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leaking coolant from firewall?

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Old 08-01-09, 09:46 PM
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leaking coolant from firewall?

so i finally traced down the coolant ive been leaking all the way back to this hose. from what im told its the heater hose but i have no idea why its leaking the clamp on it is brand new. if you look directly under the hose u can see how water has been leaking from the hose and it has dried or something.



any help would be appreciated thanks pplz
Old 08-01-09, 10:18 PM
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so is it getting inside the passenger side? i had the problem where coolant was getting inside and there was huge puddle on the passenger side carpet. or is it on the other side of the firewall?
Old 08-01-09, 10:33 PM
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i would take that hose clamp off and make sure there are no cuts on the hose.
Old 08-01-09, 11:04 PM
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How old is the hose? That looks like the driver-side heater hose, which loves to fail and kill engines. If it isn't brand new, I'd pick up a new one from Mazda for peace of mind. Unfortunately, that's also probably the most expensive formed hose on the car. It doesn't really matter how new a hose clamp is. If the hose is failing, no clamp will seal it.
Old 08-03-09, 10:19 AM
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I just bought all three heater hoses from Malloy Mazda. That one was $29; the other two were $15 each. Not dirt cheap, but not that bad either for something that you probably only need to replace every 10 years.
Old 08-03-09, 05:01 PM
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lol i just got the hose from pick and pull so im not sure of the condition its in it looks pretty good and i didnt notice any cuts in the hose i might have tightened the clap too tight and pinched it so ill have to check it
Old 08-12-09, 11:05 PM
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Did you use pliers to pull off the old hose? I've seen people do that and oval the nipple on the fire wall. If that happens you don't get a tight seal which of course, results in a leak.
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