Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Service manual — part 1591
TRANSMISSION CONTROL SYSTEM (4L30–E)
7A1–89
No.
Connector face
H-17
H-18
H-19
I-1
I-9
I-18
I-46
X-3
X-10
MANUAL TRANSMISSION
7B–1
RODEO
TRANSMISSION
MANUAL TRANSMISSION MUA 5C
CONTENTS
Service Precaution
7B–1
. . . . . . . . . . . . . . . . . . . . . .
General Description
7B–2
. . . . . . . . . . . . . . . . . . . . .
Diagnosis
7B–4
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rear Oil Seal (4X2)
7B–5
. . . . . . . . . . . . . . . . . . . . . .
Disassembled View
7B–5
. . . . . . . . . . . . . . . . . . . .
Removal
7B–5
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation
7B–5
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transmission
7B–6
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Disassembled View
7B–6
. . . . . . . . . . . . . . . . . . . .
Removal
7B–7
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation
7B–11
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transmission Case
7B–16
. . . . . . . . . . . . . . . . . . . . . .
Major Component (4X2)
7B–16
. . . . . . . . . . . . . . . .
Disassembly
7B–17
. . . . . . . . . . . . . . . . . . . . . . . . . .
Reassembly
7B–18
. . . . . . . . . . . . . . . . . . . . . . . . . .
Transmission Case and Transfer Case
7B–21
. . . . .
Major Component (4X4)
7B–21
. . . . . . . . . . . . . . . .
Disassembly
7B–22
. . . . . . . . . . . . . . . . . . . . . . . . . .
Reassembly
7B–25
. . . . . . . . . . . . . . . . . . . . . . . . . .
Intermediate Plate with Gear Assembly,
Detent, Shift Arm,
and Interlock Pin
7B–31
. . . . . . . . . . . . . . . . . . . . . . . .
Disassembled View
7B–31
. . . . . . . . . . . . . . . . . . . .
Disassembly
7B–32
. . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection and Repair
7B–33
. . . . . . . . . . . . . . . . . .
Reassembly
7B–34
. . . . . . . . . . . . . . . . . . . . . . . . . .
Reverse Gear and 5th Gear
7B–35
. . . . . . . . . . . . . .
Disassembled View
7B–35
. . . . . . . . . . . . . . . . . . . .
Disassembly
7B–36
. . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection and Repair
7B–38
. . . . . . . . . . . . . . . . . .
Reassembly
7B–38
. . . . . . . . . . . . . . . . . . . . . . . . . .
Top Gear Shaft, Main Gear Shaft, and
Counter Gear Shaft
7B–44
. . . . . . . . . . . . . . . . . . . . .
Disassmebled View
7B–44
. . . . . . . . . . . . . . . . . . . .
Disassembly
7B–45
. . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection and Repair
7B–46
. . . . . . . . . . . . . . . . . .
Reassembly
7B–49
. . . . . . . . . . . . . . . . . . . . . . . . . .
Main Data and Specifications
7B–55
. . . . . . . . . . . . .
Special Tools (MUA)
7B–59
. . . . . . . . . . . . . . . . . . . . .
Service Precaution
WARNING: THIS VEHICLE HAS A SUPPLEMENTAL
RESTRAINT SYSTEM (SRS). REFER TO THE SRS
COMPONENT AND WIRING LOCATION VIEW IN
ORDER TO DETERMINE WHETHER YOU ARE
PERFORMING SERVICE ON OR NEAR THE SRS
COMPONENTS OR THE SRS WIRING. WHEN YOU
ARE PERFORMING SERVICE ON OR NEAR THE SRS
COMPONENTS OR THE SRS WIRING, REFER TO
THE SRS SERVICE INFORMATION. FAILURE TO
FOLLOW WARNINGS COULD RESULT IN POSSIBLE
AIR BAG DEPLOYMENT, PERSONAL INJURY, OR
OTHERWISE UNNEEDED SRS SYSTEM REPAIRS.
CAUTION: Always use the correct fastener in the
proper location. When you replace a fastener, use
ONLY the exact part number for that application.
ISUZU will call out those fasteners that require a
replacement after removal. ISUZU will also call out
the fasteners that require thread lockers or thread
sealant. UNLESS OTHERWISE SPECIFIED, do not
use supplemental coatings (Paints, greases, or other
corrosion inhibitors) on threaded fasteners or
fastener joint interfaces. Generally, such coatings
adversely affect the fastener torque and the joint
clamping force, and may damage the fastener. When
you install fasteners, use the correct tightening
sequence and specifications. Following these
instructions can help you avoid damage to parts and
systems.
7B–2
MANUAL TRANSMISSION
General Description
A07RW039
MANUAL TRANSMISSION
7B–3
A07RW040
The MUA5C is a constant mesh transmission,
synchronized in all speeds. The transmission is designed
for a great reduction of the shift effort and the quietest
possible operation.
Principle parts of the transmission are the integral clutch
housing, intermediate plate, the transfer case, the rear
cover, and the gears.
The transmission control box and transfer control box are
built into the transmission and transfer case.
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