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Throttle Body: Installation

WARNING: This page is about a different car, the 2003 Pontiac Bonneville, 2003 Buick Park Avenue, and 2003 Buick LeSabre. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Do not use solvent of any type when cleaning the gasket surfaces on the intake manifold and the throttle body assembly, as damage to the gasket surfaces and throttle body assembly may result. Use care in cleaning the gasket surfaces on the intake manifold and the throttle body assembly, as sharp tools may damage the gasket surfaces.
  1. Install the accelerator control bracket to the throttle body, if necessary. Install the new gasket. Install the throttle body assembly. Install the throttle body nuts. Tighten the nuts to specification. See TORQUE SPECIFICATIONS . Install the throttle body support bracket. Install the throttle body support bracket bolts. Tighten the bolts to specification.
  2. Install the air injection outlet pipe, if applicable. Install the vacuum hoses to throttle body. Install the electrical harness retainer clip to the accelerator control cable bracket, if previously removed. Install the accelerator control cable to the accelerator control bracket and throttle body lever. Install the cruise control cable to the accelerator control bracket and throttle body lever.
  3. Connect the MAF sensor electrical connector. Connect the TP sensor electrical connector. Connect the IAC valve electrical connector. Install the air cleaner intake duct. Fill the cooling system. See COOLING SYSTEM BLEEDING  under COOLING SYSTEM. Install the fuel injection sight shield.


CAUTION: Do not use solvent of any type when cleaning the gasket surfaces on the intake manifold and the throttle body assembly, as damage to the gasket surfaces and throttle body assembly may result. Use care in cleaning the gasket surfaces on the intake manifold and the throttle body assembly, as sharp tools may damage the gasket surfaces.
  1. Install the accelerator controls bracket to the throttle body, if necessary. Install the new gasket. Install the throttle body assembly. Install the throttle body nuts and bolts. Tighten the nuts and bolts to specification. See TORQUE SPECIFICATIONS .
  2. Install the secondary air injection reaction pump outlet pipe, if previously removed. Install the vacuum hoses to throttle body as noted on removal. Install the electrical harness retainer clip to the accelerator control cable bracket, if previously removed. Install the accelerator control cable to the accelerator control bracket and throttle body lever.
    3. NOTE: The throttle should operate freely without binding between full closed and wide open throttle.
  3. Install the cruise control cable to the accelerator control bracket and throttle body lever. Connect the MAF sensor electrical connector. Connect the TP sensor electrical connector. Connect the IAC valve electrical connector. Install the air cleaner intake duct. Fill the cooling system. See COOLING SYSTEM BLEEDING  under COOLING SYSTEM. Install the fuel injection sight shield.
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