Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Service manual — part 1798
UNIT REPAIR (JR405E) 7A4-59
18CASE-AY43
•
Use a pin punch to drive the manual plate spring pin into
place.
21CASE-AY48
3. Detent spring
•
Install the detent spring and tighten the fixing bolt to the
specified torque.
Torque: 7 N
⋅⋅⋅⋅
m (61 Ib
⋅⋅⋅⋅
in)
23CASE-AY53
4. Harness assembly
•
Apply automatic transmission fluid to the new O-ring and
install them to the harness assembly.
•
Install the harness assembly to the transmission case.
Tighten the fixing bolt to the specified torque.
Torque: 6 N
⋅⋅⋅⋅
m (52 Ib
⋅⋅⋅⋅
in)
24ASSY003
5. Low one-way clutch inner race
•
Install new seal rings to the low one-way clutch inner
race.
25ASSY126
•
Measure the gap between the seal ring and the ring
groove.
If the measured valve is outside the specified range the
low one-way clutch inner race must be replaced.
Sealing ring and ring groove gap:
0.10~0.25 mm (0.0004~0.001 in)
7A4-60 UNIT REPAIR (JR405E)
26L&R01
6. Low and reverse brake piston
•
Install new seal rings to the low and reverse piston.
27ASSY004
•
Install the low and reverse brake piston to the
transmission case.
28ASSY005
7. Return spring
•
Install the return spring to the low and reverse brake
piston.
29ASSY006
8. Low one-way clutch inner race
•
Install the low one-way clutch inner race to the
transmission case.
•
Temporarity tighten the 7 fixing bolts.
31ASSY074
•
Tighten each of the bolts a little at a time to the
specified torque.
Be sure that the return spring and the low one-way
clutch inner race installation position does not change
as you tighten the bolts.
Torque: 24 N
⋅⋅⋅⋅
m (17 Ib
⋅⋅⋅⋅
ft)
UNIT REPAIR (JR405E) 7A4-61
32ASSY007
9. Dish plate, driven plate, drive plate, and retaining plate
(low and reverse brake)
•
Install the dish plate (1) followed by the 6 driven plates
(2) and drive plates (3) sets.
33ASSY008
34ASSY009
35N-SPG02
•
Install the N-type spring.
7A4-62 UNIT REPAIR (JR405E)
249L300004
36ASSY10
•
Install the retaining plate (4).
37ASSY011
•
Install the snap ring.
38L&R03
•
Force compressed air (392 kPa/4.0 kg/cm
2
) through the
oil passages of the transmission case to check low and
reverse brake operation.
If the low and reverse brake does not operate, check
the seal rings for damage and replace if necessary. Also
check that no parts have been installed out of place.
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