LEMON Manuals: Even more car manuals for everyone
Home >> Audi >> 2013 >> S8 >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 4.0L - Cylinder Head & VALVETRAIN - Engine Code(S): CEUA, CGTA, CTFA & CTGA >> 15 Cylinder Head, VALVETRAIN >> Valvetrain >> Camshaft, Measuring Radial Clearance >> Procedure

Camshaft, Measuring Radial Clearance: Procedure

NOTE: Use old bolts to measure radial play.

-- Remove the camshafts, refer to REMOVING .

-- 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.

-- Install the camshafts, mount the camshaft housing and tighten using the old bolts, refer to Figure. When doing this, be careful not to rotate the camshafts.

-- Remove the camshaft housing and the camshafts again.

-- Compare width of Plastigage® with calibrated scale.

Radial clearance:

-- Replace bolts for the final assembly.