audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Renewing camshaft oil seal > < Measuring axial clearance of camshafts
Measuring radial clearance of camshafts
Measuring radial clearance of camshafts
Special tools and workshop equipment required
t  Plastigage
Procedure
–  Remove roller rocker fingers → Chapter „Removing and installing camshafts“.
–  Clean bearings and bearing journals.
–  Place a length of Plastigage corresponding to the width of the bearing on the bearing journal or bearing shell to be measured.
l  The Plastigage must be positioned in the centre of the bearing.
–  Fit retaining frame and tighten to 10 Nm without rotating camshafts → Fig..
–  Remove retaining frame again.
–  Compare width of Plastigage with measurement scale.
l  Radial clearance: 0.035 ... 0.085 mm
   

Renewing camshaft oil seal > < Measuring axial clearance of camshafts