seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

Removing and installing flange shaft (right-side) > < Oil seal between the pair of bevelled gears and gearbox, in the gearbox: replace
Assembly overview: Flange shafts, seals and brackets on the bevelled gear
   
Assembly overview: Flange shafts, seals and brackets on the bevelled gear
1 - Conical hexagon bolt
q   480 Nm
q   Replace, → Spare Spare parts catalogue.
q   For output flange
2 - Output flange for the bevelled gear
3 - Seal ring cover for the output flange
q   Renew only if damaged
4 -  Seal
q   For the output flange of the bevelled gear
q   → Chapter „ Seal for the pair of bevelled gears flange: replace“
5 - Seal
q   Between gearbox and bevel box
q   → Chapter „Oil seal between the gearbox and pair of bevelled gears, in the pair of bevelled gears: replace“
6 - Bevel box
q   removing and fitting → Chapter
7 - Oil drain plug
q   60 Nm
q   For the bevelled gear
8 -  Seal
9 - Filler and inspection plug
q   15 Nm
q   Replace, → Spare Spare parts catalogue.
q   For the bevelled gear
10 - Bolt.
q   40 Nm + 45°
q   replace
q   Four pieces, fixing the bevelled gear to the gearbox
11 - Purge tube
12 - Air hood
13 - Countersunk bolt
q   30 Nm
q   Always replace.
14 - Right flange shaft
q   → Chapter „Removing and installing flange shaft (right-side)“
15 -  Oil seal
q   Always renew after removing flange shaft (right-side)
16 - Needle bearing
q   The needle bearing (polygon bearing) does not turn easily when the flange shaft is removed. This does not indicate that the bearing is defective. A test for noisy bearings can only be performed with the bearings installed
q   Take care for signs of damage to the bearings, e.g. such as cracking in outer race, replace if necessary
q   → Chapter „Renewing needle bearings (polygon bearings) for flange shaft (right-side)“
17 - Support
q   The needle bearing (polygon bearing) does not turn easily when the flange shaft is removed. This does not indicate that the bearing is defective. A test for noisy bearings can only be performed with the bearings installed
q   Take care for signs of damage to the bearings, e.g. such as cracking in outer race, replace if necessary
q   → Chapter „Renewing needle bearings (polygon bearings) for flange shaft (right-side)“
18 - Circlip
q   Always renew after removal

Mounted to the support for the bevelled gear
   
Bracket for bevel box: Tightening torque and sequence
–  Tighten bolts in 3 stages as follows:
1 - Screw in bolts -1- (hand-tight).
2 - Tighten bolts -2- to 40 Nm.
3 - Tighten bolts -1- to 40 Nm.
  A34-10106

Removing and installing flange shaft (right-side) > < Oil seal between the pair of bevelled gears and gearbox, in the gearbox: replace