Quick Answer: Why Is My Car Losing Coolant But Not Overheating?

Why does my car need coolant so often?

If the radiator does not have enough coolant, it may not be cooling the engine down properly, and engine damage could result from overheating.

Typically, coolant loss is caused by a leak.

A leak can be either internal, such as a leaky gasket, or external, such as a hose failure or crack in the radiator..

Is it normal for a car to lose coolant over time?

There should be NO loss of coolant under normal conditions. If your car is losing coolant there is a leak somewhere.

Can a bad thermostat cause you to lose coolant?

Another indication may be leaking coolant, which can occur when the thermostat does not allow coolant to flow when stuck in the closed position. … It can eventually cause other coolant hoses to leak as well, often resulting in coolant leaking on the ground under your vehicle.

What are signs of a bad thermostat?

Symptoms of a Bad or Failing ThermostatTemperature gauge reading very high and engine overheating. The first and potentially most alarming symptom will be the temperature gauge reading high into the red within the first 15 minutes of your vehicle engine running. … Temperature changing erratically. … Coolant leaks around the thermostat housing or under the vehicle.

Can you have a blown head gasket with no symptoms?

Whether they’re properly diagnosed or not, those ARE symptoms. Whoever told you a bad head gasket causes poor running/idling, overheating, smoking, etc. wasn’t lying, but there are other symptoms possible such as oil in the coolant. … There is a pretty durn good chance you do have a blown head gasket.

Is it normal for coolant level to drop?

That is why your car is not overheating. If you do not have to pour in coolant then there is nothing wrong with a decrease in level when the engine cools down in the coolant reservoir tank. … So, your situation is either normal or you have a very small external leak that eventually will cause your car to overheat.

How do I stop my coolant from boiling?

If you take the radiator cap off while it is hot the pressure will equalize lowering the boiling point and causing the coolant to flash boil which could result in serious burns and a mess, also check for cracks in the overflow and the radiator that would cause a reduction in operating pressure decreasing the boiling …

Why is my car losing coolant but not leaking?

When you are losing coolant but no leak is visible, several parts could be the guilty party. It could be a blown head gasket, a fractured cylinder head, damaged cylinder bores, or a manifold leak. … However, you may breathe easy if the mechanic does not find any trace of exhaust gases in the coolant.

How do I know if my Headgasket is blown?

Common symptoms of a blown head gasket include the following:External leaks of coolant from under the exhaust gasket.Overheating under the hood.Smoke blowing from the exhaust with a white-ish tint.Depleted coolant levels with no trace of leakage.Bubble formations in the radiator and overflow compartment.More items…•

What are the signs of a bad head gasket?

Bad head gasket symptomsWhite smoke coming from the tailpipe.Water leaking from the tailpipe.Bubbling in the radiator and coolant reservoir.Milky white coloration in the oil.Engine overheating.

Is it worth fixing a blown head gasket?

Is it Worth Repairing a Blown Head Gasket? In a word, yes. You cannot ignore a blown head gasket and expect to keep your car running in good condition. If a blown head gasket is not repaired in a timely fashion you risk a cascade effect of damage.

How do you know if your car thermostat is working?

Start your car’s engine and allow it to idle. Look through the radiator filler neck to see if the coolant flows. At this time, it should not be flowing as your car has not reached the operating temperature to cause the thermostat to open. If you find the coolant is flowing, it means the thermostat valve is open.

Why does my engine coolant keep disappearing?

A reservoir is under pressure in normal circumstances in order to increase the coolant’s boiling point. In case of a faulty radiator cap, the required pressure fails to build up inside the system, leading to overheating. When this happens, the coolant is likely to simply burn-off rather and disappear.

How much does it cost to fix a thermostat in a car?

The cost of getting a thermostat replaced in a car is about $200 to $300 on average. Of course, this will also greatly depend on the make, model, and year of the vehicle that you’re driving.