EGR Backpressure Transducer: Service and Repair

If the EGR system operates incorrectly, replace the entire EGR valve and transducer together. The EGR valve and electrical transducer are calibrated together. The EGR valve attaches to the front exhaust manifold. The transducer/solenoid attach to the front cylinder head.

REMOVAL
1. Remove the negative battery cable.
2. Disconnect vacuum supply from solenoid.
3. Disconnect electrical connector from solenoid.
4. Remove screws holding transducer to bracket.

Fig.4 TCM Removal:

Fig.5 EGR Removal:

5. Remove screws holding Transmission Control Module (TCM) to bracket. Swing TCM up to allow access to EGR screws.
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 valve mounting screws to 22 Nm (200 in lbs.) torque.
4. Tighten EGR tube fasteners to 11 Nm (95 in. lbs.) torque.
5. Install transducer to bracket.
6. Connect vacuum supply to solenoid.
7. Attach electrical connector to solenoid.
8. Install the negative battery cable.