SEAT Workshop Service and Repair Manuals

Operation process

Remove the outer ring of the conical roller bearing from the clutch casing –  Extract the conical roller bearing outer ring and the bearing sockets using the extractor kit -T20140-.   Note After pulling out, check shim for damage and renew if necessary.

Pressing tapered roller bearing outer race into clutch housing –  First insert washer. l  Fitting position: the interior diameter rebate should point towards the seal

Extract the inner ring of the conical roller bearing l  Before inserting the conical roller bearing inner ring it must be heated using the hot air blower -SAT 1416- until a temperature of 100 °C   Note t  Ensure that the adapter -U-40100/3- hooks are well secured to the inner rings of the roller bearings. t  Ensure that the roller bearing cage is not trapped when the internal rings of the differential casing are removed. –  Before fitting the extractor, fit the kit (case) -U 40300- with the adaptor -U-40300/13-.

Insert the inner ring of roller bearing

Pulling outer race for tapered roller bearing out of gearbox housing –  Use the extractor kit -T20140- with adaptor -T20140/30-.

Fitting the outer ring of the roller bearing into the gearbox casing –  Support the gearbox casing on the base -U-40450/1- with the adapter -U-40450/11-, socket -U-40450/4- and as a base for connecting the inner ring, the installation tool -U-10103-, adapter -U-40200/10- and the adapter -U-40200/5-.

Removing and installing spring pin for differential pinion pin Removing: –  Cover the inner ring of the roller bearing to avoid damaging it or contaminating it with shavings. –  Drive out spring pin with chisel, inserting chisel into annular groove. Installing: –  Insert the elastic pin to the limit on the planetary gear casing.

Install differential bevel gears. –  Fit the complete assembly of thrust washers with gear oil. –  Fit the two sun gears and secure them (for example using the input axle). –  Fit the planetary gears offset by 180° and rotate them inwards. –  Insert the planet gear shaft -arrow A- to the first planet gear. –  Fit the threaded components -arrow B- to the sun gears. l  Fitting position: with the stepped part towards the sun gear –  Insert the planet gear shaft to the final position and secure it with the elastic pin.