If you leave it unrepaired, you could cause serious engine damage. When this happens, the engine starts to overheat. This typically only occurs because the seal is old and worn out. Leaking Thermostat HousingĬoolant leaks commonly occur around the thermostat housing because the seal cracks. Additionally, you may hear a lower groaning sound coming from the pump before it fails. Along with a leak, you may notice some other symptoms.įor starters, without the right amount of coolant circulating through the system, the engine can overheat. When the water pump gets old, it can fail. The car’s water pump is responsible for circulating coolant from the radiator to the engine block and back again. As with a leaking hose, you want to fix this problem sooner than later before the clamp gives out completely. These clamps can come in multiple forms, sometimes spring clamps are used, while other vehicles use wire clamps or screw and band clamps.Įither way, when the clamp wears out, the hose is going to leak. Loose Or Weak Radiator Hose ClampĬlamps are responsible for holding the radiator hoses in place. RELATED: Coolant Leaking From Hose – Causes & Fixes 2. If you don’t fix it right away, the hose can blow, leaving your engine without coolant and causing major problems. After many years of use, the rubber hoses are going to crack and break.Īt first, you may see a hose seeping a small amount of fluid. While this material is resistant to heat, chemicals and hot water, they aren’t immune to damage. These hoses are made from ethylene propylene (EPDM) in most cases. They are molded into specific curves to fit the space under the hood. Radiator hoses are needed to transport coolant. Some of these issues aren’t a big deal and can be easily repaired, while others indicate a serious problem. Leaks can also be caused by a bad thermostat housing, a worn intake manifold gasket, a bad heater core, a damaged radiator or cap, or a blown head gasket. Some of the most common reasons to see coolant under the car are a leaking radiator hose, a bad water pump or a loose radiator hose clamp. When you are all done, you’ll know more about the price to fix a coolant leak and find a few helpful answers to your top questions. We also show you how to find it and fix it so you don’t cause more damage to the car. In this guide, we cover the top reasons for a coolant leak. If you notice antifreeze dripping from the vehicle or the reservoir seems to be emptying, it’s time to fix your car. Unfortunately I am thinking of getting rid of the car (due to problems and baby on way) but if I knew that it was fixed I would feel more comfortable about selling privately.A coolant leak has a distinct smell and color, making it unmistakable from other fluid leaks. I have spent quite a bit of money on this problem but since it is not blatantly ovbious what's wrong I find my mechanic fiddling about with things and thinking it is fixed when it is not.ĭoes this sound simply like air in the system? I really hope it is! And now I cant risk taking it on the motorway (I did once and had to get towed) The car now only overheats if I travel more than about 20 miles. When I lift the hood and listen to the engine tick over (AFTER OVERHEATING), about every ten seconds I hear a feint 'sucking' sound. Since then I noticed that although the heating does get hot now, but if I run it for a while on full blast it actually returns to cold, this should not happen on a running engine. I had my thermostat replaced last week and the heating started to work again. On motorways/faster speeds there was no problem with overheating, but still no actual heating coming through to the cab. this happens maybe 2 or three time over the next mile and then the problem doesnt come back until the car is switched off and goes cold again. Dial flashed overheat for about 30 seconds and then returns to normal temp. This was the story before I replaced the thermostat:Īfter about 1 mile from a cold start, the dial flashes onto overheat, the heater still runs cold. Hi Gents, I am in the middle of this problem also.
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