Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Manual — part 879
6E–540
TROOPER 6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS
Electronic Ignition System
Removal Procedure
1. Disconnect the negative battery cable.
2. Disconnect the ignition coil connector at the ignition
coil assemblies.
3. Remove the two screws that secure the ignition coil
assemblies to the rocker cover.
060R200210
Legend
(1) Ignition Coil Connectors
(2) Bolts
(3) Ignition Coil Assemblies
4. Remove the ignition coil assemblies and the spark
plug boot from the spark plug.
D
Twist the ignition coil assemblies while pulling it
straight up.
5. Use the appropriate spark plug socket in order to
remove the spark plug from the engine.
Installation Procedure
NOTE: The plug must thread smoothly into the cylinder
head and be fully seated. Use a thread chaser if
necessary to clean the threads in the cylinder head.
Cross-threading or failure to fully seat the spark plug can
cause plug overheating, exhaust blow-by gases, or
thread damage. Do not overtighten the spark plugs. Over
tightening can cause aluminum threads to strip.
1. Install the spark plug in the engine. Use the
appropriate spark plug socket.
Tighten
D
Tighten the spark plug to 18 N·m (13 lb ft.).
2. Install the ignition coil assemblies and spark plug boot
over the spark plug.
CAUTION: Ignition coil assembly #6 is different
from ignition coil assembly #1 to #5. Ignition coil
assemblies #6 is short type. Be careful it when
installing ignition coil assembly of #6.
060RY00002
Legend
(1) Long Type Ignition Coil Assemblies (#1
∼
#5)
(2) Short Type Ignition Coil Assembly (#6)
3. Install ignition coil assemblies and tighten the fixing
bolts to the specified torque.
Torque: 4 N·m (35.4 Ib in)
060R200210
Legend
(1) Ignition Coil Connectors
(2) Bolts
(3) Ignition Coil Assemblies
4. Connect the ignition coil connector at the ignition coil
assemblies.
5. Connect the negative battery cable.
6E–541
TROOPER 6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS
Catalytic Converter
Removal and Installation Procedure
Refer to
Engine Exhaust in Engine section.
Air Conditioning Thermo Relay
Removal Procedure
1. Remove the fuse and relay box cover from under the
hood.
2. Consult the diagram on the cover to determine which
is the correct relay.
3. Insert a small screwdriver into the catch slot on the
forward side of the fuel pump relay.
D
The screwdriver blade will release the catch inside.
D08RW131
4. Pull the relay straight up and out of the fuse and relay
box.
060R200196
Installation Procedure
1. Insert the relay into the correct place in the fuse and
relay box with the catch slot facing forward.
2. Press down until the catch engages.
D
An audible “click” will be heard.
3. Install the fuse and relay box cover.
060R200196
EVAP Canister Hoses
Service Information
To view the routing of the EVAP canister hoses, refer to
Vehicle Emission Control Information in Diagnosis. Use
6148M or equivalent when you replace the EVAP canister
hoses.
6E–542
TROOPER 6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS
EVAP Canister
Removal Procedure
1. Disconnect the negative battery cable.
2. Disconnect the three hoses from the EVAP canister.
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3. Disconnect the fuel vapor connector and the purge
hose from the EVAP canister vent solenoid.
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4. Remove the retaining two bolts on the mounting
bracket and slide the canister out of mounting
bracket.
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Inspection Procedure
1. Inspect the hoses for cracks and leaks.
2. Inspect the canister for a damaged case.
Installation Procedure
1. Slide the canister into mounting bracket and install
the mounting bracket two bolts.
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6E–543
TROOPER 6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS
2. Connect the fuel vapor connector to the EVAP
canister vent solenoid.
3. Connect the three hoses to the EVAP canister.
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4. Disconnect the negative battery cable.
EVAP Canister Vent Solenoid
Removal Procedure
1. Disconnect the negative battery cable.
2. Slide out the EVAP canister vent solenoid from
mounting bracket.
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3. Disconnect the connector and hose.
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Inspection Procedure
1. Check for cracks or leaks.
2. Energize the solenoid and try to blow through it. The
solenoid should not allow passage of air when
energized. (J 35616 Connector Test Kit can be used
to easily attach jumper wires from the battery to the
solenoid).
Installation Procedure
1. Connect the connector and hose.
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