Isuzu Trooper (1998-2002 year). Service manual — part 367
6H–4
ENGINE SPEED CONTROL SYSTEM
MEMO
INDUCTION
6J–1
ENGINE
INDUCTION
CONTENTS
Service Precaution
6J–1
. . . . . . . . . . . . . . . . . . . . . .
Air Cleaner Element
6J–2
. . . . . . . . . . . . . . . . . . . . .
Removal
6J–2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection
6J–2
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation
6J–2
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service Precaution
WARNING: IF SO EQUIPPED WITH 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.
6J–2
INDUCTION
Air Cleaner Element
Removal
1. Remove positive ventilation hose from connector(1).
2. Remove intake air temperature sensor(2).
3. Remove air flow sensor(3).
4. Remove air cleaner duct cover(4).
5. Remove air cleaner element(5).
130RW003
Inspection
Check the air cleaner element for damage or dust
clogging. Replace if it is damaged, or clean if it is clogged.
Cleaning Method
Tap the air cleaner element gently so as not to damage
the paper element, or clean the element by blowing with
compressed air of about 490 kPa (71 psi) from the clean
side if it is extremely dirty.
130RW002
Installation
1. Install air cleaner element(5).
2. Attach the air cleaner duct cover (4) to the body
completely, then clamp it with the clip.
3. Install mass air flow sensor(3).
4. Install air temperature sensor(2).
5. Connect positive crankcase ventilation hose to
connector(1).
For General Export Model
130RW003
For Isuzu General Motors (IGM) Model
130RW006
6A–1
ENGINE MECHANICAL (6VE1 3.5L)
ENGINE
CONTENTS
Engine Mechanical
6A
. . . . . . . . . . . . . . . . . . . . . .
Engine Cooling
6B
. . . . . . . . . . . . . . . . . . . . . . . . .
Engine Fuel
6C
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine Electrical
6D1
. . . . . . . . . . . . . . . . . . . . . . . .
Ignition System
6D2
. . . . . . . . . . . . . . . . . . . . . . . . .
Starting and Charging System
6D3
. . . . . . . . . . . .
Driveability and Emissions
6E
. . . . . . . . . . . . . . . .
Engine Exhaust
6F
. . . . . . . . . . . . . . . . . . . . . . . . .
Engine Lubrication
6G
. . . . . . . . . . . . . . . . . . . . . .
Engine Speed Control System
6H
. . . . . . . . . . . .
Induction
6J
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ENGINE MECHANICAL (6VE1 3.5L)
CONTENTS
Service Precaution
6A–2
. . . . . . . . . . . . . . . . . . . . . .
General Description
6A–3
. . . . . . . . . . . . . . . . . . . . .
Engine Diagnosis
6A–4
. . . . . . . . . . . . . . . . . . . . . . .
Cylinder Head Cover LH
6A–19
. . . . . . . . . . . . . . . . .
Removal
6A–19
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation
6A–20
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cylinder Head Cover RH
6A–21
. . . . . . . . . . . . . . . . .
Removal
6A–21
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation
6A–21
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Common Chamber
6A–22
. . . . . . . . . . . . . . . . . . . . . .
Removal
6A–22
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation
6A–22
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exhaust Manifold LH
6A–24
. . . . . . . . . . . . . . . . . . . . .
Removal
6A–24
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation
6A–24
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exhaust Manifold RH
6A–25
. . . . . . . . . . . . . . . . . . . .
Removal
6A–25
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation
6A–25
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Crankshaft Pulley
6A–26
. . . . . . . . . . . . . . . . . . . . . . .
Removal
6A–26
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation
6A–26
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Timing Belt
6A–27
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removal
6A–27
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation
6A–28
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Camshaft
6A–32
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removal
6A–32
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation
6A–33
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cylinder Head
6A–35
. . . . . . . . . . . . . . . . . . . . . . . . . .
Removal
6A–35
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation
6A–35
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Valve Stem Oil Controller , Valve Spring and
Valve Guide
6A–37
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removal
6A–37
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation
6A–37
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Piston, Piston Ring and Connecting Rod
6A–38
. . .
Removal
6A–38
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation
6A–39
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Crankshaft and Main Bearings
6A–40
. . . . . . . . . . . .
Removal
6A–40
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation
6A–41
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rear Oil Seal
6A–45
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Removal
6A–45
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation
6A–45
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine Assembly
6A–46
. . . . . . . . . . . . . . . . . . . . . . . .
Removal
6A–46
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation
6A–47
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cylinder Head
6A–49
. . . . . . . . . . . . . . . . . . . . . . . . . .
Cylinder Head and Associated Parts
6A–49
. . . . .
Disassembly
6A–50
. . . . . . . . . . . . . . . . . . . . . . . . . .
Clean
6A–50
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection and Repair
6A–50
. . . . . . . . . . . . . . . . . .
Reassembly
6A–51
. . . . . . . . . . . . . . . . . . . . . . . . . .
Valve Spring, Oil Controller, Valve, Valve
Guide
6A–53
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Valve Spring, Oil Controller, Valve, Valve
Guide and Associated Parts
6A–53
. . . . . . . . . . . .
Disassembly
6A–53
. . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection and Repair
6A–54
. . . . . . . . . . . . . . . . . .
Reassembly
6A–57
. . . . . . . . . . . . . . . . . . . . . . . . . .
Camshaft
6A–60
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Camshaft and Associated Parts
6A–60
. . . . . . . . .
Disassembly
6A–60
. . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection and Repair
6A–61
. . . . . . . . . . . . . . . . . .
Reassembly
6A–63
. . . . . . . . . . . . . . . . . . . . . . . . . .
Crankshaft
6A–67
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Crankshaft and Associated Parts
6A–67
. . . . . . . .
Disassembly
6A–67
. . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection and Repair for Bearings
6A–68
. . . . . .
Inspection and Repair for Crankshaft
6A–70
. . . . .
Reassembly
6A–71
. . . . . . . . . . . . . . . . . . . . . . . . . .
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