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 MANUALSCHEVROLET2006SUBURBAN K2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 161 (COMMON SPECS & PROCEDURES)ENGINE COOLINGRADIATOR CAP PRESSURE
2006 Chevrolet Suburban K2500, 6.0 U
Radiator Cap Pressure
2006 Chevrolet Suburban K2500, 6.0 USECTION Radiator Cap Pressure
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2003 GMC Savana Special, 2003 GMC Savana Camper Special, 2003 GMC Savana, 2003 Chevrolet RV Cutaway, and 2003 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
Tools Required
J 24460-01 Cooling System Pressure Tester
WARNING:
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.
- Remove the pressure cap.
- Wash the pressure cap sealing surface with water.
- Use the J 24460-01 in order to test the pressure cap.
- Test the pressure cap for the following conditions:
- Pressure release when the J 24460-01 exceeds the pressure rating of the pressure cap.
- 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.
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.