SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSOLDSMOBILE2004BRAVADA RWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1395 (ENGINE COOLING SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESENGINE FAILS TO REACH NORMAL OPERATING TEMPERATURE
2004 Oldsmobile Bravada RWD

Engine Fails To Reach Normal Operating Temperature

2004 Oldsmobile Bravada RWDSECTION Engine Fails To Reach Normal Operating Temperature
WARNING: This page is about a different car, the 2004 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
Engine Fails To Reach Normal Operating Temperature

Step Action Yes No
1 Inspect the thermostat for the following conditions:
  • The thermostat remains open.
  • An incorrect thermostat is installed.

Does either of the above conditions exist?		 Go to Step 2  Go to Step 3 
2 Install a new thermostat of the correct type and heat range.
Does the engine still fail to reach the normal operating temperature?		 Go to Step 3  System OK
3 Inspect the coolant level.
Is the coolant level below the ADD mark?		 Go to Step 4  Go to Step 5 
4 Add coolant.
Does the engine still fail to reach the normal operating temperature?		 Go to Step 5  System OK
5 Inspect the radiator for the following conditions:
  • Plugging
  • A faulty cap

Does either of the above conditions exist?		 Go to Step 6  Go to Step 7 
6
  1. Inspect the radiator or the cap.
  2. Replace the cap as necessary.
Does the engine reach the normal operating temperature?		 System OK Go to Step 7 
7 Inspect the cylinder head.
Is the cylinder head or block cracked or plugged?		 Go to Step 8  -
8 Repair the cylinder head or block as necessary.
Does the engine reach the normal operating temperature?		 System OK -
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

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.