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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSPONTIAC2006G6 GTP, 2D COUPE, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 552 (ENGINE COOLING SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESPRESSURE CAP TESTINGTEST PROCEDURE
2006 Pontiac G6 GTP, 2D Coupe, Standard
Test Procedure
2006 Pontiac G6 GTP, 2D Coupe, StandardSECTION Test Procedure
WARNING: This page is about a different car, the 2006 Buick Lucerne. However, it is still accessible from the selected car via links, so may be relevant.
- Remove the pressure cap.
- Wash the pressure cap sealing surface with water.
- Use the J 24460-01 (1) with J 42401 (2) in order to test the pressure cap. See Special Tools .
- Test the pressure cap for the following conditions:
- Pressure release when the J 24460-01 exceeds the pressure rating of the pressure cap. See Special Tools .
- Maintain the rated pressure for at least 10 seconds.
Note the rate of pressure loss.
- Replace the pressure cap under the following conditions:
- The pressure cap does not release pressure which exceeds the rated pressure of the cap.
- The pressure cap does not hold the rated pressure.
CAUTION:
To avoid being burned, do not remove the radiator cap or surge tank cap while the engine is hot. The cooling system will release scalding fluid and steam under pressure if radiator cap or surge tank cap is removed while the engine and radiator are still hot.
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.
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.