Opel Frontera UBS. Manual - part 984

 

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Opel Frontera UBS. Manual - part 984

 

 

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)

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

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

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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