EGR Valve: Service and Repair

EXHAUST GAS RECIRCULATION (EGR) VALVE

REMOVAL




1. Ignition Off.
2. Disconnect EGR valve harness connector.
3. Remove EGR valve attachment bolts and EGR valve and gasket.

NOTE:
^ The EGR valve should not be soaked in any solvent; otherwise damage to the electrical solenoid and position sensor could result.
^ Remove all loose deposits from the EGR inlet passage, otherwise they could clog the EGR valve.

4. Inspect cylinder head, EGR valve and adapter passages for excessive carbon deposits. Deposits can be removed using a screwdriver.
5. Clean EGR valve mounting surfaces and inspect for scoring and cracks.

INSTALLATION




1. Install new EGR valve gasket.

IMPORTANT: Make sure gasket is installed correctly or a vacuum leak will occur.

2. Install EGR valve.
3. Install EGR valve attachment bolts.

Torque:
EGR Valve Attachment Bolts: 25 N.m (19 ft-lbs)

4. Connect EGR valve harness connector. Push in connector until a click is heard and pull back to confirm a positive engagement.
5. Start engine and inspect for exhaust gas leaks.