Harnessing Radiator Cap Pressure A Guide to Identifying and Fixing Problems

(Higher pressure, higher boiling point). I would just stick with the stock 16lbs and fix your bulging hoses or other problems. Most Cooling ... Confirm the rim is polished clean. Unlike for Miata thermostats, I find aftermarket radiator caps OK. Check the hose to the radiator's external ... Engine cold, loosen the cap to release any pressure then put it back on. Squeeze the top radiator hose to feel for pressure inside. Start the ... No, the whole idea of the pressure tester is so you can test the system COLD. Hook the tester to the radiator, pump it up, and watch it hold ... The rubber just won't hold it anymore. If it's older than 5, grab a tester or replace it. Once they fully loose pressure than you are in real ... I had the same problem as you described.Found that the distance from cap to the sealing rubber ( at end of cap ) wasn't as long as it should ... So is this the cause of my overheating problem all this time. I guess every time I turn the car off it won't pull back coolant from the ... If the cap is faulty, it won't be able to release the right amount of pressure, so the reservoir will begin to overflow. to replace your bad radiator cap. You will also learn how a radiator cap ... Doing This Will Prevent Overheating & Keep Your Car's Cooling System ... Coolant or vapor that leaks past that seal flows into the overflow/dump hose. A proper coolant pressure test kit (pump, gauge together with a ...