Camshaft, Measuring Radial Clearance: Procedure

WARNING: This page is about a different car, the 2012 Audi S5, 2011 Audi S5, 2010 Audi S5, 2009 Audi S5, and 2008 Audi S5. However, it is still accessible from the selected car via links, so may be relevant.

-- 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.