Camshaft, Measuring Radial Clearance

Special Tools And Workshop Equipment Required 

• Plastigauge^®

-- Remove the camshafts. Refer to CAMSHAFTS, REMOVING, USED CAMSHAFTS, REINSTALLING ON CYLINDER BANK 1 (RIGHT) .

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

• Plastigauge^® must rest in center of bearing.

-- Reinstall the camshaft with bearing caps and fasten with the old bolts, do not turn the camshaft.

• Cylinder bank 1 (right) bearing cap - tightening specification and sequence. Refer to figure in Tightening Specifications .
• Cylinder bank 2 (left) bearing cap - tightening specification and sequence. Refer to figure in Camshaft External Bracket Tightening Specifications .

-- Remove the camshafts with the bearing caps again.

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

Radial Clearance: 

• New: 0.037 to 0.063 mm.