Camshaft oil seal, replacing

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Fig 1: Identifying Special Tools - Camshaft Oil Seal, Replacing (Coil Spring Seals)

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Coil spring seals:

Special tools and equipment

10-203 Oil seal driver
2085 Seal puller
3415 Counter support
V.A.G 1331 Torque wrench (5 to 50 Nm)

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

Fig 2: Identifying Special Tools - Camshaft Oil Seal, Replacing (PTFE Seals)

Courtesy of VOLKSWAGEN UNITED STATES, INC.

PTFE seals:

Special tools and equipment

2085 Seal puller
3415 Counter support
T10071 Assembly tool
V.A.G 1331 Torque wrench (5 to 50 Nm)

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

Removing

Remove toothed belt guard upper part.

Fig 3: Aligning Mark On Camshaft With Mark On Toothed Belt Cover

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Set camshaft pulley to TDC No. 1 cylinder by turning crankshaft. Mark on camshaft pulley must align with (arrow) on toothed belt guard.
Loosen tensioning roller and remove toothed belt from camshaft pulley.
Turn crankshaft back slightly.

Fig 4: Identifying Counterholding 3415 & Camshaft Pulley Bolt

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Take camshaft pulley off. When loosening bolt hold camshaft pulley with counterhold 3415.
Remove woodruff key from camshaft.
Screw camshaft pulley bolt into camshaft onto limit stop.
Unscrew inner part of oil seal extractor 2085 two turns (approx. 3 mm) out of outer part and lock with knurled screw.

Fig 5: Identifying Seal Puller 2085

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Lubricate threaded head of oil 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 against camshaft until oil seal is pulled out.
Clamp flats of oil seal extractor in vise. Remove oil seal with pliers.

Installing

Requirements

Pistons must not be positioned at TDC.

NOTE:

PTFE seals (Teflon) -2- have been introduced gradually to replace the coil spring type seals -1-. PTFE seals have a wider sealing lip.
PTFE oil seals are installed free of oil and grease.
An old type radial shaft seal (with coil spring) may be replaced by a PFTE seal (but a PTFE seal may not be replaced by a coil spring type).
If PTFE seals are installed then only these seals may be used as replacement parts.

Fig 6: Identifying PTFE Seals - Teflon & Coil Spring Type

Courtesy of VOLKSWAGEN UNITED STATES, INC.

PTFE seals

NOTE: Do not add oil or grease to the oil seal sealing lip.

Fig 7: Identifying Assembly Tool T10071

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Position seal with assembly tool T10071 and press in onto limit stop with press sleeve T10071/1 and bolt T10071/2.

Coil spring seals

NOTE: Lightly oil or grease the oil seal sealing lip.

Position seal with fitting sleeve 10-203 and press into limit stop with press sleeve and bolt 10-203.

Continued for all oil seals

Install woodruff key in camshaft.

Fig 8: Identifying Assembly Tool T10071

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Install camshaft pulley. When tightening camshaft pulley bolt counterhold with 3415.
Tightening torque: 100 Nm

NOTE: When turning the camshaft the crankshaft must not be at TDC. Danger of damage to valves/piston crown.

Further installation is the reverse of removal.

Installing toothed belt and adjusting timing. Refer to Figure