.

The Plastigage must rest in center of bearing.

-- Reinsert the camshafts, mount the camshaft housing and tighten with an additional turn (refer to Figure), do not turn the camshafts while doing this.

-- Remove the camshaft housing and camshafts again.

-- Compare the width of the Plastigage with the measuring scale.

Radial clearance:

0.024 to 0.066 mm.

-- Replace the bolts for the final assembly.