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Home >> GMC >> 2005 >> Jimmy Part Time, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - (Introduction) >> Repair Instructions >> Throttle Body Assembly Replacement >> Installation Procedure
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Installation Procedure

    CAUTION: Refer to Safety Glasses Caution in Cautions and Notices.
  1. Clean the seal surface on the intake manifold.
    2. Fig 1: View Of Throttle Body & Gasket
    GM12853Courtesy of GENERAL MOTORS CORP.
  2. Install the throttle body assembly with a new seal.
    3. Fig 2: View Of Throttle Body & Attaching Studs
    GM12852Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Install the throttle body assembly retaining studs.

    Tighten:  Tighten the studs to 9 N.m (80 lb in).

  4. Install the accelerator control cable bracket using the mounting stud and nuts.

    Tighten:  Tighten the stud and nuts to 12 N.m (106 lb in).

    5. Fig 3: View Of Throttle Body Bracket
    GM424533Courtesy of GENERAL MOTORS CORP.
  5. Install the accelerator cable routing bracket using the mounting nuts.

    Tighten:  Tighten the accelerator cable routing bracket nuts to 9 N.m (80 lb in).

    6. Fig 4: Identifying Accelerator Cable/Throttle Body Lever
    GM325556Courtesy of GENERAL MOTORS CORP.
    NOTE: Check for unrestricted and complete throttle opening and closing positions by operating the accelerator pedal in order to prevent vehicle damage. Also check for poor carpet fit under the accelerator pedal. Throttle should operate freely without bind between full closed and wide open throttle.
  6. Install the accelerator cable onto the throttle body. Refer to Accelerator Controls Cable Replacement .
    7. Fig 5: View Of Cruise Control Cable
    GM325550Courtesy of GENERAL MOTORS CORP.
  7. Install the cruise control cable onto the throttle body. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical.
    8. Fig 6: View Of Throttle Position (TP) Sensor Harness Connector
    GM12885Courtesy of GENERAL MOTORS CORP.
  8. Connect the TP sensor harness connector.
    9. Fig 7: View Of IAC Valve Electrical Connector
    GM312513Courtesy of GENERAL MOTORS CORP.
  9. Connect the IAC valve harness connector.
    10. Fig 8: View Of Air Cleaner Outlet Resonator Stud
    GM424550Courtesy of GENERAL MOTORS CORP.
  10. Install the air cleaner adapter stud.

    Tighten:  Tighten the stud to 8 N.m (71 lb in).

  11. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Resonator Replacement .
    12. IMPORTANT: The accelerator pedal should operate freely without binding between closed and wide open throttle (WOT).
  12. Use the following procedure in order to inspect the accelerator pedal operation.
    1. Turn ON the ignition, with the engine OFF.
    2. Use a scan tool in order to observe the parameter for the TP sensor.
    3. Depress the accelerator pedal to the floor.
    4. Release the accelerator pedal.
    5. Verify the throttle position has gone from 0-100 percent and back to 0 percent.
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