Opel Frontera UBS. Service manual — part 355

6E–326

ENGINE DRIVEABILITY AND EMISSIONS

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.

EVAP Canister

Removal Procedure

1. Disconnect the negative battery cable.
2. Disconnect the three hoses from the EVAP canister.

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3. 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.

6E–327

ENGINE DRIVEABILITY AND EMISSIONS

Installation Procedure

1. Slide the canister into mounting bracket and install

the mounting bracket two bolts.

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2. Connect the three hoses to the EVAP canister.

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3. Disconnect the negative battery cable.

EVAP Canister Purge Solenoid

Removal Procedure

1. Disconnect the electrical connector from the EVAP

canister purge solenoid.

2. Disconnect the vacuum hoses from the EVAP

canister purge solenoid.

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3. Remove the EVAP canister purge solenoid retaining

bolt from the upper intake manifold.

4. Remove the EVAP canister purge solenoid.

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Installation Procedure

1. Install the EVAP canister purge solenoid on the upper

intake manifold.

2. Install the EVAP canister purge solenoid retaining

bolt.

6E–328

ENGINE DRIVEABILITY AND EMISSIONS

3. Connect the vacuum hoses to the EVAP canister

purge solenoid.

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4. Connect the electrical connector to the EVAP canister

purge solenoid.

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Fuel Tank Vent Valve

Removal and Installation Procedure

Refer to

Fuel Pump

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 bolt and the nut from the upper intake

manifold.

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4. Remove the EGR valve from the upper intake

manifold.

5. Remove the gasket from the upper intake manifold.

Installation Procedure

1. Install the gasket on the upper intake manifold.
2. Install the EGR valve on the upper intake manifold.
3. Secure the EGR valve and the gasket with the bolt

and the nut.

6E–329

ENGINE DRIVEABILITY AND EMISSIONS

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.

Positive Crankcase Ventilation

(PCV) Valve

Removal Procedure

1. Remove the vacuum hose at the PCV valve.

D

Slide the clamp back to release the hose.

2. Pull the PCV valve from the rubber grommet in the

right valve cover.

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Inspection Procedure

1. Shake the valve and listen for the rattle of the needle

inside the valve.

2. If the valve does not rattle, replace the valve.

Installation Procedure

1. Push the PCV valve into the rubber grommet in the

left valve cover.

2. Install the vacuum hose on the PCV valve and secure

the vacuum hose with the clamp.

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