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Home >> Buick >> 2009 >> Allure CX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 3.8L - Introduction >> Repair Instructions >> Throttle Body Assembly Replacement >> Removal Procedure
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Removal Procedure

    Fig 1: Identifying Throttle Body Assembly (L26)
    GM911046Courtesy of GENERAL MOTORS CORP.
  1. Partially drain the cooling system. Refer to Cooling System Draining and Filling (L26 Static Fill) or Cooling System Draining and Filling (L26 GE 47716 Fill) .
  2. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .
  3. Remove the air cleaner intake duct. Refer to Air Cleaner Inlet Duct Replacement .
  4. Disconnect the throttle body electrical connector.
  5. Remove the throttle body nuts (4) and the bolts (5).
  6. Remove the throttle body assembly (1).
  7. CAUTION: Do not use solvent of any type when cleaning the gasket surfaces on the intake manifold and the throttle body assembly, as damage to the gasket surfaces and throttle body assembly may result.
    Use care in cleaning the gasket surfaces on the intake manifold and the throttle body assembly, as sharp tools may damage the gasket surfaces.
  8. Clean the throttle body gasket mating surfaces.