Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Service manual — part 948
MANUAL TRANSMISSION
7B–27
23. Disassemble the main shaft assembly.
1. Inspect each gear thrust clearance.
1. Using thickness gauge, inspect thrust
clearance (1st gear, 3rd gear).
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2. Mount the mainshaft through the aluminum
plate in a vise.
3. Using a dial indicator, measure each gear
thrust clearance.
Gear
Standard Clearanse
1st
0.15 – 0.45 mm (0.0059 – 0.0177 in)
2nd
0.10 – 0.25 mm (0.0039 – 0.0098 in)
3rd
0.10 – 0.25 mm (0.0039 – 0.0098 in)
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2. Inspect each gear radial clearance.
1. Using a dial indicator, measure the radial
clearance of each gear.
Gear
Standard Clearanse
1st
0.020 – 0.074 mm (0.00078 – 0.00291 in)
2nd
0.015 – 0.068 mm (0.00059 – 0.00268 in)
3rd
0.015 – 0.068 mm (0.00059 – 0.00268 in)
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3. Using 2 screwdrivers and hammer, tap out the
snap ring.
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7B–28 MANUAL TRANSMISSION
4. Using bearing separator J–22912–01 and a
press, remove the following parts.
1. 5th gear (1).
2. Mainshaft bearing (2).
3. 1st gear thrust washer (3).
4. 1st gear (4).
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5. Remove following parts from mainshaft.
1. Synchronizer assembly (1).
2. 1st gear thrust washer pin (3).
3. 1st gear needle roller bearing (4).
4. 1st gear bearing spacer (2).
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6. Using 2 screwdrivers and hammer, tap out snap
ring.
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7. Using bearing separator J–22912–01 and a
press, remove the following parts.
1. Clutch hub No.1 assembly (1).
2. Synchronizer assembly (2).
3. 2nd gear (3).
4. 2nd gear needle roller bearing (4).
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MANUAL TRANSMISSION
7B–29
8. Remove the reverse gear from clutch hub No.1.
9. Remove the 3 inserts and 3 compression springs.
D
When removing the inserts, push the insert
spring with a screwdriver.
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10. Remove the snap ring.
NOTE: Don’t damage the bearing surface.
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11. Using a press, remove following parts.
1. Clutch hub No.2 assembly (1).
2. 3rd block ring (2).
3. 3rd gear (3).
4. 3rd gear needle roller bearing (4).
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12. Using screwdriver, remove the 2 insert springs,
hub sleeve No.2, clutch hub No.2 and 3 inserts.
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7B–30 MANUAL TRANSMISSION
24. Remove the shift parts and interlock parts.
1. Mount the intermediate plate through the
aluminum plate in a vise.
2. Using a plastic hammer, tap the 5th shift rod on
the neutral.
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3. Using a torx socket wrench(T40), remove the 4
plugs.
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4. Using a magnetic finger, remove 3 springs and
balls.
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5. Using 2 screwdrivers and a hammer, remove 2
snap rings from each shift fork rod.
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