Volkswagen Workshop Service and Repair Manuals

Removing and installing oil seal on Hall sender

Special tools and workshop equipment required

t	Oil seal extractor -2085-

t	Counterhold tool -3036-

t	Fitting sleeves -3241-

t	Torque wrench -V.A.G 1331- (5...50 Nm)

t	Torque wrench -V.A.G 1332- (40...200 Nm)

t	Fitting tool -T10071-

Not illustrated: t  Bolt M8 x 60 Removing

–  Pull connector off hall sender -arrow-. –  Remove upper toothed belt guard. –  Remove hall sender housing. –  Remove hall sender washer and screen.

–  To guide oil seal extractor -2085-, screw bolt from oil seal extractor -2085- into camshaft to stop by hand. –  Screw inner part of oil seal extractor -2085- two turns (approx. 3 mm) out of outer part and lock with knurled screw.

–  Lubricate threaded head of oil seal extractor -2085-, place it in position and exerting firm pressure, screw it as far as possible into oil seal. –  Loosen knurled screw and turn inner part against camshaft until the oil seal is pulled out. Installing   Note t  Gradual introduction of PTFE seals (polytetrafluoroethylene)

t  Characteristics: The conventional oil seal with coil spring has a sealing lip -arrow 1- which is held in position by a coil spring. The PTFE seal has a wider sealing surface -arrow 2- but no coil spring. t  The sealing surface of PTFE oil seals must not be additionally oiled or greased. Installing PTFE oil seal –  Remove oil residue from camshaft journal using a clean cloth.

–  Fit fitting tool -T10071/5- onto camshaft journal. –  Slide oil seal over guide sleeve.

–  Press seal in to stop using assembly tool -T10071/3-. To do this use bolt M8x60 -1-. Installing oil seal with coil spring –  Lightly oil sealing lip of oil seal.

–  Fit puller sleeve -3241/2- onto camshaft journal. –  Slide oil seal over guide sleeve.

–  Press oil seal in to stop with puller sleeve -3241/1-1. Use bolt from puller sleeve -3241/3- for this. Continuation for all oil seals –  Insert hall sender screen into notch in inlet camshaft. –  Install washer (cone facing outwards) and tighten securing bolt to 25 Nm. –  Install Hall sender housing and tighten to 10 Nm. –  Install top part of toothed belt guard. –  Attach connector to hall sender.