seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

Dismantling and assembling differential > < Differential
Differential: Assembly overview
Differential: Assembly overview
  Note
t  Heat tapered roller bearing inner race to 100° C before installing.
t  Mount gearbox on assembly stand → Chapter.
t  Replace both conical roller bearings together.
t  If tapered roller bearings, differential cage, gearbox housing or clutch housing is renewed, adjust differential → Chapter.
   
1 - Gearbox
2 - Shim
q   For differential
q   Determining thickness → Chapter
3 - Outer track, roller bearing
q   Removing → Fig.
q   Fitting → Fig.
4 - Tapered roller bearing
q   Removing → Fig.
q   Fitting → Fig.
5 - Differential
q   With rivet fitted differential crown fitted in the factory
q   If replaced, the differential crown and the secondary shaft must be replaced together. Refer to Adjustment chart → Chapter
q   Differential cage adapted to one-piece thrust washer
q   Hole for spring pin adapted to length of spring pin
q   Determine according to → Electronic parts catalogue (ETKA)
6 - Tapered roller bearing
q   Removing → Fig.
q   Fitting → Fig.
7 - Outer track, roller bearing
q   Removing → Fig.
q   Fitting → Fig.
8 - clutch housing
9 - Thrust piece
q   To house the seal for right hand flanged shaft
q   Removing → Fig.
q   Fitting → Fig.
10 - Flanged shaft oil seal
q   Renewing oil seal for left flange shaft with gearbox installed → Chapter
q   Renewing seal for right flange shaft with gearbox installed (two-part seal and sleeve for right flange shaft) → Chapter
11 - One-piece oil seal and sleeve
q   If oil seal is damaged, renew sleeve and oil seal together → Chapter
q   replace → Fig.
12 - Countersunk bolt
q   25 Nm
q   Screw with threaded element to secure the articulation flanges → Item
13 - Articulation flange
q   removing and fitting → Chapter
14 - Compression spring for flange shaft
q   Install it behind the flanged shaft
15 - Thrust washer
q   Installation position: Collar towards the spring, core towards the conical ring
16 - Conical ring
q   With recess for the thrust washer
q   Installation position: conical side facing the differential casing
17 - Circlip
q   Keep the following in position: conical ring, shim and spring for flanged shaft when it is dismantled
18 - Set of thrust washers
q   Impregnate with gearbox oil before installation
q   One-piece thrust washer has a projection on some versions → Fig.
19 - Large differential bevel gear
q   Fitting → Fig.
20 - Threaded unit for securing articulated flanges
q   Fitting → Fig.
21 - Planet gear shaft
q   Drive out using drift
q   Removing in conjunction with shorter spring pin → Fig.
q   Removing in conjunction with longer spring pin → Fig.
q   Fitting → Fig.
22 - Spring pin
q   For securing differential pinion pin
q   Spring pins of different lengths have been installed
q   Remove with a suitable drift → Fig.
23 - Small differential bevel gear
q   Fitting → Fig.
24 - Large differential bevel gear
q   Fitting → Fig.

   

Dismantling and assembling differential > < Differential