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Home >> Pontiac >> 2004 >> Bonneville GXP >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls (Introduction) -- 4.6L (LD8) >> Repair Instructions >> Throttle Body Assembly Replacement >> Removal Procedure

Removal Procedure

  1. Relieve the fuel system pressure. Refer to the Fuel Pressure Relief Procedure .
  2. Remove the air cleaner intake duct.
  3. Remove the positive crankcase ventilation (PCV) valve fresh air tube.
    Fig 1: View Of PCV Valve Fresh Air Tube
    GM522644Courtesy of GENERAL MOTORS CORP.
    4. Fig 2: Accelerator Controls Cable, Bracket & Cruise Control Cable
    GM104766Courtesy of GENERAL MOTORS CORP.
  4. Remove the cruise control cable (2) from accelerator controls cable bracket (1).
  5. Remove the accelerator cable (3) from accelerator controls cable bracket (1).
  6. Remove the cruise control cable (2) from throttle body lever.
    7. Fig 3: Accelerator Control Cable & Throttle Body Lever
    GM175378Courtesy of GENERAL MOTORS CORP.
  7. Remove the accelerator control cable (3) from throttle body lever (2).
    8. Fig 4: IAC and TP Sensor Connectors
    GM574138Courtesy of GENERAL MOTORS CORP.
  8. Remove the idle air control (IAC) valve electrical connector (1) from the IAC valve (4).
  9. Remove the throttle position (TP) sensor electrical connector (2) from the TP sensor (3).
    10. Fig 5: Fuel Feed, Return Lines & Retainer
    GM574905Courtesy of GENERAL MOTORS CORP.
  10. Remove the fuel feed and return lines from the retainer (5) on the accelerator controls cable bracket.
    11. Fig 6: Transaxle Shift Cable
    GM574958Courtesy of GENERAL MOTORS CORP.
  11. Remove the transaxle shift cable (1) clip from the accelerator controls cable bracket.
    12. Fig 7: Throttle Body & Water Crossover
    GM573468Courtesy of GENERAL MOTORS CORP.
  12. Remove the throttle body (2) from the water crossover (1).
    13. Fig 8: Accelerator Controls Cable Bracket & Bolts
    GM573471Courtesy of GENERAL MOTORS CORP.
  13. Remove the accelerator controls cable bracket (3) from the throttle body (1).
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