oil OPEL FRONTERA 1998 Workshop Manual

DRIVE LINE CONTROL SYSTEM (TOD) 4B2–116
StepActionYe sNo
1Are the front and rear tires in specified size?
Go to Step 2
Replace the tires
with specified
ones, and service
the new tires.
Go to Step 16
2Is the tire pressure correct?
Go to Step 3
In flate tries to
recommended
pressure.
Go to Step 16
3Are the tires free from abnormal wear?
Go to Step 4
Replace the tires
with specified
ones, and service
the new tires.
Go to Step 16
4Are different types of tires used?
Go to Step 5
Replace the tires
with specified
ones, and service
the new tires.
Go to Step 16
51. Start the engine.
2. Shift the transfer lever to the high position and switch the 4WD
AUTO SW to 4WD position.
3. Fully turn the steering to the left (or right) end, and select the D
range and start the creep run.
Does the tight corner braking occur? Is the judder with chug-chug
sound observed? * Use caution on the operation.
Go to Step 6 Go to Step 11
61. Shift the transfer lever to the high position and switch the 4WD
AUTO SW to the 2H position.
2. Fully turn the steering to the left (or right) end, and select the D
range and start the creep run.
Does the tight corner braking occur? Is the judder with chug-chug
sound observed? * Use caution on the operation.
Go to Step 7 Go to Step 14
7Is an LSD mounted to the rear differential? Go to Step 8 Go to Step 9
8Is the genuine LSD oil used in the rear differential?
Go to Step 9
Replace the
differential oil.
Go to Step 16
9Does the engine output the power correctly?
Go to Step 10
Check the
engine.
Go to Step 16
10Do the speed sensors work correctly? (Check trouble codes.)The ECU has
failed. Replace
the ECU.
Go to Step 16
Replace the
speed sensors.
Go to Step 16
11Is the tight corner braking observed only when the brake is
applied?
Go to Step 12
Conduct full
steering under
WOT.
Go to Step 5
121. Turn on the starter switch.
Is the battery voltage observed between terminals 11 and 19?
Go to Step 13
Repair the circuit
of terminal 11
(ABS IN).
Go to Step 16

4C–1 DRIVE SHAFT SYSTEM
DRIVELINE/AXLE
DRIVE SHAFT SYSTEM
CONTENTS
Service Precaution 4C–2. . . . . . . . . . . . . . . . . . . . . .
General Description 4C–2. . . . . . . . . . . . . . . . . . . . .
Diagnosis 4C–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rear Axle Shaft 4C–4. . . . . . . . . . . . . . . . . . . . . . . . .
Rear Axle Shaft and Associated Parts 4C–4. . . .
Removal 4C–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection and Repair 4C–5. . . . . . . . . . . . . . . . . .
Oil Seal Replacement 4C–6. . . . . . . . . . . . . . . . . .
Installation 4C–6. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Special Tools 4C–8. . . . . . . . . . . . . . . . . . . . . . . . . . .
Front Hub and Disc (with Shift on the Fly) 4C–9. .
Disassembled View 4C–9. . . . . . . . . . . . . . . . . . . .
Disassembly 4C–9. . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection and Repair 4C–10. . . . . . . . . . . . . . . . . .
Reassembly 4C–11. . . . . . . . . . . . . . . . . . . . . . . . . .
Front Hub and Disc with Manual Locking Hub 4C–14
Disassembled View 4C–14. . . . . . . . . . . . . . . . . . . .
Disassembly 4C–14. . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection and Repair 4C–16. . . . . . . . . . . . . . . . . .
Reassembly 4C–16. . . . . . . . . . . . . . . . . . . . . . . . . .
Main Data and Specifications 4C–20. . . . . . . . . . . . .
Special Tools 4C–21. . . . . . . . . . . . . . . . . . . . . . . . . . .
Front Drive Shaft Joint 4C–22. . . . . . . . . . . . . . . . . . .
Front Drive Shaft Joints Replacement 4C–22. . . .
Front Axle Drive Shaft 4C–23. . . . . . . . . . . . . . . . . . .
Front Axle Drive Shaft and Associated
Parts 4C–23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Disassembly 4C–24. . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection and Repair 4C–25. . . . . . . . . . . . . . . . . .
Bushing Replacement 4C–25. . . . . . . . . . . . . . . . . . Reassembly 4C–26. . . . . . . . . . . . . . . . . . . . . . . . . .
Shift On The Fly System 4C–28. . . . . . . . . . . . . . . . .
Shift On The Fly System and Associated
Parts 4C–28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Disassembly 4C–28. . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection and Repair 4C–30. . . . . . . . . . . . . . . . . .
Main Data and Specifications 4C–35. . . . . . . . . . .
Special Tools 4C–36. . . . . . . . . . . . . . . . . . . . . . . . . .
Front Propeller Shaft 4C–37. . . . . . . . . . . . . . . . . . . . .
General Description 4C–37. . . . . . . . . . . . . . . . . . . . .
Front Propeller Shaft and Associated Parts 4C–38
Removal 4C–38. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 4C–39. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Disassembly (Except TOD 4
4) 4C–40. . . . . . . . .
Universal Joint Disassembly 4C–41. . . . . . . . . . . .
Inspection and Repair 4C–42. . . . . . . . . . . . . . . . . .
Universal Joint Reassembly 4C–45. . . . . . . . . . . . .
Reassembly (Except TOD 4
4) 4C–46. . . . . . . . . .
Main Data and Specifications 4C–47. . . . . . . . . . .
Rear Propeller Shaft 4C–48. . . . . . . . . . . . . . . . . . . . .
General Description 4C–48. . . . . . . . . . . . . . . . . . . . .
Rear Propeller Shaft and Associated Parts 4C–48
Removal 4C–49. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 4C–49. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Disassembly 4C–50. . . . . . . . . . . . . . . . . . . . . . . . . .
Universal Joint Disassembly 4C–51. . . . . . . . . . . .
Inspection and Repair 4C–52. . . . . . . . . . . . . . . . . .
Universal Joint Reassembly 4C–53. . . . . . . . . . . . .
Reassembly 4C–54. . . . . . . . . . . . . . . . . . . . . . . . . .
Main Data and Specifications 4C–55. . . . . . . . . . .

4C–3 DRIVE SHAFT SYSTEM
Diagnosis
ConditionPossible causeCorrection
Oil Leak At Front AxleWorn or defective oil seal.Replace the oil seal.
Front axle housing cracked.Repair or replace.
Oil Leak At Pinion ShaftToo much gear oil.Correct the oil level.
Oil seal worn or defective.Replace the oil seal.
Pinion flange loose or damaged.Tighten or replace.
Noises In Front Axle Drive Shaft
JointBroken or worn drive shaft joints and
bellows (BJ and DOJ).Replace the drive shaft joints and
bellows.
“Clank” When Accelerating From
“Coast”Loose drive shaft joint to output shaft
bolts.Tighten.
Damaged inner drive shaft joint.Replace.
Shudder or Vibration During
Acceleration
Excessive drive shaft joint angle.Repair.
AccelerationWorn or damaged drive shaft joints.Replace.
Sticking spider assembly (inner drive
shaft joint).Lubricate or replace.
Sticking joint assembly (outer drive
shaft joint).Lubricate or replace.
Vibration At Highway SpeedsOut of balance or out of round tires.Balance or replace.
Front end out of alignment.Align.
Noises in Front AxleInsufficient gear oil.Replenish the gear oil.
Wrong or poor grade gear oil.Replace the gear oil.
Drive pinion to ring gear backlash
incorrect.Adjust the backlash.
Worn or chipped ring gear, pinion
gear or side gear.Replace the ring gear, pinion gear or
side gear.
Pinion shaft bearing worn.Replace the pinion shaft bearing.
Wheel bearing worn.Replace the wheel bearing.
Differential bearing loose or worn.Tighten or replace.
Wanders and PullsWheel bearing preload too tight.Adjust the wheel bearing preload.
Incorrect front alignment.Adjust the front alignment.
Steering linkage loose or worn.Tighten or replace.
Steering gear out of adjustment.Adjust or replace the steering gear.
Tire worn or improperly inflated.Adjust the inflation or replace.
Front or rear suspension parts loose
or broken.Tighten or replace.
Front Wheel ShimmyWheel bearing worn or improperly
adjusted.Adjust or replace.
Incorrect front alignment.Adjust the front alignment.
Worn ball joint or bush.Replace the ball joint or bush.
Steering linkage loose or worn.Tighten or replace.
Steering gear out of adjustment.Tighten or replace.
Tire worn or improperly inflated.Replace or adjust the inflation.
Shock absorber worn.Replace the shock absorber.

4C–5 DRIVE SHAFT SYSTEM
7.Remove the parking brake cable mounting
bolts(Behind the back plate)(1).
311RS001
8. Remove the bearing holder mounting nuts.
9. Remove axle shaft assembly.
NOTE: Be sure not to damage the oil seal.
10. Remove snap ring.
11. Using a bearing remover 5–8840–2295–0 and press,
remove retainer together with the bearing holder.
420RW024
12. Remove bearing.
13. Remove bearing holder.
14. Remove back plate.15. Remove the wheel pins using a remover
5–8840–0079–0.
420RW023
Inspection and Repair
Make necessary correction or parts replacement if wear,
corrosion or any other abnormal conditions are found
through inspection.
Visual Check:
Check the following parts for wear, damage, noise or any
other abnormal conditions:
1. Axle shaft
2. Bearing
When checking the axle shaft, pay special attention to the
splined portions and replace the shaft if distortion or step
wear is noticeable. Correct slight step wear with a grinder.
420RS008

4C–6
DRIVE SHAFT SYSTEM
Axle Shaft Run–out
Limit: 1.0 mm (0.039 in)
420RW025
Axle Shaft Flange Run–out
Limit: 0.08 mm (0.003 in)
420RS010
Oil Seal Replacement
Remove the oil seal carefully not to damage the bearing
holder bore .
When installing, use oil seal installer 5–8840–2310–0.
420RW026
Installation
1. Install wheel pin.
2. Install back plate.
3. Install bearing holder.
4. Install bearing.
5. Install retainer by using a bearing installer
5–8840–2296–0, press fit together with the bearing.
420RW027
6. Install snap ring.
7. Install axle shaft assembly.
NOTE: Be sure not to damage the oil seal.
8. Tighten the bearing holder mounting nut to the
specified torque.
Torque: 74Nꞏm (7.5kgꞏm/54 Ib ft)

4C–9 DRIVE SHAFT SYSTEM
Front Hub and Disc (with Shift on the Fly)
Disassembled View
411RW001
Legend
(1) Bolt
(2) Cap
(3) Snap Ring and Shim
(4) Hub Flange
(5) Lock Washer and Lock Screw
(6) Hub Nut(7) Outer Bearing
(8) Bolt
(9) Hub and Disc Assembly
(10) Wheel Pin
(11) ABS Sensor Ring (If equipped)
(12) Inner Bearing
(13) Oil Seal
Disassembly
1. Before disassembly, select the 2WD position.
2. Jack up the front of vehicle and support frame with
jack stands.3. Remove the disc brake caliper assembly and hang it
on the frame with wires. Refer to Front Disc Brake
Caliper Assembly in Brakes section.
4. Remove bolt.
5. Remove cap.
6. Remove snap ring and shim.
7. Remove hub flange.

4C–10
DRIVE SHAFT SYSTEM
8. Remove lock washer and lock screw.
9. Use wrench 5–8840–2117–0, remove hub nut.
411RW005
10. Remove hub and disc assembly.
11. Remove ABS sensor ring (If equipped).
12. Remove outer bearing.
13. Remove oil seal.
14. Remove inner bearing.
15. Remove bolt , if necessary, replace the wheel pin in
the following manner.
Apply a scribe mark(1) to disc to hub.
Clamp the hub and disc assembly in a vise, using
protective pads. Remove the 6 disc–to–hub
retaining bolts.
411RS003
Place hub on a suitable work surface and remove
the studs by using a hammer.
411RS004
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:
Hub
Hub bearing oil seal
Knuckle spindle
Disc
Caliper
Shift on the fly system parts (Cap, Hub flange, Shim,
Snap ring)
ABS sensor ring (If equipped)
For inspection and servicing of disc caliper and related
parts, refer to Brakes section.

4C–12
DRIVE SHAFT SYSTEM
5. Apply grease (NLGI No.2 or equivalent) to the lip
portion, then install oil seal by using installer
5–8840–2120–0 and grip 5–8840–0007–0.
411RW008
6. Install ABS sensor ring, then tighten the bolts to the
specified torque.
Torque: 18 Nꞏm (1.8 kgꞏm/13 lb ft)
7. Install hub and disc assembly.
Apply grease in the hub.
Apply wheel bearing type grease NLGI No. 2 or
equivalent to the outer and inner bearing.
Grease Amount
Hub: 35 g (1.23 oz)
Outer bearing: 10 g (0.35 oz)
Inner bearing: 15 g (0.53 oz)
411RS009
Legend
(1) Inner Bearing
(2) Hub
(3) Outer Bearing
8. Install hub nut. Turn the place where there is a
chamfer in the tapped hole to the outer side, then
attach the nut by using front hub nut wrench
5–8840–2117–0.
411RW005
Preload Adjustment
1. Tighten the hub nut to 29 Nꞏm (3.0 kgꞏm/22 lb ft),
then fully loosen the nut.
2. Tighten the hub nut to the value given below,
using a spring scale on the wheel pin.
New bearing and New oil seal
Bearing Preload: 20 – 25 N (2.0–2.5 kg/4.4 –
5.5 lb)
Used bearing and New oil seal
Bearing Preload: 12 – 18 N (1.2–1.8 kg/2.6 –
4.0 lb)
If the measured bearing preload is outside the
specifications, adjust it by loosening or tightening the
bearing nut.
411RS011

4C–14
DRIVE SHAFT SYSTEM
Front Hub and Disc with Manual Locking Hub
Disassembled View
411RW009
Legend
(1) Bolt
(2) Cover Assembly
(3) Gasket
(4) Knob
(5) X–ring
(6) Detent Ball and Spring
(7) Snap Ring
(8) Clutch Assembly
(9) Compression Spring
(10) Follower
(11) Retaining Spring
(12) Snap Ring and Shim(13) Body Assembly
(14) Inner Assembly
(15) Spacer
(16) Ring
(17) Snap Ring
(18) Snap Ring
(19) Lock Washer and Lock Screw
(20) Hub Nut
(21) Hub and Disc Assembly
(22) Outer Bearing Outer Race
(23) ABS Sensor Ring (if so equipped)
(24) Inner Bearing Outer Race
(25) Oil Seal
Disassembly
1. Before disassembly, jack up the front of vehicle and
support frame with jack stands.2. Remove the disc brake caliper assembly and hang it
on the frame with wires. Refer to Front Disk Brake
Caliper Assembly in Brakes section.

4C–15 DRIVE SHAFT SYSTEM
3. Remove bolt.
Before removal, shift transfer lever into “2H” position,
set free wheeling hub knob into “FREE” position (1),
and run the vehicle about 50m (160 ft).
411RW010
4. Remove cover assembly.
5. Remove snap ring and shim.
6. Remove body assembly.
7. Remove lock washer and lock screw.
8. Remove hub nut by using wrench 5–8840–2117–0.
411RW005
9. Remove hub and disc assembly.
10. Remove ABS sensor ring (If equipped).
11. Remove outer bearing outer race.
12. Remove oil seal.13. Remove inner bearing outer race.
14. While pushing follower knob against cover, turn clutch
assembly clockwise and then remove clutch
assembly from knob.
411RW011
15. Remove gasket.
16. Remove snap ring.
17. Remove knob.
18. Remove compression spring.
19. Remove follower.
20. Remove retaining spring from clutch assembly by
turning it counterclockwise.
411RW012
21. Remove dedent ball and spring.
22. Remove X–ring.
23. Remove snap ring.
24. Remove inner assembly.
25. Remove snap ring.
26. Remove ring.
27. Remove spacer.