Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Service manual — part 942
MANUAL TRANSMISSION
7B–3
Diagnosis
Condition
Possible cause
Correction
Abnormal noise
Flywheel pilot bearing worn
Replace
Bearings worn or broken (Mainshaft,
counter shaft, and transfer shaft)
Replace
Gear tooth contact surfaces worn or
scuffed (Mainshaft, counter shaft,
reverse idler gear and transfer gears)
Replace
Splines worn (Mainshaft,
synchronizer clutch hub)
Replace
Gear or bearing thrust face seized
Replace
Lack of backlash between meshing
gears
Replace
Hard Shifting
Improper clutch pedal free play
Readjust
Change lever sliding portions worn
Repair or replace
Regrease
Shift block, shift rod and/or control
box sliding faces worn
Replace
Shift arm and synchronizer sleeve
groove worn
Replace worn parts
Thrust washer, collar, and/or gear
thrust faces worn (Mainshaft and
counter shaft thrust play)
Replace worn parts
Synchronizer parts worn
Replace
Walking or Jumping out of gear
Detent ball worn
Replace
Detent spring weakened or broken
Replace
Shift rod and/or control box sliding
faces worn
Replace
Shift arm and synchronizer sleeve
groove worn
Replace worn parts
Thrust washer, collar, and/or gear
thrust faces worn (Mainshaft and
counter shaft thrust play)
Replace worn parts
Bearings worn or broken
Replace
Splines worn (Mainshaft,
synchronizer hub)
Replace
Synchronizer spring weakened or
broken
Replace
Oil leakage
Loose drain plug(s) and/or filler
plug(s)
Tighten
Replenish oil
Defective or improperly installed
gasket(s)
Replace
Oil seal worn or scratched
Replace
7B–4
MANUAL TRANSMISSION
Manual Transmission Assembly
Removal
NOTE: Before remove the transmission and transfer
assembly from the vehicle, change the transfer mode to
2WD using push button on dash panel.
1. Remove engine hood.
2. Disconnect battery ground cable.
3. Remove the gear control lever knob.
4. Remove the front console assembly.
5. Remove the grommet assembly.
6. Remove the transmission control lever and transfer
control lever.
235RX001
7. Remove transfer protector.
8. Remove the rear propeller shaft.
NOTE: Apply alignment marks on the flange at the both
front and rear side.
401RS002
9. Remove the front propeller shaft.
NOTE: Apply alignment marks on the flange at both the
front and rear sides.
401RS003
10. Disconnect the reverse lamp switch, 4WD indicator
switch, and 1-2 indicator switch harness connectors.
230RW005
MANUAL TRANSMISSION
7B–5
11. Disconnect the speed sensor and 2WD-4WD
actuator harness connectors.
225RW007
12. Disconnect the 4WD indicator harness connector.
220RW006
13. Remove two transmission harness clamps from the
transmission case and bracket .
220RS028
14. Remove four fuel pipe bracket.
7B–6
MANUAL TRANSMISSION
141RW024
15. Remove the heat protector.
225RW006
16. Remove the slave cylinder.
206RW002
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