Volkswagen Golf Service & Repair Manual: Renewing crankshaft oil seal

Special tools and workshop equipment required

Assembly tool -T10485-

Renewing crankshaft oil seal - belt pulley end

Puller hooks -T20143-

Procedure

Remove toothed belt → Chapter.

Detach crankshaft pulley -1--arrow-.

Risk of damage to engine caused by incorrect valve timing.Do not turn crankshaft out of TDC position.

Pry out seal using extractor hook -T20143/2--arrow-.
Clean contact surface and sealing surface.

Note

Do not lubricate new seal.

Fit new seal in -direction of arrow- onto assembly sleeve -T10485/2-.

Pull off assembly sleeve -T10485/3- in -direction of arrow-.

Installation position: closed end of seal faces fitting sleeve.

Fit guide sleeve -T10485/2- with oil seal -1- onto crankshaft.

Use fitting sleeve -T10485/1- and bolt -1- for poly V-belt pulley to pull in oil seal -2- onto stop.

Fit crankshaft sprocket onto crankshaft.

The contact surface between vibration damper and crankshaft pulley must be free of oil and grease. The machined surface -arrow- of crankshaft pulley must be positioned over the machined surface of the crankshaft journal.

Install toothed belt (adjust valve timing) → Anchor.

Renewing crankshaft oil seal - belt pulley end