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Home >> Chevrolet >> 1998 >> Express 1/2 Ton Van V6-4.3L VIN W >> Repair and Diagnosis >> Powertrain Management >> Emission Control Systems >> Exhaust Gas Recirculation >> EGR Valve >> Service and Repair
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EGR Valve: Service and Repair












IMPORTANT NOTES:
- Do not try to disassemble the linear EGR valve. Service only as a complete assembly.
- Carefully note the position of the EGR valve before removal. Do not rotate the EGR valve 180 degrees.

REMOVAL PROCEDURE
1. Remove the electrical connector.
2. Remove the valve to flange attaching bolts.

NOTICE: The Linear EGR valve is an electrical component. DO NOT soak in any liquid cleaner or solvent because damage may result.

3. Remove the linear EGR valve.
4. Remove the flange gasket.
5. Clean the linear EGR valve gasket surface.

INSTALLATION PROCEDURE
1. Install the new flange gasket
2. Install the linear EGR valve.
3. Install the Valve to flange bolts. Tighten
3.1. Tighten the bolts the first time to 10 Nm (89 lb in) each.
3.2. Tighten the bolts a final time to 25 Nm (18 lb ft) each.
4. Install the electrical connector.
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