seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

Disassembly and assembly of the input shaft > < Gear change prongs: Repair
Output shaft: Installation overview
   
Output shaft: Installation overview
  Note
t  If it was necessary to fit new gears, consult the technical data .
t  Lubricate all of the bearings, mobile pinions and synchroniser rings with gear oil before fitting them on the secondary shaft.
t  If the synchroniser rings are to be re-used, do not mix up their original positions; fit them to their corresponding mobile pinions.
1 - clutch housing
2 - Cylindrical roller bearing
q   With synchronizing ring
q   Remove → Fig.
q   Insertion → Fig.
q   Installation position: once the bearing is fitted, the ring should point towards the secondary shaft
3 - Secondary shaft
q   A matched pair with the wheel drive; they must be replaced together
q   Check the seating or the inner cylindrical bearing ring for damage or scoring
q   If the seating or the inner cylindrical bearing ring shows scoring or damage then replace the secondary shaft and the cylindrical roller bearing
4 - 4th speed selector gear
q   Installation position; the collar is orientated towards the 3rd gear → Fig.
5 - Circlip
6 - Circlip
7 - 3rd speed selector gear
q   Installation position; the collar is orientated towards the 3rd gear → Fig.
8 - Circlip
9 - 2nd gear wheel
10 - Needle roller bearing
q   For 2nd gear
11 - Inner ring of 2ndª gear
q   Check for wear → Fig.
q   Installation position → Fig.
12 - Outer ring of 2ndª gear
q   Fit to the inner ring → Item
q   Replace this if there are grooves or treads caused by wear
q   Installation position → Fig.
13 - Synchroniser ring for 2nd gear
q   Check for wear → Fig.
q   Installation position → Fig.
14 - Mobile element with synchromesh body of 1 and 2 gear
q   After fitting the securing ring → Item release the bearing allotment upwards → Fig.
q   Dismantling → Fig.
q   Assembling the mobile element/synchroniser body → Fig.and → Fig.
q   Installation position → Fig.
q   Insertion → Fig.
15 - Circlip
q   Releasing → Fig.
q   Insertion → Fig.
16 - 1st gear synchro-ring
q   Check for wear → Fig.
q   Fit so that the grooves insert in the locking elements of the mobile sleeve → Item
17 - Outer ring for 1st gear
q   Replace this if there are grooves or treads caused by wear
q   Fit on the synchroniser ring → Item fitting position → Fig.
18 - Inner ring for 1st gear
q   Check for wear → Fig.
q   Check that the tabs show no signs of wear
q   Installation position → Fig.
19 - Needle roller bearing
q   Of 1 gear
20 - 3rd speed selector gear
q   Installation position → Fig.
21 - Allotment with grooved ball bearings
q   Always replace the bearings with the allotment
q   Clean the allotment threaded holes (eg. with a 6 mm drill bit)
q   Releasing → Fig.
q   Insertion → Fig.
22 - Gearbox
23 - 5th speed selector gear
q   Installation position: the collar should be orientated towards the gearbox casing cover
24 - Circlip
q   Always replace.
q   Determine thickness
25 - Spring
q   Installation position → Fig.
26 - Mobile element
27 - Synchromesh hub
28 - Locking element
q   Quantity: 3

   

Disassembly and assembly of the input shaft > < Gear change prongs: Repair