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Home >> Pontiac >> 2007 >> Grand Prix GXP >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Controls & Fuel - 3.8L - Introduction (2 Of 2)) >> Repair Instructions >> Fuel Rail Assembly Replacement (L32) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
NOTE: Refer to Fuel Rail Notice .
NOTE: Refer to Cover and Plug Openings Notice .
IMPORTANT: When servicing the fuel rail assembly, take precautions to prevent dirt and other contaminants from entering the fuel passages. Cap the fittings and plug the holes during servicing.
IMPORTANT: Always maintain cleanliness when servicing fuel system components.
    Fig 1: View Of Fuel Injector Electrical Connectors
    GM198402Courtesy of GENERAL MOTORS CORP.
  1. Relieve the fuel pressure from the fuel system. Refer to Fuel Pressure Relief .
  2. Clean the fuel rail assembly and the fuel feed pipe.
  3. Disconnect the fuel feed pipe from the fuel rail. Refer to Metal Collar Quick Connect Fitting Service .
  4. Remove the generator brace. Refer to Generator Brace Replacement (L26) or Generator Brace Replacement (L32) in Engine Electrical.
  5. Disconnect the fuel injector electrical connectors.
    6. Fig 2: View Of Fuel Injector Electrical Harness Clip
    GM198404Courtesy of GENERAL MOTORS CORP.
  6. Remove the fuel injector electrical harness clips holding harness to front and the rear of the fuel rail.
    7. Fig 3: Boost Control Solenoid
    GM910930Courtesy of GENERAL MOTORS CORP.
  7. Unclip and remove the spark plug wires from the fuel rail retaining clips.
  8. Disconnect and reposition the spark plug wires from the ignition control module.
  9. Remove the fuel rail hold-down nuts (2).
  10. Remove the fuel rail (1) with the fuel injectors (3) with equal force on both sides of the fuel rail.
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