Does Coolant Reservoir Need To Be Airtight? It does not have to be air tight, in fact it cannot be. The coolant expands as its temperature increases, and the tank would swell or burst. It is completely normal for the coolant level to fluctuate up to an inch in the reservoir at operating temp. How
How Do I Get The Cap Off My Coolant Tank? If your system has a safety pressure cap, lift the lever on the safety cap to allow the pressure to escape. To keep from burning your hand, place a cloth over the cap after you raise the lever. Then turn the cap counterclockwise to remove
Do All Radiator Caps Fit The Same? Do all radiator caps fit the same? Radiator caps can come in all shapes and sizes unique to your car’s radiator. Different vehicles have different systems and therefore work with individual pressures. How do I know which radiator cap to buy? Each cap is different depending on the
Does Coolant Cap Need To Be Tight? Does coolant cap need to be tight? A loose radiator cap will cause the system not to pressurize, resulting in overheating. In this case, the coolant is more likely to be lost to boiling off than by simple evaporation. Depending on the vehicle, it may or may not