Removal Procedure

2008 Pontiac Grand Prix BaseSECTION Removal Procedure
WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
  1. Drain the cooling system. Refer to Draining and Filling Cooling System .
  2. Fig 1: Radiator Hose & Radiator (Inlet)
    GM801113Courtesy of GENERAL MOTORS CORP.
  3. Reposition the radiator inlet hose clamp (5) from the radiator (6).
  4. Remove the radiator inlet hose (4) from the radiator (6).
  5. Remove the fan shroud. Refer to Fan Shroud Replacement .
  6. Fig 2: Radiator Hose & Radiator (Outlet)
    GM801112Courtesy of GENERAL MOTORS CORP.
  7. Reposition the radiator outlet hose clamp (2) from the radiator (1).
  8. Remove the radiator outlet hose (3) from the radiator (1).
  9. Fig 3: Surge Tank Hose & Radiator
    GM801111Courtesy of GENERAL MOTORS CORP.
  10. Reposition the surge tank inlet hose clamp from the radiator.
  11. Remove the surge tank inlet hose (1) from the radiator.
  12. Fig 4: Radiator Vent Inlet Hose
    GM801115Courtesy of GENERAL MOTORS CORP.
  13. Reposition the radiator vent inlet hose clamp from the radiator.
  14. Remove the radiator vent inlet hose (2) from the radiator.
  15. Remove the engine oil cooler lines from the radiator. Refer to Engine Oil Cooler Pipe/Hose Quick Connect Fitting .
  16. Remove the transmission oil cooler lines from the radiator. Refer to Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Replacement .
  17. Fig 5: Identifying Radiator
    GM801114Courtesy of GENERAL MOTORS CORP.
  18. Remove the radiator bolts (3) from the radiator (2).
  19. Remove the radiator (2) from the vehicle (1).
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.