Audi Workshop Service and Repair Manuals

Renewing camshaft oil seal

Special tools and workshop equipment required

t	Oil seal extractor -2085-

t	Puller -3032- for vehicles up to 02.2006

t	Counterhold tool -3036-

t	Hexagon bolt M10 x 1.25 x 40, (from fitting sleeves -3241-)

t	Assembly tool -T10053-

t	Puller -T10320- for vehicles from 02.2006 onwards

Procedure –  Carefully pull engine cover panel off four retaining pins one after the other -arrows-.

–  Loosen clamps -arrows-. –  Pivot toothed belt cover forward and disengage retaining pegs on bottom side of toothed belt cover. –  Remove intake manifold (top section) → Rep. gr.23.   Note

Before removing, mark rotation direction of toothed belt with chalk or felt-tip pen. If the belt runs in the opposite direction when it is refitted, this can cause breakage. –  Loosen bolt -arrow- for tensioning roller approx. 2 turns.

–  Vehicles with auxiliary heater: remove bolts -arrows- securing exhaust pipe for auxiliary/additional heater to noise insulation.

–  Release quick-release fasteners -1- and -2- and take off front noise insulation. Leave rear noise insulation in position.

–  Unplug electrical connector -1-. –  Move wiring harness clear at radiator fan (left-side). –  Remove bolts -arrows-. –  Lower radiator fan (left-side) slightly and tie up on lock carrier.

–  Loosen central bolt -1- for toothed belt drive sprocket approx. 2 turns using counterhold tool -3036-.

Vehicles up to 02.2006: –  Use puller -3032- to pull off toothed belt drive sprocket.

Vehicles from 02.2006 onwards: –  Use puller -T10320- to pull off toothed belt drive sprocket. All vehicles (continued): –  Take off toothed belt drive sprocket together with toothed belt.

–  Unscrew inner section of oil seal extractor -2085- three turns out of outer section and lock inner section 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 seal. –  Clean running surface and sealing surface.

–  Press in new oil seal as far as stop using press sleeve from -T10053- and hexagon bolt M10 x 1.25 x 40 -arrow-, (from fitting sleeves -3241-). Installation is carried out in the reverse order; note the following: –  Install toothed belt for high-pressure pump → Rep. gr.23. –  Install radiator fan (left-side) → Chapter. –  Install intake manifold (top section) → Rep. gr.23. Tightening torque

Component	Nm
Toothed belt drive sprocket to camshaft	75