Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Manual — part 1600
7B–36
MANUAL TRANSMISSION
Disassembly
1. Use a pair of snap ring pliers to remove the bearing
snap ring(1). (4X2)
2. Set the bearing remover J–37217 and puller J–37487
to the bearing and the mainshaft end to remove ball
bearing(2). (4X2)
262RW033
3. Remove bearing snap ring(3), speedometer drive
gear(4), clip(5), retainer snap ring(6) and retainer(7).
(4X2)
4. Set the retaining ring remover J–37222 and puller
J–37487 to the retainer(7) and the mainshaft end.
(4X4)
262RW031
5. Remove the retainer(7) together with the bearing(2)
and the oil seal collar(1). (4X4)
The universal puller may be used in place of the
retaining ring remover.
6. Remove thrust plate(8) and thrust washer and lock
ball(9).
7. Use a pair of snap ring pliers to remove reverse idler
gear snap ring(10).
226RS004
8. Remove the reverse idler gear assembly(11) from the
intermediate plate(30).
226RS005
9. Remove idle shaft pin(12), thrust washer(13), reverse
idler gear(14), and reverse idler shaft(15).
10. Use a pair of snap ring pliers to remove the snap
ring(16).
MANUAL TRANSMISSION
7B–37
11. Attach the bearing remover to the counter gear shaft.
Use the bearing remover to remove the ball
bearing(17) and the counter 5th gear(18).
226RS006
12. Remove counter reverse gear(19).
13. Remove 5th gear(20), 5th block ring(21), and needle
bearing (2 piece type) (22).
226RS007
14. Engage the 3rd–4th synchronizer with the 3rd gear.
Engage the 1st–2nd synchronizer with the 1st gear.
Attach the holding fixture J–37224 and base
J–3289–20 to the mainshaft and the counter gear.
226RS008
Use the mainshaft nut wrench J–37219 to remove the
mainshaft nut(23).
226RS009
7B–38
MANUAL TRANSMISSION
15. Use pry bars between the reverse gear(26) and
bearing plate(28) to remove the Rev–5th
synchronizer assembly(24) together with reverse
block ring(25) and reverse gear(26).
226RS010
16. Remove needle bearing(27).
17. Use the torx bit wrench J–37225(T45) to remove the
bearing plate and screw(28) from the intermediate
plate.
220RS014
18. Use the snap ring pliers(2) to remove the mainshaft
bearing snap ring(1) (29).
226RS011
19. Hold the snap ring open with the pliers.
Push the intermediate plate(30) toward the rear of the
transmission to remove it.
The bearing snap ring will come free.
Inspection and Repair
Refer to Top Gear Shaft, Main Gear Shaft, and Counter
Gear in this section for inspection and repair.
Reassembly
1. Mesh the counter gear with the mainshaft assembly.
Install the holding fixture J–37224 and base
J–3289–20 to the mainshaft and the counter gear.
226RS012
MANUAL TRANSMISSION
7B–39
2. Place the holding fixture (with the mainshaft and the
counter shaft) in a vise.
Install the intermediate plate(30).
3. Install bearing snap ring(29).
4. Apply recommended thread locking agents
(LOCTITE 242) or its equivalent to each of the
bearing plate screw threads.
Install bearing plate and screw(28).
Tighten the screws to the specified torque by using
torx bit wrench J–37225.
Torque: 15 N·m (11 lb ft)
220RS014
5. Install needle bearing(27), reverse gear(26), and
reverse block ring(25).
6. Assemble rev–5th synchronizer assembly(24) by
performing the following steps.
1. Turn the clutch hub face(1) toward the sleeve
groove(2) (rear side) on the outer circumference.
2. Check that the inserts(3) fit snugly into the block
ring insert grooves.
3. Check that the inserts springs(4) are fitted to the
inserts as shown in the illustration.
4. Check that the clutch hub(5) and the sleeve(6)
slide smoothly.
5. Install the synchronizer assembly to the
mainshaft.
The clutch hub face (with the heavy boss) must be
facing the reverse gear side.
226RS013
226RS049
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