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HOMESERVICE MANUALSPONTIAC2008GRAND PRIX BASEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 2 (ENGINE CONTROLS AND FUEL - 5.3L - INTRODUCTION (2 OF 2))REPAIR INSTRUCTIONSFUEL HOSE/PIPES ASSEMBLY REPLACEMENTREMOVAL PROCEDURE
2008 Pontiac Grand Prix Base

Removal Procedure

2008 Pontiac Grand Prix BaseSECTION Removal Procedure
WARNING: This page is about a different variant/trim than selected.
IMPORTANT: Clean the fuel connection and surrounding areas prior to disconnecting the lines in order to avoid possible system contamination.
    Fig 1: View Of Fuel Feed Line & Evaporative Emission (EVAP) Line
    GM1551868Courtesy of GENERAL MOTORS CORP.
  1. Remove the engine sight shield. Refer to Upper Intake Manifold Sight Shield Replacement .
  2. Remove the air cleaner outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement .
  3. Remove the brake master cylinder and reposition. Refer to Master Cylinder Replacement .
  4. Relieve the fuel system pressure. Refer to Fuel Pressure Relief (With CH 48027) or Fuel Pressure Relief (Without CH 48027) .
  5. Disconnect the fuel feed line (1) from the fuel rail. Refer to Metal Collar Quick Connect Fitting Service .
    6. Fig 2: Fuel/Brake Pipe Retainers
    GM1555269Courtesy of GENERAL MOTORS CORP.
  6. Open the fuel/brake pipe retainers (1).
  7. Remove the fuel feed line from the fuel/brake pipe retainers (1).
  8. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
    9. Fig 3: Fuel/Brake Line Retainer Bolt
    GM1555271Courtesy of GENERAL MOTORS CORP.
  9. Remove the fuel/brake line retainer bolt.
  10. Remove the fuel feed line from the retainer.
    11. Fig 4: Fuel/Brake Line Push In Retainer
    GM1555273Courtesy of GENERAL MOTORS CORP.
  11. Remove the fuel/brake line push in retainer from the underbody.
  12. Remove the fuel feed line from the retainer.
    13. Fig 5: Fuel/Brake Pipe Retainer Bolts
    GM1555275Courtesy of GENERAL MOTORS CORP.
  13. Remove the fuel/brake line retainer bolts.
  14. Remove the fuel feed line from the retainer.
    15. Fig 6: Rear Fuel/Brake Pipe Retainer
    GM1555277Courtesy of GENERAL MOTORS CORP.
  15. Open the fuel/brake line retainer (1).
  16. Remove the fuel feed line from the retainer.
    17. Fig 7: View Of Fuel Feed, EVAP and Fuel Tank Lines
    GM1554561Courtesy of GENERAL MOTORS CORP.
  17. Disconnect the fuel feed (3) and evaporative emission (EVAP) (4) lines from the fuel tank lines (1, 2). Refer to Plastic Collar Quick Connect Fitting Service .
  18. Remove the fuel feed line.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.