front differential ISUZU KB P190 2007 Workshop Repair Manual
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Page 21 of 6020

MAINTENANCE AND LUBRICATION 0B-3
I : Inspect and correct or replace as necessary A : Adjust
R : Replace or change T : Tighten to specified torque L : Lubricate
SERVICE INTERVAL: × 1,000 km 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100(Use odometer reading × 1,000 miles 3 6 9 12 15 18 21 24 27 30 33 36 39 42 45 48 51 54 57 60or months whichever
comes first)
or months 6 12 18 24 30 36 42 48 54 60 66 72 78 84 90 96 102 108 114 120
CLUTCH
Clutch fluid I I - I - I - I - I - I - I - I - I - I Clutch pedal travel and free play I I - I - I - I - I - I - I - I - I - I TRANSMISSION OR TRANSMISSION
W ITH TRANSFER CASE
* Automatic transmission fluid (HFV6)
- - I - - I - - I - - I - - I - - I - R (4JH1-TC, 4JJ1 (Standard Output),
4JJ1 (High Output)) - - - I - - - I - - - I - - - I - - - I
* Transfer case oil
- - - I - - - I - - - I - - - I - - - I * Manual transmission fluid - R - I - - - R - - - I - - - R - - - I Oil leakage I I I I I I I I I I I I I I I I I I I I Gear control mechanism for
looseness - - - I - - - I - - - I - - - I - - - I
PROPELLER SHAFT Loose connections - I - I - I - I - I - I - I - I - I - I * Universal joints and splines for wear
- I - I - I - I - I - I - I - I - I - I Universal joints and sliding sleeve
(4W D) - L - L - L - L - L - L - L - L - L - L
FRONT AND REAR AXLE * Differential gear oil (Front and rear) - R - I - - - R - - - I - - - R - - - I Oil leakage I I I I I I I I I I I I I I I I I I I I Shift on the fly system gear oil I - - I - - - I - - - I - - - I - - - I Front axle shaft boot for damage - - - I - - - I - - - I - - - I - - - I Axle shafts for distortion or damage - - - I - - - I - - - I - - - I - - - I Axle case for distortion or damage - - - I - - - I - - - I - - - I - - - I STEERING Power steering fluid I I I I I I I R I I I I I I I R I I I I Oil leakage I I I I I I I I I I I I I I I I I I I I * Steering system for looseness or
damage - I - I - I - I - I - I - I - I - I - I
Power steering hose
- I - I - I - I - I - I - I - R - I - I Steering wheel play I I I I I I I I I I I I I I I I I I I I Steering function I I I I I I I I I I I I I I I I I I I I Right and left turning radius - - - I - - - I - - - I - - - I - - - I W heel alignment - - - I - - - I - - - I - - - I - - - I Joint ball for oil leakage or damage - I - I - I - I - I - I - I - I - I - I Joint ball rubber boot for damage - I - I - I - I - I - I - I - I - I - I SERVICE BRAKES Brake fluid - - - I - - - I - - - I - - - I - - - I Brake system for fluid leakage I I I I I I I I I I I I I I I I I I I I Brake function I I I I I I I I I I I I I I I I I I I I * Rear brake lining and drum wear - I - I - I - I - I - I - I - I - I - I * Front disc brake pads and discs wear - I - I - I - I - I - I - I - I - I - I Brake pedal travel and free play I I I I I I I I I I I I I I I I I I I I Pipes and hoses loose connections
or damage I I - I - I - I - I - I - I - I - I - I
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Page 23 of 6020

MAINTENANCE AND LUBRICATION 0B-5
MAINTENANCE SCHEDULE (For EUROPE)
Items followed by an asterisk (*) require more frequent maintenance if the vehicle is driven under severe conditions.
Replace the fuel filter (**Mark) when the fuel filter indicator light is lit.
Refer to "SEVERE CONDITIONS MAINTENANCE SCHEDULE."
Diesel Engine model (ACEA B2 specification engine oil)
I : Inspect and correct or replace as necessary A : Adjust
R : Replace or change T : Tighten to specified torque L : Lubricate
SERVICE INTERVAL: × 1,000 km 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100
(Use odometer reading or × 1,000 miles 3 6 9 12 15 18 21 24 27 30 33 36 39 42 45 48 51 54 57 60
months whichever comes
first)
or months 6 12 18 24 30 36 42 48 54 60 66 72 78 84 90 96 102 108 114 120
DIESEL ENGINE * Engine oil - R - R - R - R - R - R - R - R - R - R* Engine oil filter - - - R - - - R - - - R - - - R - - - ROil leakage and contamination I I I I I I I I I I I I I I I I I I I I Idling speed and acceleration I I I I I I I I I I I I I I I I I I I I Fan belt tension and damage I I I I I I I I I I I I I I I I I I I I Exhaust system I I - I - I - I - I - I - I - I - I - I All hoses and pipes in engine
compartment for clog of damage - I I I I I I I I I I I I I I I I I I I
Valve clearance
- - - A - - - A - - - A - - - A - - - A * Air cleaner element I I I I I I I R I I I I I I I R I I I I ** Fuel filter Replace the fuel filter when the fuel filter indicator light is lit. Engine coolant concentration - I - I - I - I - I - I - I - I - I - I Cooling system for water leakage - I - I - I - I - I - I - I - I - I - I CLUTCH Clutch fluid I I - I - I - I - I - I - I - I - I - I Clutch pedal travel and play I I - I - I - I - I - I - I - I - I - I TRANSMISSION OR TRANSMISSION
W ITH TRANSFER CASE
* Manual transmission with fluid - R - I - - - R - - - I - - - R - - - I * Transfer case oil (MT) - - - I - - - I - - - I - - - I - - - I Oil leakage I I I I I I I I I I I I I I I I I I I I Gear control mechanism for
looseness - - - I - - - I - - - I - - - I - - - I
* Automatic transmission fluid - - - I - - - I - - - I - - - I - - - I * Transfer case oil (AT)
- - - I - - - - - - - I - - - - - - - I PROPELLER SHAFT Loose connections - I - I - I - I - I - I - I - I - I - I * Universal joints and splines for wear - I - I - I - I - I - I - I - I - I - I Universal joints and sliding sleeve (4W D) - L - L - L - L - L - L - L - L - L - L
FRONT AND REAR AXLE * Differential gear oil (Front and rear) - R - I - - - R - - - I - - - R - - - I Oil leakage I I I I I I I I I I I I I I I I I I I I Shift on the fly system gear oil I - - I - - - I - - - I - - - I - - - I
Front axle shaft boot for damage - - - I - - - I - - - I - - - I - - - I Axle case for distortion or damage - - - I - - - I - - - I - - - I - - - I Axle shafts for distortion or damage - - - I - - - I - - - I - - - I - - - I
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Page 25 of 6020

MAINTENANCE AND LUBRICATION 0B-7
Diesel Engine model (Engine oil that meet or exceeds ACEA B3 specification)
I : Inspect and correct or replace as necessary A : Adjust
R : Replace or change T : Tighten to specified torque L : Lubricate
SERVICE INTERVAL: × 1,000 km 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100
(Use odometer reading or × 1,000 miles 3 6 9 12 15 18 21 24 27 30 33 36 39 42 45 48 51 54 57 60
months whichever comes
first)
or months 6 12 18 24 30 36 42 48 54 60 66 72 78 84 90 96 102 108 114 120
DIESEL ENGINE * Engine oil - - - R - - - R - - - R - - - R - - - R*
Engine oil filter
- - - R - - - R - - - R - - - R - - - R
Oil leakage and contamination I I I I I I I I I I I I I I I I I I I I Idling speed and acceleration I I I I I I I I I I I I I I I I I I I I Fan belt tension and damage I I I I I I I I I I I I I I I I I I I I Exhaust system I I - I - I - I - I - I - I - I - I - I All hoses and pipes in engine
compartment for clog of damage - - - I - - - I - - - I - - - I - - - I
Valve clearance
- - - A - - - A - - - A - - - A - - - A * Air cleaner element I I I I I I I R I I I I I I I R I I I I ** Fuel filter Replace the fuel filter when the fuel filter indicator light is lit. Engine coolant concentration - - - I - - - I - - - I - - - I - - - I Cooling system for water leakage - - - I - - - I - - - I - - - I - - - I CLUTCH Clutch fluid I I - I - I - I - I - I - I - I - I - I Clutch pedal travel and play I I - I - I - I - I - I - I - I - I - I TRANSMISSION OR TRANSMISSION
W ITH TRANSFER CASE
* Manual transmission with fluid - - - R - - - I - - - R - - - I - - - I * Transfer case oil (MT) - - - R - - - I - - - R - - - I - - - I Oil leakage - - - I - - - I - - - I - - - I - - - I Gear control mechanism for
looseness - - - - - - - - - - - I - - - - - - - -
* Automatic transmission fluid - - - I - - - I - - - I - - - I - - - I * Transfer case oil (AT)
- - - R - - - I - - - R - - - I - - - R PROPELLER SHAFT Loose connections - I - I - I - I - I - I - I - I - I - I * Universal joints and splines for wear - I - I - I - I - I - I - I - I - I - I Universal joints and sliding sleeve
(4W D) - L - L - L - L - L - L - L - L - L - L
FRONT AND REAR AXLE
* Differential gear oil (Front and rear) - R - I - - - R - - - I - - - R - - - I Oil leakage I I I I I I I I I I I I I I I I I I I I Shift on the fly system gear oil I - - I - - - I - - - I - - - I - - - I Front axle shaft boot for damage - - - I - - - I - - - I - - - I - - - I Axle case for distortion or damage - - - I - - - I - - - I - - - I - - - I Axle shafts for distortion or damage - - - I - - - I - - - I - - - I - - - I STEERING Power steering fluid I I I I I I I R I I I I I I I R I I I I Oil leakage I I I I I I I I I I I I I I I I I I I I * Steering system for looseness or
damage - I - I - I - I - I - I - I - I - I - I
Power steering hose
- I - I - I - I - I - I - I - R - I - I Steering wheel play I I I I I I I I I I I I I I I I I I I I Steering function I I I I I I I I I I I I I I I I I I I I Right and left turning radius - - - I - - - I - - - I - - - I - - - I W heel alignment - - - I - - - I - - - I - - - I - - - I Joint ball for oil leakage or damage - I - I - I - I - I - I - I - I - I - I Joint ball rubber boot for damage - I - I - I - I - I - I - I - I - I - I
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Page 27 of 6020

MAINTENANCE AND LUBRICATION 0B-9
SEVERE CONDITIONS MAINTENANCE SCHEDULE (For GENERAL EXPORT)
Severe driving conditions
A : Repeated short trips
C24SE : C24SE Gasoline engine
B : Driving on rough roads
HFV6 : HFV6 Gasoline engine
C : Driving on dusty roads
G : Gasoline engine
D : Driving in extremely cold weather and/or on salted roads
4JA1-T : 4JA1-T Diesel engine
E : Towing trailer or climbing mountain frequently
4JH1-TC : 4JH1-TC Diesel engine
F : Operation in high ambient temperature conditions
4JJ1 (Standard Output):
4JJ1 Standard Output Diesel engine
4JJ1 (High Output): 4JJ1 High Output Diesel engine
D : Diesel engine
MT : Manual transmission
AT : Automatic transmission
4W D : Four wheel drive
Condition
A B C D E F A+D
Engine oil G : Change every 5,000 km (3,000 miles) or 3 month
4JA1-T : Change every 2,500 km (1,500 miles) 4JH1-TC 4JJ1 (Standard Output) 4JJ1 (High Output):
Change every 5,000 km (3,000 miles)
Engine oil filter G : Replace every 5,000 km (3,000 miles) or 3 monthD : Replace every 5,000 km (3,000 miles)
Exhaust pipes and mounting Inspect every 5,000 km (3,000 miles)
Air cleaner element
Replace every 20,000 km (12,000 miles) D : Inspect every 2,500 km (1,500 miles)
Steering system for looseness
or damage Inspect every 5,000 km (3,000 miles)
Universal joints and sleeves Inspect for wear and lubricate every 5,000 km (3,000 miles)
Transmission or transmission
with transfer case oil MTC24SE D Change every 20,000 km (12,000 miles)
after changing at initial 10,000 km (6,000 miles) MT HFV6 Change every 40,000 km (24,000 miles)
AT Transmission:
Change every 20,000 km (12,000 miles)
4W D Transfer:
Change every 20,000 km (12,000 miles)
Differential oil
Change every 20,000 km (12,000 miles)
after changing at initial 10,000 km (6,000 miles)
Front brake pads and di
scs
wear Inspect every 5,000 km (3,000 miles)
Rear brake lining and drum
wear Inspect every 5,000 km (3,000 miles)
Interval
Item
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0B-10 MAINTENANCE AND LUBRICATION
SEVERE CONDITIONS MAINTENANCE SCHEDULE (For EUROPE)
Severe driving conditions
MT : Manual transmission
A: Repeated short trips
AT : Automatic transmission
B: Driving on rough roads
4W D : Four wheel drive
C: Driving on dusty roads
D: Driving in extremely cold weather and/or on salted roads
E: Towing trailer or climbing mountein frequently
Condition
Item Interval A B C D E A+D
Engine oil Change every 5,000 km (3,000 miles)
Engine oil filter Replace every 5,000 km (3,000 miles)
Exhaust pipes and mounting Inspect every 10,000 km (6,000 miles)
Air cleaner element
Replace every 20,000 km (12,000 miles)
Steering system for looseness or
damage Inspect every 5,000 km (3,000 miles)
Universal joints and sleeves Inspect for wear and lubricate every 10,000 km (6,000 miles)
Transmission or transmission
with transfer case oil MT Change every 30,000 km (18,000 miles)
after changing at initial 10,000 km (6,000 miles)
AT
Transmission:
Inspection every 20,000 km (12,000 miles)
4W D Transfer:
Change every 30,000 km (18,000 miles)
After changing at initial 10,000 km (6,000 miles)
Differential oil
Change every 20,000 km (12,000 miles)
after changing at initial 10,000 km (6,000 miles)
Front brake pads and di
scs wear Inspect every 5, 000 km (3,000 miles)
Rear brake lining and drum wear Inspect every 5,000 km (3,000 miles)
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Page 453 of 6020

REAR AXLE 4B-9
REAR AXLE
1. Refer to Section 3E “W HEELS and TIRES” for
road wheel Disassembly procedure.
2. Refer to Section 5 “BRAKE” for rear brake removal procedure.
RTW 54BLF000401
Legend
1. Brake Drum
2. Bolt and Nut
3. Axle Shaft Assembly with Brake
4. Shim
5. Snap Ring
6. Axle Shaft
7. Retainer (with ABS)
Retainer (without ABS)
8. Double Taper Roller Bearing
9. Oil Seal
10. Bearing Holder
11. Rear Brake
12. Bolt and Nut
13. Differential Assembly
14. Rear Axle Case Assembly
15. W heel Pin
16. Axle Case Oil Seal
17. Front
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Page 505 of 6020

FRONT WHEEL DRIVE 4C1-1
SECTION 4C1
FRONT WHEEL DRIVE
TABLE OF CONTENTS
PAGE
Main Data and Specifications ........................................................................................... 4C1- 3
Special Parts Fixing Nuts and Bolts ................................................................................ 4C1- 4
Recommended Liquid Gasket .......................................................................................... 4C1- 6
Recommended Thread Locking Agents .......................................................................... 4C1- 6
Servicing ...................................................................................................................... ...... 4C1- 7
General Description .......................................................................................................... 4C 1- 8
Front Drive Axle Assembly ..............................................................................................4C1- 10 Front Drive Axle Assembly and Associated Parts ....................................................4C1- 10
Removal ........................................................................................................................ 4C1- 11
Installation ................................................................................................................... .4C1- 12
Front Axle Drive Shaft ......................................................................................................4C1 - 14
Front Axle Drive Shaft and Associated Parts ............................................................4C1- 14
Disassembly .................................................................................................................4C1 - 15
Inspection and Repair .................................................................................................4C1- 16
Bushing Replacement ................................................................................................4C1- 17
Reassembly ..................................................................................................................4C1 - 17
Standard Caulk Measure ............................................................................................4C1- 18
Differential................................................................................................................... ......4C1- 20
Disassembly .................................................................................................................4C1 - 20
Major Components ................................................................................................4C1- 20
Minor Components ................................................................................................4C1- 23
Inspection and Repair .................................................................................................4C1- 25
Reassembly .................................................................................................................4C1 - 27
Minor Components..................................................................................................4C1- 27
Major Components ..................................................................................................4C1- 29
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Page 507 of 6020

FRONT WHEEL DRIVE 4C1-3
MAIN DATA AND SPECIFICATIONS
FRONT AXLE AND DIFFERENTIAL
Ring gear size mm (in) φ
φφ
φ
194 (7.6)
Axle tube
Type It consists of the duce, a cast iron housing and the Axle tube.
Gear type Hypoid
Gear ratio (to 1) 3.583, 3.727, 3.909, 4.100, 4.300, 4.555, 4.777, 5.125
Differential type Two pinion
Specified gear oil (APL grade) GL-5
Oil capacity liter 1.4
(US/UK gal.) (0.4/0.31)
Axle shaft type Constant velocity joint (Barfield joint type and double offset joint).
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Page 509 of 6020

FRONT WHEEL DRIVE 4C1-5
FRONT DIFFERENTIAL
N⋅m (kgf ⋅m/lb ⋅ft)
RTW 440LF000901
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Page 516 of 6020

4C1-12 FRONT WHEEL DRIVE
17. Support the differential case by the jack.
18. Remove the front axle mounting bolts and nuts, lower the jack slowly. Remove the left side drive shaft end from the
knuckle, then lower the axle assembly from the vehicle.
CAUTION :
1. During the work, be sure that the axle assembly is supported securely.
2. Be careful not to damage the bellows of the power steering unit by interference.
3. Be careful not to damage the breather pipe and breather pip bracket of the shift on the fly by
interference.
Installation
1. Support the differential case by the jack.
2. Jack up the front drive axle assembly, install the left side drive shaft to the knuckle, then install the mount bolts and
nuts.
CAUTION :
1. Be careful not to damage the bellows of the power steering unit by interference.
2. Be careful not to damage the breather pipe and breather pip bracket of the shift on the fly by
interference.
3. When installing the drive shaft to the knuckle, be careful not to damage the oil seal inside of the knuckle.
RTW 34CSH000101
3. Tighten the mounting bolts and nuts to the specified torque.
Torque : 169 N·m (17.2kgf·m/124 lb·ft)
4. Install the right side knuckle with lower control arm to the
upper control arm.
Refer to Knuckle in Suspension section.
CAUTION :
When insert the drive shaft to the knuckle, be careful not
to damage the oil seal inside of the knuckle.
5.
Align the bolt hole of the lower control arm, install the bolts
and nuts.
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