SEAT Workshop Service and Repair Manuals

Assembling –  Check wear on synchromesh rings of 3rd and 4th gears → Chapter. –  Insert the following components onto the input shaft: 10  -  Needle bearing for 3rd gear 9  -  3rd speed selector gear 8  -  Syncromesh ring 3rd gear 7  -  Locking collar with synchronising hub for 3rd and 4th gear   Note Disassembly and assembly of the 3rd and 4th gear mobile sleeve and synchromesh unit → Chapter. –  Note the installation position of the synchromesh unit of 3rd and 4th gear.

l  The groove on the front part -arrow- or even the lowest support collar points to the 4th gear.

–  Insert the 3rd and 4th gear mobile sleeve and synchromesh assembly and the needle bearing sleeve for the 4th gear. –  Determining the correct securing ring → Anchor.

–  Insert the following components onto the input shaft: 6  -  Synchroniser ring for 4th gear 4  -  Needle bearing for 4th gear 3  -  4th speed selector gear 2  -  Thrust washer   Note Leave out further positions.

–  Insert the inner ring -A- of the cylindrical roller bearing → Item.

–  Insert a securing ring -A- of 2.0 mm in thickness in the groove of the input shaft and press upwards -arrow-. –  Using a thickness gauge -C-, measure the distance between the inner ring -B- and the fitted securing ring -A-. –  Remove the securing ring fitted for the measurement. –  Determine and fit a securing ring according to the table.   Note See → Electronic catalogue of spare parts „ETKA“ to allocate securing rings. The following retaining rings are available:

Measured value (mm)	Thickness of the securing ring (mm)	Axial play (mm)
0,05 … 0,14	2,0	0,05 … 0,15
0,15 … 0,24	2,1	0,05 … 0,15
0,25 … 0,34	2,2	0,05 … 0,15
0,35 … 0,44	2,3	0,05 … 0,15
0,45 … 0,51	2,4	0,05 … 0,10

–  Install the input shaft and output shaft in the gearbox casing → Chapter.