Diesel Data: Automotive Repair

EGR Valve: Service and Repair

EXHAUST GAS RECIRCULATION (EGR) VALVE - COBRA

REMOVAL







1. Disconnect the accelerator cable and the speed control cable.







2. Remove the accelerator cable bracket bolts.







3. Release the clip and position the accelerator cable bracket and the cables aside.







4. Disconnect the electrical connectors from the fuel pulse damper, EGR vacuum regulator solenoid, supercharger bypass vacuum solenoid, and the differential pressure feedback EGR system.







5. Disconnect the vacuum hoses from the differential pressure feedback EGR system.







6. Disconnect the vacuum hoses from the supercharger bypass vacuum solenoid, and the actuator.







7. Disconnect the vacuum hoses from the fuel pulse damper and the EGR vacuum regulator solenoid.







8. Disconnect the vacuum hose from the EGR valve.







9. Disconnect the vacuum hoses at the back of the supercharger and position the vacuum harness aside.







10. Remove the vacuum accessory bracket mounting nut.







11. Remove the mounting bolts, and the vacuum accessory bracket.







12. Disconnect the exhaust manifold to EGR valve tube.







13. NOTE: Discard the EGR valve gasket.

Remove the mounting bolts and the EGR valve.

INSTALLATION

1. NOTE: Install a new EGR valve gasket.

To install, reverse the removal procedure.