Page 4609 of 6020

MANUAL TRANSMISSION 7B1-3
Service Precaution
WARNING: THIS VEHICLE HAS A SUPPLEMENTAL
RESTRAINT SYSTEM (SRS). REFER TO THE SRS
COMPONENT AND WIRING LOCATION VIEW IN
ORDER TO DETERMINE WHETHER YOU ARE
PERFORMING SERVICE ON OR NEAR THE SRS
COMPONENTS OR THE SRS WIRING. WHEN YOU
ARE PERFORMING SERVICE ON OR NEAR THE
SRS COMPONENTS OR THE SRS WIRING, REFER
TO THE SRS SERVICE INFORMATION. FAILURE TO
FOLLOW WARNINGS COULD RESULT IN POSSIBLE
AIR BAG DEPLOYMENT, PERSONAL INJURY, OR
OTHERWISE UNNECESSARY SRS SYSTEM
REPAIRS.
CAUTION: Always use the correct fastener in the
proper location. When you replace a fastener, use
ONLY the exact part number for that application.
ISUZU/GM will call out those fasteners that require a
replacement after removal. ISUZU/GM will also call
out the fasteners that require thread lockers o
r
thread sealant. UNLESS OTHERWISE SPECIFIED,
do not use supplemental coatings (paints, greases,
or other corrosion inhibitors) on threaded fasteners
or fastener joint interfaces. Generally, such coatings
adversely affect the fastener torque and the joint
clamping force, and may damage the fastener.
When you install fasteners, use the correct
tightening sequence and specifications. Following
these instructions can help you avoid damage to
parts and systems.
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ISUZU KB P190 2007
Page 4610 of 6020
7B1-4 MANUAL TRANSMISSION
General Description
MUA5G/5H/5S Transmission (4×
××
×
2)
A07R300006
The MUA5G/5H/5S is a constant mesh transmission,
synchronized in all speeds. The transmission has been
designed to provide low shift effort and low gear noise.
Principle parts of the transmission are the integral clutch
housing, the intermediate plate, the rear cover, and the
gears.
The transmission control box is built into the
transmission.
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ISUZU KB P190 2007
Page 4611 of 6020
MANUAL TRANSMISSION 7B1-5
Rear Oil Seal
Disassembled View
220R300030
Legend
(1) Rear Propeller Shaft (2) Rear Oil Seal
Removal
1. Raise and support the vehicle with suitable jack
stands.
2. Remove the propeller shaft flange yoke bolts and nuts at the differential side.
3. Remove center bearing from the crossmember.
4. Remove prepeller shaft from the transmission main shaft spline.
Refer to the section “Rear Propeller Shaft”.
5. Use a screwdriver to pry the rear oil seal from the rear cover.
Installation
1. Install a new oil seal using the installer 5-8522-0050- 0.
220RS044
2. Insert the splined yoke into the transimission
mainshaft spline.
3. Install the propeller shaft flange yoke to the drive pinion flange.
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ISUZU KB P190 2007
Page 4612 of 6020
7B1-6 MANUAL TRANSMISSION
Torque : 63 N⋅
⋅⋅
⋅
m (6.4 kgf ⋅
⋅⋅
⋅
m/46 lb ⋅
⋅⋅
⋅
ft)
4. Install center bearing on crossmember.
Torque : 69 N ⋅
⋅⋅
⋅
m (7.0 kgf ⋅
⋅⋅
⋅
m/51 lb ⋅
⋅⋅
⋅
ft)
5. Check transmission fluid level.
6. Lower the vehicle.
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ISUZU KB P190 2007
Page 4613 of 6020
MANUAL TRANSMISSION 7B1-7
Transmission (4×
××
×
2)
Disassembled View
RTW 77BLF003201
Legend
(1) Gear Control Lever Knob (9) Slave Cylinder
(2) Rear Floor Console (bucket seat) (10) Nut: rear mount to Crossmember
(3) Front Floor Console (11) Transmission Crossmember
(4) Grommet Assembly (12) Nut: rear mount to transmission
(5) Gear Control Lever (13) Rear Mount Rubber
(6) Rear Propeller Shaft (14) Starter (Diesel engine only)
(7) Exhaust Pipe Nut (Diesel engine only) (15) Transmission Retaining Nut and Bolt
(8) Fuel Pipe Bracket (16) Transmission Assembly
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ISUZU KB P190 2007
Page 4614 of 6020
7B1-8 MANUAL TRANSMISSION
Removal
1. Disconnect the battery ground cable.
2. Remove the gear control lever knob.
3. Remove the rear floor console. (Bucket seat)
Refer to the section “Floor Console”.
4. Remove the front floor console.
Refer to the section “Floor Console”.
745R300006
Legend
(1) Knob
(2) Rear Floor Console
(3) Front Floor Console
5. Remove the grommet assembly.
RTW 47BMH000101
Legend
(1) Grommet Assembly
(2) Floor Panel
(3) Front
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ISUZU KB P190 2007
Page 4615 of 6020
MANUAL TRANSMISSION 7B1-9
6. Remove the gear control lever.
7. Raise and support the vehicle with suitable stands.
8. Remove the rear propeller shaft.
NOTE: Apply alignment marks on the flange at the
differential side.
401RS023
9. Loosen the front exhaust pipe fixing nuts at the engine side but do not remove them. (Diesel engine
only)
RTW 67BSH000101
10. Disconnect the harness connectors and clips on the
transmission.
• Neutral Switch
• Back up Switch
• Car Speed Sensor
11. Remove the fuel pipe bracket with pipes from the transmission.
Diesel engine
220R300012
Legend
(1) Bolt
(2) Nut
(3) Fuel Pipe Assembly
C24SE
Scan-1
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ISUZU KB P190 2007
Page 4616 of 6020
7B1-10 MANUAL TRANSMISSION
12. Remove slave cylinder and put it aside.
Diesel engine
220LV019
13. Support the transmission with a transmission jack.
220RS001
14. Remove engine rear mount nuts fixing on cross
member, from the transmission crossmember.
15. Remove engine rear mount nuts fixing on the
transmission.
220R300029
Legend
(1) Transmission
(2) Nut: rear mount to transmission
(3) Rear Mount Rubber
(4) Nut: rear mount to crossmember
(5) Transmission Crossmember
16. Remove the middle part of the transmission crossmember by removing four fixing bolts and nuts.
501R300008
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ISUZU KB P190 2007