Audi Workshop Service and Repair Manuals

Renewing camshaft oil seal   Note

t  A modified oil seal is being phased in. t  The „old“ version oil seal -item A- forms a continuous surface between the camshaft and the cylinder head. t  The „new“ version oil seal -item B- has a shoulder between the camshaft and the cylinder head. Special tools and workshop equipment required

t  Fitting tool -10 - 203-

t  Oil seal extractor -3240- for „old“ version oil seal

t  Puller -T10443- for „new“ version oil seal t  Bolt M12x1.5x75 Procedure –  Remove camshaft sprocket and hub → Chapter „Removing and installing camshafts“.

„Old“ version oil seal: –  Insert thrust piece -3240/1- in camshaft.

–  Screw inner section of oil seal extractor -3240- two turns out of outer section (approx. 3 mm) and lock with knurled screw. –  Lubricate threaded head of oil seal extractor, place it in position and screw it into oil seal as far as possible (applying firm pressure). –  Loosen knurled screw and turn inner section against camshaft until oil seal is pulled out. –  Clamp flats of oil seal extractor in vice and use pliers to remove oil seal.

„New“ version oil seal:   Caution If the grub screw is unscrewed too far the thrust plate inside the puller -T10443- will come loose from the thrust bolt. If this happens, the thrust plate must be pushed back onto the thrust bolt. –  Carefully unscrew grub screw -arrow- of puller -T10443- until slight resistance is felt.

–  Apply puller -T10443- in a straight line, as shown in illustration, and lock by screwing in grub screw.-A-. –  Screw in thrust bolt -B- until oil seal is pulled out. All types of oil seal (continued): –  Clean contact surface and sealing surface.   Note The sealing lip of the oil seal must not be additionally oiled or greased.

–  Apply guide sleeve of fitting tool -10 - 203- to camshaft as shown in illustration. –  Carefully push oil seal -1- over guide sleeve and onto camshaft.

–  Press in oil seal onto stop using thrust piece of fitting tool -10 - 203- and bolt M12×1.5×75. –  Install camshaft sprocket and hub → Chapter „Removing and installing camshafts“. –  Install toothed belt (adjust valve timing) → Anchor.