Question about 1996 Pontiac Grand Am

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Heater is cold leaking water - 1996 Pontiac Grand Am

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Might need to flush out the heater core

Posted on Jan 03, 2013


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Overheating leaking water profusly especially when you turn it off. Leaking somewhere behind the motor, also passenger side heat not working blowing cold air.

It sounds like you have a busted heater core hose. The only solution is to pin point the leak and replace the hose that's leaking. There are usually two heater core hoses coming out of the firewall on the passenger side of the vehicle. Examine both of them carefully for a blowout. Many times when a hose goes bad or is getting ready to go bad, it will have some swelling or deformation around the end of it. I hope this helps.

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88 bronco II, heater hose going to water is cold, and my heater blows cold air, is my water pump going bad? the return heater hose is warm, it was heating once in awhile now it don't heat at all just cold...

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It could be the water pump, the air switches from hot to cold because the heater core is the highest point in the cooling system so as you run low on water you lose heat, if the water pump has siezed you are in danger of losing the serpentine belt, so don't wait to get it fixed.

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I have a mercury sable 1996 that is leaking water looks like from inside of motor. heater blowing cold as well. please help!!!


Mar 01, 2010 | 1996 Mercury Sable

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Leaking water

this sounds like a leaking heater core. It can be difficult to fix if your not experienced for it can be in a tight area. The trick is to be patient and get ready to work in a tight area. Is the water warm or cold? This can also be condensation from the air conditioner. If cold it is a hose that has come loose. If warm, most likely the heater core. Check with your local parts store for price of new one and you might compare to what a repair shop would charge. It can take a while and be frustrating.

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sounds like heater core is it wet in the front on the floor under dash check out or the heater valve could be leaking also

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