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Home >> Cadillac >> 2007 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 541 (Engine Controls (Introduction) -- 5.7L) >> Repair Instructions >> Throttle Body Assembly Replacement >> Installation Procedure
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Installation Procedure

WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Throttle Body
    GM43567Courtesy of GENERAL MOTORS CORP.
  1. Install a new throttle body gasket.
  2. Connect the coolant hoses to the throttle body.
  3. Install the throttle body assembly.
    4. NOTE: Refer to the Fastener Notice in Cautions and Notices.
    IMPORTANT: Always use a torque wrench in order to obtain the proper torque.
  4. Install the throttle body attaching bolts.

    Tighten:  Tighten the throttle body bolts to 10 N.m (89 lb in).

    5. Fig 2: TP Sensor & Electrical Connector
    GM51808Courtesy of GENERAL MOTORS CORP.
  5. Connect the TP sensor electrical connector.
  6. Connect the crankcase ventilation hose to the throttle body.
    7. Fig 3: Air Control Valve Electrical Connector
    GM52800Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Ensure that the air control valve electrical connector and the connector seal are properly installed and not damaged.
  7. Connect the air control valve electrical connector.
    8. Fig 4: Air Intake Duct & Clamp
    GM693173Courtesy of GENERAL MOTORS CORP.
  8. Install the air intake duct.
  9. Connect the intake air temperature sensor electrical connector.
  10. Refill the cooling system. Refer to Draining and Filling Cooling System in Engine Cooling.
  11. Check for complete throttle opening and closing positions by operating the accelerator pedal. Monitor the throttle angles, using a scan tool. The accelerator pedal should operate freely without binding between full closed throttle and wide open throttle.
  12. Start the engine.
  13. Check for coolant leaks.
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