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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 427 (Engine Mechanical - 4.8L, 5.3L, & 6.0L (Unit Repair)) >> Repair Instructions >> Throttle Body Removal

Throttle Body Removal

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IMPORTANT: The intake manifold, throttle body, fuel injection rail, and fuel injectors may be removed as an assembly. If not servicing the individual components, remove the manifold as a complete assembly.
  1. Remove the electrical wire harness connectors from the throttle body.
  2. Remove the engine coolant air bleed hose and clamp.
  3. Remove the throttle body nuts.
  4. Remove the throttle body.
    Fig 1: Throttle Body & Nuts
    G01674599Courtesy of GENERAL MOTORS CORP.
  5. Remove the throttle body gasket (1).
  6. Discard the gasket.
  7. Remove the throttle body studs, if required.
    Fig 2: Throttle Body Gasket
    G01674600Courtesy of GENERAL MOTORS CORP.