Camshaft Oil Seal: Service and Repair

Camshaft oil seal, replacing





Special tools and equipment
^ VAG1331 Torque wrench (5-50 Nm)
^ VAG1332 Torque wrench (40-200 Nm)
^ 3036 Counter hold tool
^ 3241 Fitting sleeves
^ 2085 Oil seal extractor

Removing oil seal on camshaft sprocket
- Remove seal on Camshaft Position (CMP) sensor.
- Remove toothed belt guard (upper part).





- Set camshaft sprocket to TDC No. 1 cylinder by turning crankshaft. Mark on camshaft sprocket must align with mark on cylinder head cover.
- Remove cylinder head cover.
- Release tensioner and remove toothed belt from camshaft sprocket.
- Turn crankshaft back slightly.
- Remove camshaft sprocket. When loosening camshaft sprocket bolt counter-hold with 3036.
- Remove woodruff key from camshaft.





- Screw camshaft sprocket securing bolt -arrow- into camshaft onto stop by hand, to guide seal extractor.
- Unscrew inner part of oil seal extractor 2085 two turns (approximately 3 mm) out of outer part and lock in position with knurled screw.





- Lubricate threaded head of oil seal extractor, place it in position and exerting firm pressure screw it into oil seal as far as possible.
- Loosen knurled screw and turn inner part of extractor against camshaft until oil seal has been extracted.

Installing

Note: Gradual introduction of PTFE oil seal (identifying characteristics: no annular spring, sealing lip wider). The sealing lip of this oil ring must not be oiled or lubricated. A plain encased seal of older construction (with annular spring) may be replaced with a PTFE oil seal, but not vice versa.

- Before installing, remove oil remains from crankshaft journal with a clean cloth.





- Install guide sleeve 3241/2 onto camshaft journal.
- Slide oil seal over guide sleeve.





- Press seal in onto stop with press sleeve 3241/1 and bolt 3241/5.
- The rest of the assembly is basically a reverse of the disassembling sequence.
- Installing toothed belt and adjusting timing.