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Renewing needle bearings (polygon bearings) for flange shaft (right-side) with bevel box installed >
< Dismantling bevel box
A3 Mk1
Power transmission
5/6-speed manual gearbox 02M/02Y, four-wheel drive
Final drive, differential, differential lock
Bevel box / smantling_and_assembling_bevel_box/">Dismantling and assembling bevel box
Assembling bevel box
Assembling bevel box
Assembling bevel box
Note
Table of adjustments
→ Chapter
.
Pressing in oil supply sleeves
–
Carefully press in until stop.
Note
t
Installation position: end with marking faces press tool
t
Sleeves can also be driven in with press tool -VW 409- with the bevel box remaining assembled.
Pressing roller bearing into final drive housing
–
Carefully press roller bearing into final drive housing onto stop using sleeve -V.A.G 30-21-
Note
The marking faces towards press tool.
–
Press large tapered roller bearing inner race onto bevel gear.
–
Fit oil deflector plate with recess
-arrow A-
onto lug
-arrow B-
in large cover.
Note
On some gearboxes shim S
1
is fitted between oil deflector plate and large cover. If fitted, place shim at the same position when installing.
–
Insert shim S
1
into large cover and press in large tapered roller bearing outer race.
–
Insert bevel gear with input shaft
-1-
into final drive housing.
–
Lubricate new O-ring with oil and fit onto large cover
-2-
.
Note
The O-ring is not fitted on all gearboxes. On gearboxes without O-ring, apply sealant -AMV 188 200- evenly to sealing surface.
–
Fit cover and tighten bolts
-3-
,
-4-
and
-5-
diagonally and in stages to correct torque
→ Item
.
–
Turn bevel box in assembly stand by 180°.
–
Fit tapered roller bearing inner race
-A-
onto bevel gear with input shaft as far as stop.
–
Then place tapered roller bearing outer race
-B-
and shim S
2
-C-
on top.
–
Fit a new O-ring
-arrow-
onto sealing surface of small cover
-D-
.
–
Insert small cover and tighten bolts
-E-
to torque
→ Item
.
–
Press in outer race for small tapered roller bearing into pinion housing.
Make sure that the lug
-arrow-
on pinion housing does not make contact with thrust plate -VW 402- when pressing in.
–
Press large tapered roller bearing outer race into pinion housing.
–
Insert shaft bevel gear with shim S
4
and inner race for large tapered roller bearing in final drive housing.
–
Apply sealant to both sides of shim S
3
and to final drive housing.
–
Install pinion housing
-1-
(apply sealant to bolts when fitting).
–
Insert small tapered roller bearing inner race for shaft bevel gear.
–
Drive in new oil seal for output flange as far as stop using thrust piece -T10049-.
–
Pack space between sealing lip and dust lip half-full with sealing grease -G 052 128 A1-.
–
Apply multi-purpose grease evenly to splines of output flange and shaft bevel gear.
Drawing in output flange
A -
Two-arm puller, e.g. -Kukko 20/10-
–
Attach hooks to underside of pinion housing.
–
Coat threads of new hexagon nut and shaft bevel gear with locking fluid -D 000 600-.
–
Install new hexagon nut for output flange and tighten to specified torque
→ Item
.
Socket
-A-
for 3/4" drive
–
Drive in new oil seal for flange shaft (right-side) as far as stop.
–
Pack space between sealing lip and dust lip half-full with sealing grease -G 052 128 A1-.
–
Carefully press in flange shaft (right-side) while turning.
–
Check whether it is still possible to turn flange shaft after pressing in.
–
If necessary, apply a blow with a plastic-headed hammer onto other end of flange shaft.
Power transmission
5/6-speed manual gearbox 02M/02Y, four-wheel drive
Final drive, differential, differential lock
Bevel box / smantling_and_assembling_bevel_box/">Dismantling and assembling bevel box
Assembling bevel box
Renewing needle bearings (polygon bearings) for flange shaft (right-side) with bevel box installed >
< Dismantling bevel box