EGR Valve: Service and Repair

Removal






Note: The electronic EGR valve and solenoid assembly (3) is attached to the front of the right cylinder head (1). An exhaust gas routing tube connects the EGR valve to the intake manifold.

1. Use a diagnostic scan tool to record any Diagnostic Trouble Codes (DTC).
2. Disconnect and isolate the negative battery cable.






3. Disconnect the electrical connector (1) from the EGR solenoid (2).
4. Remove two bolts (3) connecting the EGR tube (4) to the EGR valve assembly.
5. Remove the gasket located between the EGR tube flange and the EGR valve assembly.






6. Remove two EGR valve mounting bolts (2).
7. Remove the EGR valve assembly (3) from cylinder head (1).
8. Remove and discard the gasket located between the cylinder head and EGR valve assembly.

Installation






1. Position a new gasket between the cylinder head (1) and the EGR valve assembly (3).
2. Install two mounting bolts (2) and tighten to 27 Nm (20 ft.lbs.).






3. Clean the EGR tube where it joins the EGR valve.
4. Position the new gasket between the EGR tube flange and the EGR valve assembly.
5. Install two bolts (3) connecting the EGR tube (4) to the EGR valve assembly (2) and tighten to 27 Nm (20 ft.lbs.).
6. Connect the electrical connector (1) to the EGR solenoid (2).
7. Connect the negative battery cable.
8. Using a diagnostic scan tool, erase any previously recorded DTC's (Diagnostic Trouble Codes).