EGR Valve: Service and Repair

EXHAUST GAS RECIRCULATION (EGR) VALVE







Removal and Installation
1. Drain the cooling system.
2. Remove the air cleaner outlet pipe.
3. Detach the 2 engine wiring harness retainer clips from the studs.
4. Disconnect the EGR valve electrical connector.
5. Release the clamp and remove the upper radiator hose from the coolant outlet.
6. Release the clamp and remove the coolant hose from the EGR valve.
7. Remove the 2 bolts and the EGR valve.
- To install, tighten to 20 Nm (15 lb-ft).

8. CAUTION: Do not use metal scrapers, wire brushes, power abrasive discs or other abrasive means to clean the sealing surfaces. These tools cause scratches and gouges that make leak paths. Use a plastic scraping tool to remove all traces of the exhaust gas recirculation (EGR) valve gasket.

NOTE:
- If there is no residual gasket material present, metal surface prep can be used to clean and prepare the surfaces.
- Do not reuse the EGR valve gasket.

Remove and discard the EGR valve gasket.
- Clean and inspect the EGR gasket mating surfaces.

9. To install, reverse the removal procedure.
10. Fill and bleed the cooling system.