Exhaust Camshaft Oil Seal, Replacing

Exhaust camshaft oil seal, replacing
Special tools and workshop equipment required
^ Oil seal extractor 2085
^ Counterhold 3036
^ Puller 3241
^ Assembly tool T10071

Removing
^ Cylinder head installed
^ Lock carrier in service position, Refer to Body and Frame, Radiator Support,Service and Repair
^ Remove toothed belt from camshaft sprocket. Removing and installing toothed belt 13-27.





^ Remove engine cover -arrows-.
^ Remove top section of toothed belt guard.





^ Rotate crankshaft at central bolt of crankshaft toothed belt sprocket in direction of engine rotation to TDC No. 1 cylinder-arrow-.
^ Loosen camshaft sprocket (counterhold with 3036).
^ Pull off cam shaft sprocket.





^ To guide oil seal extractor, screw bolt for camshaft sprocket -arrow into camshaft as far as it will go by hand.
^ Remove inner part of oil seal extractor 2085 two turns (approximately 3 mm) out of outer part and lock with knurled screw.





^ Lubricate threaded head of oil seal extractor 2085, place in position and exerting firm pressure screw as far as possible into oil seal.
^ Loosen knurled screw and turn inner part against camshaft until oil seal is pulled out.
^ Clamp flats of oil seal extractor in vice. Remove oil seal with pliers.

Installing
^ Do not oil sealing lip of oil seal.





^ Install guide sleeve T10071/1 onto camshaft journal.
^ Slide oil seal over guide sleeve onto shaft journal.
^ Remove guide sleeve.





^ Push in oil seal as far as it will go using thrust sleeve 3241/1. To do so, use bolt 3241/5.





^ Install camshaft sprocket.
^ Note installation position:
Narrow web of camshaft sprocket must face outward -arrows- and marking for TDC No. 1 cylinder must be visible from front.
^ Install securing bolts for camshaft sprocket (use counterhold 3036).





^ Align marking on camshaft sprocket with marking on cylinder head cover.
^ Align marking on vibration damper with marking on bottom section of toothed belt guard.

Note: If a piston is at TDC, valves could strike piston when camshaft is turned. Pistons must not, therefore, be set to TDC, otherwise there is a risk of damage to valves and pistons.

^ Install toothed belt (adjust valve timing).





Tightening torque