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Home >> Pontiac >> 2004 >> Vibe GT >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Introduction) -- 1.8L (LNK) >> Repair Instructions >> Throttle Body Assembly Replacement >> Removal Procedure

Removal Procedure

    Fig 1: View Of Engine Upper Cover
    GM828878Courtesy of GENERAL MOTORS CORP.
  1. Remove the 4 fasteners from the engine cover (1).
  2. Remove the engine cover (1) from the engine.
    3. Fig 2: Throttle Body Components
    GM833112Courtesy of GENERAL MOTORS CORP.
  3. Remove the air inlet duct (2) from the throttle body assembly (1).
  4. Remove the positive crankcase ventilation (PCV) breather hose (6).
  5. Remove the throttle position (TP) sensor connector (4).
  6. Rotate the throttle lever and disconnect the accelerator cable and the throttle valve cable, if equipped.
  7. Disconnect the electrical connector (5) of the idle air control (IAC) valve.
  8. Drain the cooling system. Refer to Draining and Filling Cooling System in Engine Cooling.
  9. Remove the 2 coolant hoses (3) from the throttle body.
    10. Fig 3: Throttle Body, Gasket, Cable Bracket, Nuts And Bolts
    GM833114Courtesy of GENERAL MOTORS CORP.
  10. Remove the 2 throttle body nuts (3) and the accelerator control cable bracket (4).
  11. Remove the 2 throttle body bolts (5).
  12. Remove the throttle body (2) and the gasket (1) from the intake manifold.
    13. Fig 4: Throttle Body Gasket
    GM833107Courtesy of GENERAL MOTORS CORP.
  13. Clean any remaining throttle body gasket (1) from the intake manifold.
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