Isuzu Trooper (1998-2002 year). Manual — part 750
AUTOMATIC TRANSMISSION (AW30-40LE)
7A–197
252L100017
252L100001
252L100018
252RY00009
29. Race
Coat the race with petroleum jelly and install it onto the
planetary gear.
30.OD planetary gear and OD direct clutch
Install the overdrive planetary gear and direct clutch.
31.Bearing
Coat the assembled bearing and race with petroleum jelly
and install it onto the direct clutch.
Install the (flat ring) 4.0mm (0.157 in.) thick flange with the
rounded edge side of the flange facing the disc.
Alternately install three discs and two plates. (Disc first)
Race diameter (Reference)
mm (in.)
Inside
Outside
Race
27.3 (1.075)
41.8 (1.646)
Bearing and race diameter (Reference)
mm (in.)
Inside
Outside
Bearing and
race
28.9 (1.138)
50.2 (1.976)
7A–198
AUTOMATIC TRANSMISSION (AW30-40LE)
246RY00001
252RY00014
241RY00003
Install the (stepped ring) flange with the flat side of the
flange facing the disc.
Install the snap ring.
32.Race
Coat the race with petroleum jelly and install it onto the oil
pump.
33.Oil pump
Coat the O–ring with ATF and install it around the pump
body.
Place the oil pump through the input shaft, and align the
bolt holes of the pump body with the transmission case.
Hold the input shaft, and lightly press the oil pump body to
slide the oil seal rings on the stator shaft through the direct
clutch drum.
NOTE:
Do not push on the oil pump strongly or the oil seal ring
will stick to the direct clutch drum.
Install the seven bolts.
Check input shaft rotation
Make sure the input shaft rotates smoothly.
Race diameter (Reference)
mm (in.)
Inside
Outside
Race
28.1 (1.106)
47.3 (1.862)
N·m(kg·m / lb·ft)
Torque
22 (2.2/16)
AUTOMATIC TRANSMISSION (AW30-40LE)
7A–199
REASSEMBLY OF MAJOR COMPONENTS (2)
242RY00006
Reassembly steps
▲
1. Second brake drum gasket
▲
2. Accumulator piston
▲
3. Check valve, spring
▲
4. Valve body
▲
5. Solenoid wiring
▲
6. Oil strainer assembly
▲
7. Oil pan
7A–200
AUTOMATIC TRANSMISSION (AW30-40LE)
240RY00013
240RY00014
240RY00027
Important operations
1. Second brake drum gasket
Install a new brake drum gasket to the transmission case.
Individual piston operation inspection
Check for the sound of operation while injecting
compressed air into the oil hole indicated in the figure.
NOTE:
When inspecting the direct clutch, check with the C–0
accumulator piston hole closed. If there is no noise,
disassemble and check the condition of the parts.
A : C–0 Accumulator piston hole
2. Accumulator piston
Coat the O–ring with ATF and install it to the piston.
Install the five springs and four accumulator pistons to the
bore as shown in the figure.
1: OD direct clutch
5: Second coast brake
2: Direct clutch
6. Second brake
3: Forward clutch
7. First and reverse brake
4: OD brake
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