Mastering the Art of Restoring Radiator Cap Pressure

Is YOUR coolant going down but NO leak evident, no puddles etc❓ Classic bad radiator cap signs❗ How to fix exhaust heat shield rattle: ... 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 ... I read some people use tire pressure valves inserted into old radiator cap and pumped them up with a bicycle tire pump with a pressure meter or ... 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 ... Get the engine up to operating temperature with the pressure cap off, start the Block Chek test. Rev the engine to 2,000, 3,500, then back to ... Clue #5- Damaged radiator hose ... A defective radiator cap can build enough pressure in the cooling system, bursting the radiator hose. If this ... The cap should vent at 16psi. When it's cold there shouldn't be any pressure under there as it should be linked to your overflow bottle to vent excess pressure ... Take the cap adapter and screw it onto the pressure tester's end. Keep screwing until you cannot screw it anymore. If you don't know what the ... Header tank cap or radiator cap is faulty ... The car coolant header tank is equipped with a pressure release valve in the filler cap, intended to release coolant ... If the system will not hold vaccum then you have a internal seal problem (Headgasket failure). ... The cooling system can still hold pressure. But ...