FixVault
Home › Buick › 2004 › LeSabre Custom, 4T65E/M15 › Repair and Diagnosis › Engine Performance › System › Engine Controls (Introduction) - 3.8L (L36 And L67) › Repair Instructions › Throttle Body Assembly Replacement › Installation Procedure

Installation Procedure

    Fig 1: Accelerator Controls Cable Bracket
    GM12246Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  1. Install the accelerator controls bracket to the throttle body if necessary.

    Tighten:  Tighten the accelerator controls bracket bolts to 16 N.m (12 lb ft).

    2. Fig 2: View of Throttle Body Assembly
    GM203948Courtesy of GENERAL MOTORS CORP.
  2. Install the new gasket, new inserts and studs if necessary.
  3. Install the throttle body assembly.
  4. Install the throttle body retaining nuts.

    Tighten:  Tighten the fasteners to 10 N.m (89 lb in).

    5. Fig 3: View of Throttle Body Support Bracket
    GM203920Courtesy of GENERAL MOTORS CORP.
  5. Install the throttle body support bracket.

    Tighten:  Tighten the fasteners to 10 N.m (89 lb in).

    6. Fig 4: Vacuum Hoses To Throttle Body
    GM180061Courtesy of GENERAL MOTORS CORP.
  6. Install the vacuum hoses to throttle body as noted on removal.
    7. Fig 5: Electrical Wiring Harness To The Accelerator Controls Bracket
    GM179374Courtesy of GENERAL MOTORS CORP.
  7. Install the electrical harness retainer clip (1) to the accelerator control cable bracket (3) if previously removed.
    8. Fig 6: View of Accelerator Cable and Throttle Body Lever
    GM179148Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: The throttle should operate freely without binding between full closed and wide open throttle (WOT).
  8. Install the accelerator control cable (2) to the accelerator control bracket and throttle body lever (3). Refer to Accelerator Controls Cable Replacement .
    9. Fig 7: View of Cruise Control Cable, Control Bracket, and Throttle Body Lever
    GM179147Courtesy of GENERAL MOTORS CORP.
  9. Install the cruise control cable (2) to the accelerator control bracket (4) and throttle body lever (3). Refer to Cruise Control Cable Replacement in Cruise Control.
    10. Fig 8: MAF Sensor & Electrical Connector
    GM155464Courtesy of GENERAL MOTORS CORP.
  10. Connect the mass air flow (MAF) sensor electrical connector to the MAF sensor.
    11. Fig 9: View Of TP Sensor & Connector
    GM178680Courtesy of GENERAL MOTORS CORP.
  11. Connect the throttle position (TP) sensor electrical connector to the TP sensor.
    12. Fig 10: View Of IAC Valve Electrical Connector
    GM155466Courtesy of GENERAL MOTORS CORP.
  12. Connect the idle air control (IAC) valve electrical connector to the IAC valve.
  13. Install the air cleaner intake duct. Refer to Air Cleaner Intake Duct Replacement .
  14. Refill the radiator coolant. Refer to Draining and Filling Cooling System in Engine Cooling.
  15. Install the fuel injection sight shield. Refer to Fuel Injector Sight Shield Replacement (L36) in Engine Mechanical.
About FixVault