SEAT Workshop Service and Repair Manuals

Crankshaft oil seal- pulley side: replace

Special tools and workshop equipment required

t	Torque wrench kit -SAT 8010-

t	Counterhold tool -T10121-

t	Counterhold tool -T20018B-

t	Guide sleeve -T20081B-

t	Extractor kit -T20143-

Removal:

–  Remove the lower engine protection → Bodywork, exterior fitting work; Rep. gr.50. –  Remove the front right wheel housing moulding → Bodywork, Exterior fitting work ; Rep. gr.66.

–  Remove the engine speed sender -G28--arrow-.

–  Turn the crankshaft in the direction of engine rotation, using the pulley fastening bolt, until the counterhold -T10121- can fit into the aperture of the engine speed sensor -G28-.

–  Lock the crankshaft fitting the counterhold -T10121- in the aperture of the engine speed sensor -G28-. –  Mark direction of rotation of Poly-V belt and remove → Chapter.   WARNING For safety reasons the fastening bolt of the crankshaft pulley must not be loosened or tightened with a pneumatic tool, as vibrations from the tool could provoke the displacement of the crankshaft gear and release it from the pin. This would cause major damage on starting the engine.

–  Immobilise the crankshaft pulley -2- with the counterhold -T20018B- and loosen the retaining bolt -1-. –  Extract the bolt -1- and remove the crankshaft pulley -2-. –  Remove the crankshaft sleeve → Item.

–  Insert the extractor -T20143/2- and extract the seal -1-. Installing –  Re-position the bushing → Item on the crankshaft.

–  Fit the new seal in the adaptor -T20081/6- and fit the assembly over the crankshaft bushing → Item and press by hand. –  Fit adapter -T20081/1- onto the adapter -T20081/6-. –  Use a M14 x 150/125 bolt so that when it moves presses on the assembly until the seal is inserted into its working position. –  Remove the adaptor -T20081/6-. –  Fit the belt pulley with a new fastening bolt. –  Tighten the fastening bolt as far as possible by hand.   Note Ensure that the pulley is not tilted during fitting. –  Immobilise the pulley using the retention tool -T20018B-. Tightening torque: 90 Nm +1/4 turn further (90°).

–  Remove the retention tool -T10121- from the aperture of the flywheel.

–  Fit the engine speed sender -G28-. Tightening torque of fastening bolts: 8 Nm –  Install Poly V-belt → Chapter. –  Continue installation following reverse order for removing.