Throttle Body: Service and Repair
REMOVALThrottle Body Removal/Installation:
1. Partially drain cooling system.
2. Remove throttle intake air tube.
3. Disconnect coolant hoses from throttle body.
4. Disconnect throttle cable.
5. Disconnect the Throttle Position Sensor and Air Bypass Valve connectors.
6. Remove four throttle body nuts and remove throttle body.
INSTALLATION
1. Clean gasket mating surfaces.
NOTE: If scraping is necessary, be careful not to damage gasket surfaces of allow material to drop into manifold.
2. Install throttle body gasket on the four studs of the upper intake manifold. Tighten to 15-22 lb. ft. (20-30 N-m).
3. Connect the Throttle Position Sensor and Air Bypass Valve connectors.
4. Connect coolant hoses to throttle body.
5. Install intake air tube.
6. Top off coolant.
7. Start engine and check for leaks.