EGR Control Solenoid: Service and Repair
Fig. 2 EGR Control Valve:
Fig. 3 EGR Valve:
NOTE: If the EGR system operates incorrectly, replace the entire EGR valve and transducer together. The EGR valve and electrical transducer are calibrated together.
NOTE: The EGR valve attaches to the front exhaust manifold. The transducer/solenoid attach to the front cylinder head (Fig. 3).
REMOVAL
1. Disconnect vacuum supply and outlet hose from solenoid.
2. Disconnect electrical connector from solenoid.
3. Remove back-pressure hose from transducer.
4. Pull transducer/solenoid up off of bracket.
Fig. 5 TCM Removal:
Fig. 6 EGR Removal;:
5. Remove screws holding Transmission Control Module (TCM) to bracket (Fig. 5). Swing TCM up to allow access to EGR screws (Fig. 6).
6. Remove screws holding EGR tube.
7. Remove EGR valve mounting screws. Remove EGR valve and transducer.
8. Clean gasket surfaces. Discard old gaskets. If necessary, clean EGR passages.
INSTALLATION
1. Loosely install EGR valve with new gaskets.
2. Finger tighten EGR tube fasteners.
3. Tighten EGR tube fasteners to 11 Nm (95 in lbs) torque.
4. Tightening EGR valve mounting screws to 22 Nm (200 in lbs) torque.
5. Clip solenoid to bracket.
6. Connect back-pressure hose to EGR valve and transducer.
7. Connect vacuum supply and outlet hoses to solenoid.
8. Attach electrical connector to solenoid.