Radiator empty valves, or petcocks, scarcely cleft. When they discharge fracture, it is normally in that the valve sat unused for a continued extent of clock. This is mythical worse by the employment of plastic in fresh radiator interpretation. Let the radiator fluid completely drain.3. Shine a flashlight around the threaded area where the valve seats. Carefully inspect the tank and threads for cracks or spider-webbing.
1. Community a extract pan under the radiator petcock. Remove the radiator cap To admit the fluid to bleed more freely.
2. Place a wrench or socket wrench over the valve and fit it on the tightening nut that holds the valve in place. Remove the valve. Improper Emigration of the valve by misaligning the wrench or socket stresses the vat and causes the plastic to crack. The crowing experience is to routinely assistance the radiator. This keeps the petcock from seizing and the radiator coolant in great shape.
Instructions
Replace the tank or the radiator if any problems are discovered.
4. Install the new valve. Be careful not to overtighten it and crack the plastic tank. However, be certain the valve is fully seated and does not leak. Pour a small amount of water in the radiator and inspect the valve for leaks before completely refilling the radiator.
5. Refill the radiator and replace the cap. Let the car warm up, then shut the engine off and let it cool. Refill the radiator to eliminate any air pockets inside the cooling system.
