Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSPONTIAC2008GRAND PRIX BASEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 304 (ENGINE COOLING)REPAIR INSTRUCTIONSRADIATOR REPLACEMENT (ELECTRIC)

2008 Pontiac Grand Prix Base

Radiator Replacement (Electric)

2008 Pontiac Grand Prix BaseSECTION Radiator Replacement (Electric)

WARNING: This page is about a different car, the 2008 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Radiator Assembly & Bolts

Courtesy of GENERAL MOTORS CORP.

Callout

Component Name

Preliminary Procedure

Drain the cooling system. Refer to Cooling System Draining and Filling (Static Fill) or Cooling System Draining and Filling (Vac-N-Fill) .
Remove surge tank hose/pipe. Refer to Radiator Surge Tank Inlet Hose/Pipe Replacement .
Remove radiator hose inlet. Refer to Radiator Inlet Hose Replacement .
Remove radiator hose outlet. Refer to Radiator Outlet Hose Replacement .
Remove cooling fan and shroud. Refer to Cooling Fan and Shroud Replacement .
Remove engine oil cooler pipe/hose quick connect. Refer to Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection .
Remove transmission oil cooler lines. Refer to Transmission Fluid Cooler Hose/Pipe Replacement .

Radiator Bolt (Qty: 2)

NOTE: Refer to Fastener Notice .

Tighten: 25 N.m (18 lb ft)

Radiator Assembly

RENDER: 1.0x

NO RELATED

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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.