check oil ISUZU KB P190 2007 Workshop Service Manual

4B-54 REAR AXLE
3) Axle Case to Inside Brake Drum Leakage

Checkpoint Trouble Cause Countermeasure

Replace the oil sealW orn or defective oil seal
NGOil seal



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ISUZU KB P190 2007

4C1-16 FRONT WHEEL DRIVE
6. Using snap ring pliers, remove the snap ring (1) fastening
the ball retainer to the center shaft.
7. Remove ball retainer, ball guide and bellows.


8. Use a hammer and chisel to remove the 3 pawls (above
the large and small boot bands on the UJ side).
CAUTION :
Take care not to damage the bellows during band removal.



9. Remove band (1).
10. Remove bellows.
11. Remove dust seal from UJ.
12. Remove UJ shaft assembly.
13. Remove the mounting bracket fixing bolts, and then remove DOJ case assembly from the axle case.
14. Remove snap ring and bearing.
15. Remove snap ring and oil seal.
16. Remove bracket.


Inspection and Repair
Make necessary correction or parts replacement if wear,
damage, corrosion or any other abnormal condition are found
through inspection.
Check the following parts.
1. Drive shaft joint assembly
2. DOJ case, ball, ball guide, ball retainer
3. Bellows
4. Bearing
5. Dust seal, oil seal


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ISUZU KB P190 2007

FRONT WHEEL DRIVE 4C1-25
Inspection and Repair
Make all necessary adjustments, repairs, and part replacements if wear, damage, or other problems are discovered
during inspection.


• Ring gear, pinion gear
• Bearing
• Side gear, pinion gear, cross pin
• Differential cage, carrier
• Thrust washer
• Oil seal


Visual Check
Inspect the following parts for wear, damage, or other
abnormal conditions.



Ring Gear Replacement
(1) The ring gear should always be replaced with the drive pinion as a set.
(2) W hen installing the ring gear, apply LOCTITE 271 o
r
equivalent to the threaded hole and bolt.
(3) Tighten the fixing bolts in a diagonal sequence as illustrated.
(4) Discard used bolts and install new ones.
Bolt Torque N⋅m (kgf ⋅m/lb ⋅ft)
108 ± 9.8 (11 ± 1/79.6 ± 7.2)




Clearance Between the Differential Pinion
and the Cross Pin
mm(in)
Standard Limit
0.05 - 0.10 (0.002 - 0.004) 0.2 (0.008)



Clearance Between the Side Gear and the
Differential Box
mm(in)
Standard Limit
0.03 - 0.10 (0.001 - 0.004) 0.15 (0.006)

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ISUZU KB P190 2007

FRONT WHEEL DRIVE 4C1-41
Inspection and Repair
Make necessary correction or parts replacement if wear, damage or any other abnormal conditions are found
through inspection.
For inspection and servicing of disc caliper, and relative parts, and ABS parts, refer to section 5 Brakes.



• Hub
• Hub bearing
• Bearing outer race
• Disc
• Oil seal
• Knuckle spindle
• ABS sensor rotor
• Caliper



Visual Check
Check the following parts for wear, damage or other abnormal
conditions.



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ISUZU KB P190 2007

4C1-44 FRONT WHEEL DRIVE



(2) Install the outer and inner bearing into the hub with fingers.




(3) Install oil seal using special tools.
Discard the used oil seal and install a new one.
Installer : 5-8840-2853-0
Grip : 5-8840-0007-0



Hub cap Hub

6. Hub and Disc Assembly
12. Hub Cap
Apply grease in the hub and hub cap.
Description Amount g(oz)
Hub 50 (1.77)
Hub cap 20 (0.71)
Outer bearing 6.5 (0.23)
Inner bearing 12 (0.42)




9. Hub nut
Adjustment of front wheel hub bearing preload
1. Tighten spindle nut to 29 N ⋅m (3.0 kgf·m/22 lb ⋅ft) torque.
2. Turn the hub 2-3 turns and loosen the nut just enough so that it can be turned with the fingers.
3. Turn the nut all the way in with the fingers and check to be sure the hub has no free play.
4. Measure the bearing preload by pulling one of the wheel hub studs with a spring scale.
5. Tighten the spindle nut until specified bearing preload Is obtained.
6. Install the split pin in the nut retainer.
Discard the used split pin and install a new one.
After reassembling, install the disc brake caliper assembly.
Bearing Preload N (kgf/lb)
New bearing and New oil seal 9.3 - 13.3
(0.95 - 1.36 / 2.09 – 3.00)
Reuse bearing and New oil seal 9.3 - 13.3
(0.95 - 1.36 / 2.09 – 3.00)

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ISUZU KB P190 2007

4C1-48 FRONT WHEEL DRIVE
Inspection and Repair
Make necessary correction or parts replacement if wear, damage or any other abnormal conditions are found
through inspection.
For inspection and servicing of disc caliper, and relative parts, and ABS parts, refer to Section Brakes.



• Hub
• Hub bearing, oil seal
• Knuckle spindle
• Disc
• Caliper
• ABS sensor rotor
• Cap, Hub flange (4×4 model only),
Shim (4×4 model only), Snap ring (4×4
model only)


Visual Check
Check the following parts for wear, damage or other abnormal
conditions.




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ISUZU KB P190 2007

4C1-56 FRONT WHEEL DRIVE
INSPECTION AND REPAIR
Make necessary correction or parts replacement if wear, damage or any other abnormal conditions are found
through inspection.
For inspection and servicing of disc caliper, and relative parts, and ABS parts, refer to Section Brakes.



• Hub
• Hub bearing, oil seal
• Knuckle spindle
• Disc
• Caliper
• ABS sensor rotor
• Cap, Hub flange, Shim, Snap ring
• Free wheeling hub parts (Option)
• Clutch, Knob, follower, inner, ring and
spring


Visual Check
Check the following parts for wear, damage or other abnormal
conditions.



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ISUZU KB P190 2007

FRONT WHEEL DRIVE 4C1-63
TROUBLESHOOTING
Refer to this Section to quickly diagnose and repair front axle problems. Each troubleshooting chart has three
headings arranged from left to right.
(1 ) Checkpoint (2) Trouble Cause (3) Countermeasure
This Section is divided into ten sub-sections:

4 × 2 Model
1. W anders and pulls
2. Front wheel shimmy

4 × 4 Model
1. Oil leak at front axle
2. Oil leak at pinion shaft
3. Noises in front axle drive shaft joint
4. Noises in front axle
5. W anders and pulls
6. Front wheel shimmy

Propeller shaft
1 . Noise
2. Vibration


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ISUZU KB P190 2007

4C1-66 FRONT WHEEL DRIVE
4× 4 MODEL
1. OIL LEAK AT FRONT AXLE

Checkpoint Trouble Cause Countermeasure

Front axle housingRepair or replaceCracked
Replace the oil sealW orn or defective oil seal
NG
NG
OKOil seal



2. OIL LEAK AT PINION SHAFT

Oil sealReplace the oil sealW orn or defective
Correct the oil levelToo much gear oil
NG
NG
OKGear oil level
Pinion flangeTighten or replaceLoose or damaged
NG
OK



3. NOISES IN FRONT AXLE DRIVE SHAFT JOINT


Replace the drive shaft joints
and bellows

Broken or worn

NG
Drive shaft joints and bellows
(UJ and DOJ)




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ISUZU KB P190 2007

FRONT WHEEL DRIVE 4C1-67
4. NOISES IN FRONT AXLE
Checkpoint Trouble Cause Countermeasure

Replenish the gear oilInsufficient gear oil
NG
Replace the wheel bearing
Replace the pinion shaft
bearing
Replace the ring gear pinion
gear or side gear
Replace the gear oil
W heel bearingWorn
Pinion shaft bearingWorn
W orn or chipped
W rong or poor grade gear oil
Ring gear, pinion gear or side
gear
Adjust the backlashDrive pinion to ring gear
backlashToo much or too little backlash
NG
NG
NG
NG
NG
OK
OK
OK
OK
Oil level
Tighten or replaceDifferential bearingLoose or worn
NG
OK



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ISUZU KB P190 2007