SEAT Workshop Service and Repair Manuals

Flanged shaft seal: replacement

Special tools and workshop equipment required

t	Pliers -A-81124-

t	Torque spanners -SAT 8010-

t	Pressure tool -U-40013-

t	Pressure tool -U-40014-

t	KIT -U-40020-

Removing Note the general instructions for gearbox repairs → Chapter. Right flanged shaft seal –  Remove the counterweight -A- from the sub-frame. –  Mark counterweight fitting position. –  Remove the protective cover for the articulated flange, if fitted. –  Remove the attachment bolts securing the drives hafts to the articulated gearbox flange, with the correct diameter on tool -U-40020-. –  Pull drive shaft to one side and secure it, taking care that it is not damaged. Left flanged shaft seal –  Remove left-hand drive shaft: → Running gear, axles, steering; Rep. Gr.40

Continue for both seals –  Pierce the protective cap on the flanged shaft using a screwdriver and lever out. –  Remove the safety ring from the groove in the extension rod on the flanged shaft. To do this, use tool -A-81124-. –  Remove the safety ring. Remove the flanged shaft as follows: –  Locate tool -U-40013- over the flanged shaft and fit with two “M8” screws. –  Screw the tool shaft bolt until the flanged shaft is removed. –  Remove the flanged shaft with the spring, thrust washer and conical ring.

–  Place tool -U-40014/A- on the flanged shaft seal and screw it into the seal itself. –  Screw the tool bolt until the flanged shaft oil seal is removed.

Installing Fit the flanged shaft oil seal as follows: –  Lubricate the oil seal conveniently. –  Place the oil seal in its housing and screw the shaft of tool -U-40014/B- into the flanged shaft extension rod. –  Screw the tool bolt until the flanged shaft oil seal is engaged. –  Fit the flanged shaft with the spring, thrust washer and conical ring.

–  Locate tool -U-40013- over the articulated flange and fit with two “M8” screws. –  Screw tool -U-40013- shaft into the flanged shaft extension rod. –  Screw the tool shaft bolt until the flanged shaft is engaged. –  Fit plate spring. –  Fit the new safety ring in the groove of the flanged shaft. To do this, use tool -A-81124-. –  Fit a new protective cap on the articulated flange. Left flanged shaft seal –  Fit the left drive shaft: → Running gear, axles, steering; Rep. Gr.40 Right flanged shaft seal –  Fit the drive shaft on the gearbox articulated flange using the appropriate spanner on tool -U-40020-. Tightening torque: 45 Nm –  Fit counterweight -A- to the sub-frame. Fitting position: in accordance with mark made for removal. If no mark was made, the counterweight should be fitted to the sub-frame in such a way that the greatest distance between the edge of the counterweight and the securing bolts faces the front. –  Fit the heat shield for the flanged shaft, if applicable. Continue for both seals –  Check the drive shaft oil level → Chapter. –  With the ignition switched off, connect battery earth strap.