Removal (3.1L & 3.4L)
WARNING: This page is about a different car, the 2002 Pontiac Grand Prix, 2002 Chevrolet Monte Carlo, 2002 Chevrolet Impala, 2002 Buick Regal, and 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
- Partially drain the cooling system. Loosen the air cleaner intake duct clamps. Remove the PCV tube from the air cleaner intake duct, if necessary. Disconnect the Intake Air Temperature (IAT) sensor electrical connector. Disconnect the Mass Airflow (MAF) sensor electrical connector. Remove the air intake duct.
- Disconnect the Idle Air Control (IAC) valve electrical connector. Disconnect the Throttle Position (TP) sensor electrical connector. Remove the accelerator control cable bracket. Disconnect the throttle body coolant by-pass hoses. Disconnect the heater pipe-to-throttle body nut. Remove the nuts and bolts holding the throttle body to the intake manifold. Remove the throttle body assembly. Remove the old gasket.