Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Service manual — part 415
7A–73
AUTOMATIC TRANSMISSION (4L30–E)
Adapter Case Valve Body
Disassembled View
243RY001
Legend
(1) Bracket
(2) Converter Clutch PWM Solenoid
(3) Retainer
(4) Force Motor Solenoid
(5) Retainer
(6) Plug
(7) 3/4 Accumulator Valve
(8) 3/4 Accumulator Control Valve
(9) Spring
(10) Retaining Ring
(11) Feed Limit Valve
(12) Plug Retainer
(13) O–Ring
(14) Plug
(15) Force Motor Screen Assembly
(16) Adapter Case Valve Body
Disassembly
1. Remove 11mm bolt from valve body.
D
Remove bracket (1) and converter clutch PWM
solenoid (2).
2. Remove 11mm bolt and retainer (3) from valve body.
D
Remove force motor solenoid (4).
3. Remove retainer (5), plug (6), 3/4 accumulator valve
(7), and 3/4 accumulator control valve (8).
4. Remove spring (9), retaining ring (10), and feed limit
valve (11).
5. Remove plug retainer (12), O–ring (13), plug (14),
and force motor screen assembly (15).
D
Use 5 mm bolt to pull plug.
Inspection And Repair
Inspect for the following, and replace any damaged or
worn parts:
1. Damage or wear to each valve.
2. Damage in oil passeges.
3. Cracks or damage to valve body.
4. Valve operations.
5. Spring fatigue.
7A–74
AUTOMATIC TRANSMISSION (4L30–E)
Reassembly
1. Install force motor screen assembly (15), plug (14),
O–ring (13), and plug retainer (12).
2. Install feed limit valve (11), retaining ring (10), and
spring (9).
3. Install 3/4 accumulator control valve (8), 3/4
accumulator valve (7), plug (6), and retainer (5).
4. Install force motor solenoid (4).
D
Place solenoid terminals pointing towards mating
face.
D
Install retainer (3) and bolt.
Torque: 10 N
•
m (87 lb in)
5. Install converter clutch PWM solenoid (2) with two
O–rings (2) and bracket (1) to valve body.
D
Install bolt.
Torque: 10 N
•
m (87 lb in)
7A–75
AUTOMATIC TRANSMISSION (4L30–E)
Third Clutch And Sprag Unit
Disassembled View
248RW001
Legend
(1) Retaining Ring
(2) Input Sun Gear and Sprag Unit Assembly
(3) Retaining Washer
(4) Bearing
(5) Thrust Washer
(6) Clutch Plates
(7) Third Clutch Spring Cushion Plate
(8) Third Clutch Drum Assembly
Disassembly
1. Place the third clutch drum and intermediate shaft
assembly upright, using the overdrive internal gear as
a support.
2. Locate the ends of the retaining ring. Depress one
end of the ring using a small screwdriver instead of
the depressor handle provided with the tool
J-38450-A. Slide one blade down between the third
clutch drum and the retaining ring.
3. Remove a screwdriver and repeat this step for the
other end of retaining ring.
4. Install the remaining four blades approximately (five)
notches apart using a screwdriver to depress the
retaining ring.
5. Pull up on input sun gear and sprag unit assembly (1
and 2) to release the retaining ring from third clutch
drum assembly (8).
6. Remove the tool blades.
248RX001
7. Remove retaining washer (3), bearing (4), thrust
washer (5), and clutch plates (6 and 7) from the third
clutch drum assembly (8).
Inspection And Repair
Visual Check:
If any damage, deformation or wear is found, replace the
damaged part.
7A–76
AUTOMATIC TRANSMISSION (4L30–E)
Reassembly
1. Place third clutch drum and intermediate shaft
assembly upright, using the overdrive internal gear as
a support.
2. Install third clutch spring cushion plate (7), bevel face
down.
3. Install third clutch plates (6) into third clutch drum
assembly (8). Start with the steel clutch plate and
alternate with lined plates.
4. Install thrust washer (5), bearing (4), and retaining
washer (3).
5. Fully engage the hub splines of the input sun gear and
sprag unit assembly (2) into the third clutch inner
tangs.
D
Simultaneously rotate the outer sprag race to
engage into the third clutch drum assembly (8).
6. Place J-38450-A blades between the retaining ring
and the third clutch drum apporximately (five)
notches apart, and one blade at each end of the
retaining ring (1). Push down on sprag assembly until
the assembly is seated into the third clutch drum
assembly (8).
7. Remove the tool blades and engage retaining ring
into groove of third clutch drum.
248RX002
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