Loose Coolant Reservoir Cap

When the engine is cold the pressure of the cooling system is low and more coolant is required and.

Loose coolant reservoir cap.

Autokay coolant overflow reservoir tank cap radiator reservoir cap for nissan infiniti 21712 79900 yellow. If you have a bad radiator cap the coolant could get released too quickly and cause the reservoir to overflow. A loose radiator cap will cause the system not to pressurize resulting in overheating. Free shipping on your first order shipped by amazon.

System pressure is usually 14 or 15 psi. Coolant goes into the reservoir tank as it expands. With the engine cool remove the radiator cap and attach the tester hose to the radiator neck or the coolant recovery tank depending on your particular vehicle model. Start pumping air into the system until the tester gauge reads the system pressure as indicated on the radiator cap.

The radiator cap releases the extra pressure by sending some coolant into the overflow tank. While you re in there check to make sure your coolant overflow tank is working properly. In this case the coolant is more likely to be lost to boiling off than by simple evaporation. But they do a lot more than just that.

Koauto engine coolant tank cap for 03 12 nissan murano 350z versa 21712 79900. The radiator cap and expansion tank cap make sure the filling hole of the radiator and expansion tank are sealed off gastight. Get it as soon as thu sep 24. Coolant reservoirs are required because engines go through cycles of expelling and absorbing coolant as they warm up and cool down.

The coolant reservoir is the plastic reservoir mounted in the engine bay that stores the coolant for the engine.