Empower Your Ride The Essential Guide to Fixing a Radiator Cap That's Losing Pressure

Find the "REAL" Radiator cap, under the plastic beauty cover over the top of the radiator. With the system cool, remove the cap and make sure the radiator is ... if your cap isn't holding pressure take off the cap (Make sure your engine is cooled and de-pressurized first!) and take a pair of needle nose ... The cap is rated for certain pressure (and IIRC it's different for ... Both caps lock down arrow to arrow and won't advance further. Don't the radiator caps hold the pressure? Maybe the cap is loose ... My problem is that I can drive my truck all day and it won't accumulate ... Confirm the rim is polished clean. Unlike for Miata thermostats, I find aftermarket radiator caps OK. Check the hose to the radiator's external ... There is no valve in the radiator cap that permits only gases or vapors to pass and not liquids. If the cap is not sealing, there is a pathway ... Clue #5- Damaged radiator hose ... A defective radiator cap can build enough pressure in the cooling system, bursting the radiator hose. If this ... Then, you work on things and lean n the hose shoving it into the bolt head. Since that is outside the cap, a pressure test won't find it as a ... If the system will not hold vaccum then you have a internal seal problem (Headgasket failure). ... The cooling system can still hold pressure. But ... 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 ...