Isuzu Trooper (1998-2002 year). Manual - part 535

6E–510

6VE1 3.5 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.

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4. Pull the relay straight up and out of the fuse and relay

box.

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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.

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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–511

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–512

6VE1 3.5 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 Purge Solenoid

(Purge Duty Solenoid Valve)

Removal Procedure

1. Disconnect the negative battery cable.
2. Disconnect the electrical connector from the EVAP

canister purge solenoid.

3. Disconnect the vacuum hoses from the EVAP

canister purge solenoid.

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4. Remove the EVAP canister purge solenoid retaining

bolt from the common chamber.

5. Remove the EVAP canister purge solenoid.

Installation Procedure

1. Install the EVAP canister purge solenoid on the upper

intake manifold.

2. Install the EVAP canister purge solenoid retaining

bolt.

Tighten

D

Tighten the bolts to 20 N·m (16 lb ft.).

3. Connect the vacuum hoses to the EVAP canister

purge solenoid.

4. Connect the electrical connector to the EVAP canister

purge solenoid.

060R200229

Fuel Tank Vent Valve 
(Vent Solenoid Valve)

Removal and Installation Procedure

Refer to 

Fuel Pump section.

6E–513

6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS

Linear Exhaust Gas

Recirculation (EGR) Valve

Removal Procedure

1. Disconnect the negative battery cable.
2. Disconnect the electrical connector at the EGR valve.

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3. Remove the bolts from the common chamber.

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4. Remove the EGR valve from the common chamber

manifold.

5. Remove the gasket from the common chamber

manifold.

Installation Procedure

1. Install the gasket on the common chamber.
2. Install the EGR valve on the common chamber.
3. Secure the EGR valve and the gasket with the bolts.

Torque: 25 N·m (18 Ib ft)

NOTE: It is possible to install the EGR valve rotated 180

°

from the correct position.  Make sure that the base of the
valve is placed so that it aligns with the mounting flange.

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4. Connect the electrical connector at the EGR valve.

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5. Connect the negative battery cable.