Page 4821 of 6020
CLUTCH 7C-43
1. CLUTCH SLIPPAGE
Checkpoint Problem Countermeasure
Adjust the push rod play
No push rod play in the master
cylinder
NG
Clutch pedal free play
Clean the related parts and/or
replace the facing
Replace the transmission front
cover oil seal
Clean the related parts and/or
replace the facing
Repair or replace the
transmission front cover
Defective transmission front
cover oil seal
Continued on the next page
Grease or oil adhering to the
facing
Too much grease
Transmission front cover
unevenly worn
Release bearing
NG
NG
NG
OK
OK OK
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ISUZU KB P190 2007
Page 4822 of 6020
7C-44 CLUTCH
Checkpoint Problem Countermeasure
Replace the release bearingRelease bearing broken
Clean the related parts and/or
replace the facing
Replace the crankshaft rear oil
seal
Defective crankshaft rear oil
seal
NG
NG
OK
OKGrease or oil adhering to the
facing
Clutch diaphragm springReplace the clutch pressure
plate assemblyW eak or broken clutch
diaphragm spring
Replace the driven plate
assemblyWorn facing
NG
NG
OKFacing
Continued from the previous page
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ISUZU KB P190 2007
Page 4825 of 6020

CLUTCH 7C-47
3. CLUTCH SHUDDER
Checkpoint Problem Countermeasure
Grease or oil adhering to the
facing
Clean the related parts and/or
replace the facing
Replace the transmission front
cover oil seal
Replace the pressure plate
assembly
Defective transmission front
cover oil seal
Pressure plate unevenly wornPressure plate
Clean the related parts and/or
replace the facing
Tighten the connections
Repair or replace the
applicable parts
Too much grease
Poorly connected components
causing looseness and
abrasion
OK
NG
NG
NG
NG
OK
Power train
Clean and grease the spline
contact surface
Insufficient grease on the
spline contact surface of the
splined hub
Driven plate
Clean or repair the top gear
shaft spline
Replace the top gear shaft
Clean the related parts and/or
replace the facing
Replace the crankshaft rear oil
seal
Corrosion or step wear on the
top gear shaft spline
Defective crankshaft rear oil
seal
OK NG
NG
NG
OK
Continued on the next page
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ISUZU KB P190 2007
Page 4828 of 6020
7C-50 CLUTCH
5. OIL LEAKAGE
Checkpoint Problem Countermeasure
Replace the body sub
assembly
W eak or damaged piston cup
NG
Tighten the oil pipe
Tighten the oil pipe connection
Tighten the fluid pipe and/or
hose connections
Fluid reservoir
Loosely connected oil pipe
Loosely connected oil pipe
Master cylinder fluid pipe and
hose
Loosely connected fluid pipe
and/or hose
Slave cylinder oil pipe
Replace the piston cup
Slave cylinder
W eak or damaged piston cup
NG
NG
NG
NG
OK
OK
OK
OK
Master cylinder
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ISUZU KB P190 2007
Page 4831 of 6020

TRANSFER CASE 7D-1
SECTION 7D
TRANSFER CASE
TABLE OF CONTENTS
PAGE
Service Precaution ......................................................................................................... 7D – 2
General Description ........................................................................................................ 7D – 3
On-Vehicle Service ......................................................................................................... 7D – 4
Transfer Case Oil Level ............................................................................................... 7D – 4
Transfer Case Oil Change ........................................................................................... 7D – 5
Transfer Case Front Oil Seal ...................................................................................... 7D – 6
Transfer Case Rear Oil Seal ........................................................................................ 7D – 9
Transfer Case Assembly ................................................................................................ 7D – 11
Transfer Case Assembly and Associated Parts ........................................................ 7D – 11
Removal ....................................................................................................................... . 7D – 12
Installation .................................................................................................................. .. 7D – 12
Transfer Control Unit ...................................................................................................... 7D – 16
Removal ....................................................................................................................... . 7D – 17
Installation .................................................................................................................. .. 7D – 17
Transfer Disassembly .................................................................................................... 7D – 18
Removal ....................................................................................................................... . 7D – 18
Inspection and Repair ................................................................................................. 7D – 27
Inspection and Repair (Transfer Case Assembly) .................................................... 7D – 27
Reassembly .................................................................................................................. 7 D – 31
Main Data and Specifications ........................................................................................ 7D – 41
Special Tools ................................................................................................................ 7D – 44
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Page 4834 of 6020
7D-4 TRANSFER CASE
On-Vehicle Service
Transfer Case Oil Level
RTW 67DMF000101
Legend
(1) Transfer Case
(2) Filler Plug and O-ring
Removal
1. Disconnect the battery ground cable.
2. Rise and support the vehicle with suitable stands.
3. Remove the filler plug and O-ring.
4. Check the oil level reaches the filler hole.
5. If the oil level is low, fill the transfer oil (5W -30) o
r
equivalent to the transfer through the filler hole.
Installation
1. Replace the filler plug and O-ring tighten it to the
specified torque.
Filler plug torque: 39 N ⋅
⋅⋅
⋅
m (4.0 kgf ⋅
⋅⋅
⋅
m/29 lb ⋅
⋅⋅
⋅
ft)
2. Lower the vehicle to the ground.
3. Connect the battery ground cable.
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ISUZU KB P190 2007
Page 4835 of 6020

TRANSFER CASE 7D-5
Transfer Case Oil Change
RTW 67DMF000201
Legend
(1) Transfer Case
(2) Drain Plug and O-ring
(3) Filler Plug and O-ring
Removal
1. Disconnect the battery ground cable.
2. Rise and support the vehicle with suitable stands.
3. Place a suitable sized drain tray under the transfe
r
case.
4. Remove the drain plug and O-ring drain the transfe
r
case oil.
5. Remove the filler plug.
Installation
1. Replace the drain plug and O-ring to the transfer case
and tighten it to the specified torque.
Drain plug torque: 39 N ⋅
⋅⋅
⋅
m (4.0 kgf ⋅
⋅⋅
⋅
m/29 lb ⋅
⋅⋅
⋅
ft)
2. Fill the specified volume of the transfer oil (5W -30) o
r
equivalent to the transfer case through the filler hole.
Transfer oil volume: 1.3 lit. (1.37 US qt)
3. Replace the filler plug and O-ring tighten it to the specified torque.
Filler plug torque: 39 N ⋅
⋅⋅
⋅
m (4.0 kgf ⋅
⋅⋅
⋅
m/29 lb ⋅
⋅⋅
⋅
ft)
4. Lower the vehicle to the ground.
5. Connect the battery ground cable.
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ISUZU KB P190 2007
Page 4836 of 6020
7D-6 TRANSFER CASE
Transfer Case Front Oil Seal
Transfer Front Oil Seal and Associated Parts
RTW 67DMF000301
Legend
(3) O-ring
(1) Front Propeller Shaft (4) Output Flange
(2) End Nut (5) Front Oil Seal
Removal
1. Disconnect the battery ground cable.
2. Raise and support the vehicle with suitable stands.
3. Place a suitable sized drain tray under the transfe
r
case.
4. Remove the drain plug and drain the transfer case oil.
5. Remove the filler plug.
6. Remove the front propeller shaft.
7. Use a flange holder (5-8840-0133-0) to remove the end nut from the front output shaft then remove the
O-ring and the output flange.
8. Remove the front oil seal from the front cover.
RTW 77DSH000201
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ISUZU KB P190 2007