Opel Frontera UBS. Service manual — part 984
![](/vehicle/goneen/quin/zou/qusthe.png)
4A1–19
DIFFERENTIAL (FRONT)
17. Tighten the cap bolt to the specified torque.
Torque: 98 N·m (10kg·m/72 lb ft)
425RS036
1. Measure the amount of run–out of the ring gear at
its rear face.
Standard: 0.02 mm ( 0.001 in)
Limit: 0.05 mm ( 0.002 in)
425RS037
Gear Tooth Contact Pattern Check and Adjustment
1. Apply a thin coat of prussian blue or equivalent
to the faces of the 7–8 teeth of the ring gear.
Check the impression of contact on the ring
gear teeth and make necessary adjustment as
described in illustration if the contact is
abnormal.
425RS038
Legend
(1) Heel
(2) Toe
(3) Concave Side(Coast)
(4) Convex Side(Drive)
![](/vehicle/goneen/quin/zou/iew.png)
DIFFERENTIAL (FRONT)
4A1–20
425RS039
18. Install differential assembly.
1. Clean the faces of the front axle case and
differential carrier.
Apply Three Bond TB1215 or equivalent to the
sealing side of the axle case and the carrier.
2. Attach the differential case and the carrier
assembly to the front axle case and tighten the
nuts and bolts.
Torque: 25 N·m (2.5kg·m/19 lb ft)
415RS014
3. Fill the axle case with hypoid gear lubricant, to just
below the filler hole.
Lubricant capacity: 1.4 liter(1.2 Imp qt/1.5 US qt)
19. Install damper.
1. Clean the faces and bolt thread hole of differential
carrier.
2. Install the bracket with new bolts.
3. Install the damper to the bracket with new bolts.
Torque: 25 N·m (2.5kg·m/19 lb ft)
425RW042
![](/vehicle/goneen/quin/zou/pri.png)
4A1–21
DIFFERENTIAL (FRONT)
Differential Cage Assembly
Disassembled View
415RS015
Legend
(1) Pinion Gear
(2) Thrust Washer
(3) Side Gear
(4) Cross Pin
(5) Ring Gear
(6) Bolt
(7) Differential Cage
(8) Lock Pin
Disassembly
1. Remove bolt.
2. Remove ring gear.
3. Remove lock pin, break staking on the lock pin, using
a 5 mm (0.20 in) diameter drill.
425RS042
![](/vehicle/goneen/quin/zou/ttwnun.png)
DIFFERENTIAL (FRONT)
4A1–22
4. Remove the cross pin, using a soft metal rod and a
hammer.
425RS043
5. Remove pinion gear.
6. Remove side gear.
7. Remove thrust washer.
Inspection and Repair
Make necessary correction or parts replacement if wear,
damage, corrosion or any other abnormal conditions are
found through inspection.
Check the following parts:
1. Ring gear, pinion gear
2. Bearing
3. Side gear, pinion gear, cross pin
4. Differential cage, carrier
5. Thrust washer
6. Oil seal
Ring gear replacement:
1. The ring gear should always be replaced with the
drive pinion as a set.
2. Clean the ring gear threaded holes to remove the
locking agent.
3. When installing the ring gear, apply LOCTITE 271 or
equivalent to all the threaded area and half of the
unthreaded area of the bolt.
4. Discard used bolts and install new ones.
Torque: 108 N·m (11kg·m/80 lb ft)
5. Tighten the fixing bolts in a diagonal sequence as
illustrated.
415RS016
Clearance between the differential pinion
and the cross pin measurement:
Standard: 0.06 – 0.12 mm (0.002–0.005 in)
Limit: 0.2 mm (0.008 in)
425RS045
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