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Is it possible to find a slow coolant leak?

Is it possible to find a slow coolant leak?

Slow Coolant leaks are extremely difficult to diagnose. Unlike leaking oil, slow coolant leaks leave barely any residue behind. Coolant is half water and it’s other ingredients that don’t form a sticky residue so the slow leaks usually don’t leave an evidence trail.

Can a leaking coolant tank cause an engine to overheat?

An internal leak won’t cause a puddle of coolant under your car. Instead, it will be noticeable when your coolant level does not stay constant and you find that you need to constantly refill the tank to keep your engine from overheating.

Can a blown head gasket cause a slow coolant leak?

Blown head gaskets can also cause coolant to slowly get drawn into your engine causing a similar slow loss of coolant. If you have a blown head gasket it will have other symptoms so try reading our article on symptoms of a blown head gasket to tell if that is the problem you have.

Is there a coolant leak in my lacrosse?

My 2006 Lacrosse (3.8 series 3 with 150k miles) has a slow coolant leak that I can’t seem to place. I have to add a splash (probably under a half cup) just once every couple of weeks to keep the recovery tank on full. Here’s the story:

What causes losing coolant?

Coolant loss may indicate a poorly maintained cooling system, a system fault, or even a change in driving patterns. For example, a coolant leak could have any of these causes: Overfilling the cooling system. A faulty radiator cap.

Why is antifreeze leaking from the engine?

Other possible causes for an antifreeze leak include a damaged or faulty water pump, intake manifold gasket, or heater core , all parts of the coolant system. Like with a radiator replacement, these parts should be inspected and repaired by a pro.

Where is my coolant going?

If you have an automatic, it could go into the transmission pan via radiator coolant line. You can use a leakdown tester and look for bubbles in the radiator. If you are losing that much coolant, it has to be going somewhere (either into the pan, out the exhaust or onto the ground).

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Ruth Doyle