Mariner 2WD L4-2.5L (2009)
EGR Valve: Service and Repair
Exhaust Gas Recirculation (EGR) Valve
Removal and Installation
1. Drain the cooling system.
2. Remove the ACL outlet pipe.
3. Disconnect the EGR valve electrical connector.
4. Release the clamp and remove the coolant hose from the EGR valve.
5. Remove the 2 bolts and the EGR valve.
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To install, tighten to 20 Nm (177 lb-in).
6. NOTICE: 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
NOTE: Do not reuse the EGR valve gasket.
Remove and discard the EGR valve gasket.
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Clean and inspect the EGR gasket mating surfaces.
7. NOTE: Install a new EGR valve gasket.
To install, reverse the removal procedure.