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Coolant issue

Old 10-16-2016, 09:33 PM
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Join Date: Oct 2016
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Default Coolant issue

Hello ,
I got Volvo 1999 s80 which runs well but I found coolant missing so I went to mechanic he did pressure test and found there is a coolant leak from heater hose I replaced both hoses and also the radiator cap . My car was running good with no leak for 10 days and I see the coolant low message again and when I park my car I can see there's a leak on the floor. Can someone please help me what would be the problem ? Is it water pump or head gasket?
Old 10-16-2016, 10:36 PM
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Join Date: Oct 2016
Location: Minneapolis
Posts: 61


Head gaskets usually leak inside the engine, water pump could be the issue but I would check hoses again. The best way of course is to open your hood and also climb under the car right after a trip and see where the water is dripping from, it can help you locate the exact spot.

If you just had some of your hoses replaced those could also be the issue as they are very prone to leak if not installed 100% correctly.
Old 10-17-2016, 09:40 AM
Join Date: Mar 2012
Location: Ridgefield, CT
Posts: 4,604

floor of the garage or floor inside the cabin? If its the floor of the garage, I'd give a close look at the outside edges on the radiator where the plastic meets the metal. Not uncommon for a crack to develop along those seams. If there's coolant in the cabin, then most likely its the heater core or its o-rings.
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