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Home >> Buick >> 2004 >> Century Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 87 (Engine Mechanical - 3.8L) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Intake Manifold Removal - Upper

Intake Manifold Removal - Upper

WARNING: This page is about a different car, the 2004 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Ignition Control Module Assembly
    GM638520Courtesy of GENERAL MOTORS CORP.
  1. Remove the spark plug wires.
  2. Disconnect the ignition wires from the fuel injector rail.
  3. Disconnect the ignition control module connector from the ignition control module assembly.
  4. Remove the ignition control module assembly nuts.
  5. Remove the ignition control module assembly.
    6. Fig 2: Fuel Injector Rail
    GM153568Courtesy of GENERAL MOTORS CORP.
  6. Remove the fuel injector rail nuts.
  7. Remove the fuel injector rail.
    8. Fig 3: Accelerator Control Cable Bracket
    GM192745Courtesy of GENERAL MOTORS CORP.
  8. Remove the accelerator control cable bracket bolts.
  9. Remove the accelerator control cable bracket from the intake manifold.
    10. Fig 4: Engine Wiring Harness Heat Shield
    GM211908Courtesy of GENERAL MOTORS CORP.
  10. Remove the engine wiring harness heat shield bolt and nut.
  11. Remove the engine wiring harness heat shield.
    12. Fig 5: Throttle Body Removal & Installation
    GM153566Courtesy of GENERAL MOTORS CORP.
  12. Remove the throttle body nuts.
  13. Remove the throttle body.
  14. Remove the throttle body gasket.
    15. Fig 6: Upper Intake Manifold
    GM42225Courtesy of GENERAL MOTORS CORP.
  15. Remove the upper intake manifold bolts and nuts.
  16. Remove the upper intake manifold.
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