SEAT Workshop Service and Repair Manuals

Removing Gearbox for vehicles with 6-cylinder engine

–  Secure gearbox to assembly stand using bolts -arrows-. Gearbox for vehicles with 4-cylinder engine

–  Secure gearbox to assembly stand using bolts -arrows-. Continued for all gearboxes –  Rotate gearbox on assembly stand so that oil drain plug is below. –  Place drip tray -V.A.G 1306- underneath. –  Drain gear oil from gearbox and bevel box. –  Lever out sealing cover in right flange shaft, if present, with a screwdriver.   Note! Sealing cover will not be reinstalled and therefore does not need to be renewed.

–  Remove right flange shaft bolt with socket -T10107 A-. –  Remove four bevel box/gearbox connecting bolts (only three shown in figure) -arrows-. –  Press bevel box off gearbox.

–  Remove slave cylinder with clutch release bearing -arrows-.

During the following steps, ensure that the selector shaft is not blocked by the angled rod -arrow-. –  Move selector shaft to neutral. –  Remove locking bolt -2-. –  Then remove bolts -3-. –  Pull selector shaft -4- out of gearbox housing. –  Remove flange shaft and stub shaft.

–  Remove bolts -B-, which secure gearbox housing to clutch housing.   Note! Hexagon bolt -arrow- is located outside of bolting flange. It is installed with a washer.

–  Lock input shaft by setting installing sleeve -VW 455- over input shaft on clutch housing. –  Clamp splitter-A-, e.g. -Kukko 17/0-, behind notch in splines of input shaft. The back side of the splitter must rest against installing sleeve without play.

–  Pierce rubber in centre of cover -C- with a screwdriver. –  Pull cover out of gearbox housing. A -  Counter support, e.g. -Kukko 22/1- B -  Internal puller, 8...12 mm, e.g. -Kukko 21/01-

Remove retaining ring -C- from deep groove ball bearing of input shaft in gearbox housing as follows: –  Hold one end of retaining ring using screwdriver-A-. –  Using a screwdriver, -B-, lever other end out of groove in deep groove ball bearing -direction of arrow-. –  Using screwdriver-B-, lever out securing ring further.

–  If washer -1- is present, remove it from housing -2-. l  If the gearbox housing is to be renewed, check whether the washer must be installed → Anchor.

–  Remove securing bolts -A- for gearbox housing to clutch housing.

Gearbox with threaded hole in gearbox housing -arrow-

–  Screw adapter VW 771/40 into threaded hole of gearbox housing. –  Heat gearbox housing using hot air blower, e.g. -V.A.G 1416- in vicinity of bearing seat for deep groove ball bearing for input shaft for about 10 minutes to about 100° C. –  Using multi-purpose tool-VW 771/1-, pull gearbox housing off clutch housing in -direction of arrow-.   Note! If necessary, carefully apply lever on alternating sides at overhanging housing shoulders along perimeter, being careful not to damage sealing surfaces.

Gearbox without threaded hole in gearbox housing -arrow- –  Heat gearbox housing using hot air blower, e.g. -V.A.G 1416- in vicinity of bearing seat for deep groove ball bearing for input shaft for about 10 minutes to about 100° C. –  Carefully pry off gearbox housing on alternating sides at overhanging housing shoulders along perimeter, being careful not to damage sealing surfaces. Continuation for all

–  If present, remove washer -1- from deep groove ball bearing -2-. –  If gearbox housing is to be renewed, check whether washer must be installed → Anchor.

–  Remove splitter-A- and installing sleeve -VW 455- from input shaft. To remove shafts from clutch housing, a second mechanic is required.

–  With left hand, raise differential -1-. With right hand, lift output shaft for 1st to 4th gear together with selector rods -2--arrow A-. –  At same time, second mechanic lifts input shaft, reverse shaft and output shaft for reverse, 5th and 6th gears -3- together with selector rods out of clutch housing -arrow B-.   Note! After shafts are lifted, differential may be set back in clutch housing if desired. –  Drive out input shaft oil seal using sleeve -30-21-.   Note! Always renew deep groove ball bearing on input shaft → Item.