Throttle Body: Installation
- Clean the gasket surface on the intake manifold and the throttle body assembly. Install a new gasket, if necessary. Install the throttle body assembly. Install the throttle body retaining nuts and bolts. Tighten the throttle body retaining nuts and bolts to specification. See TORQUE SPECIFICATIONS
.
- Connect the throttle body coolant by-pass hoses. Connect the heater pipe nut at the throttle body. Connect the IAC valve electrical connector. Connect the TP sensor electrical connector.
- Install the accelerator controls cable bracket. Connect the accelerator cable cross slug to the throttle body lever. Connect the cruise control cable to the throttle body lever. Install the air intake tube and tighten the clamps. Connect the IAT sensor electrical connector.
- Connect the breather tube to the air intake tube. Refill the cooling system. See COOLING SYSTEM BLEEDING
under COOLING SYSTEM.
- The throttle should operate freely without binding between full closed and wide open throttle. Inspect for complete throttle opening and closing positions by operating the accelerator pedal. Also inspect for poor carpet fit under the accelerator pedal.
Courtesy of GENERAL MOTORS CORP.