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HOMESERVICE MANUALSOLDSMOBILE2004BRAVADA AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1670 (ENGINE COOLING)DIAGNOSTIC INFORMATION AND PROCEDURESENGINE OVERHEATING
2004 Oldsmobile Bravada AWD

Engine Overheating

2004 Oldsmobile Bravada AWDSECTION Engine Overheating
WARNING: This page is about a different car, the 2003 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
Engine Overheating

Problem Action
Coolant fan inoperative Refer to Low Engine Coolant Indicator Always On .
Thermostat stuck closed Replace the thermostat.
Radiator fins obstructed
  • Remove or relocate add-on parts that block air to the radiator
  • Clean away bugs, leaves, etc.
  • In cold climates, clear away snow, etc. from the radiator core
Surge tank outlet hose pinched or kinked (at radiator)
  • Relieve kinks by re-routing
  • Replace the hose if necessary
Incorrect radiator Refer to the radiator usage chart in a parts catalog. If needed, replace with the correct radiator.
Loss of system pressure
  • Pressure check the system and the surge tank cap
  • Ensure that the correct cap is being used
Damaged or missing air seals or deflector Repair or replace as required.
Malfunctioning coolant pump Replace the coolant pump. Refer to Water Pump Replacement (L81)  or Water Pump Replacement (L61) .
Air trapped in cooling system Refill the cooling system.
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.