Isuzu Trooper (2000 year). Manual - part 424

MANUAL TRANSMISSION

7B–25

20. Remove the top gear shaft.

1. Remove the top gear shaft from mainshaft.

NOTE: Don’t fall needle roller bearing.

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2. Remove the 4th block ring and roller bearing.

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21. Disassemble the top gear shaft assembly.

1. Check for wear or damage.

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2. Remove the front bearing shaft snap ring.

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7B–26 MANUAL TRANSMISSION

3. Using bearing separator J–22912–01 and a

press, remove the bearing.

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22. Remove the mainshaft.

1. Remove mainshaft bearing snap ring.

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2. Using a plastic hammer, tap the 5th-reverse shift

rod at the reverse shift side.

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3. Remove the intermediate plate from a vise.

4. Remove the mainshaft, 1st-2nd shift arm and

3rd-4th shift arm.

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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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