C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

95's leaking coolant

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Old Dec 21, 2006 | 10:39 PM
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Default 95's leaking coolant

im not much on diagnosis, so could someone give some advice here, after driving my 95' today, i noticed underneath the engine a puddle of green antifreeze on my floor,, not any place close to upper or lower rad hose, so where else should i look for it to be puddleing centered under engine???? thanks rj
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Old Dec 21, 2006 | 10:46 PM
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Usually, the water pump. From the weep hole on the bottom of the water pump. But that is in the front of the engine, are you saying it is from somewhere else?
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Old Dec 21, 2006 | 10:58 PM
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yes , its centered between the wheels ,left to right,, and pretty much centered even with the wheels front to back,, odd huh?,, thats where the puddle was,,,,,rj
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Old Dec 21, 2006 | 11:11 PM
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I would bet its coming from the water pump. How many miles are on the car?
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Old Dec 21, 2006 | 11:17 PM
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Originally Posted by JJ 86
I would bet its coming from the water pump. How many miles are on the car?
when my water pump went out on my camaro, it made a terrible noise, this sounds fine still, rj
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Old Dec 21, 2006 | 11:17 PM
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Originally Posted by JJ 86
I would bet its coming from the water pump. How many miles are on the car?
when my water pump went out on my camaro, it made a terrible noise, this sounds fine still, rj
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Old Dec 21, 2006 | 11:24 PM
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On my bros 92 his was leaking from the weap hole and the car still ran 190-200 degrees in 90+ degree weather and didn't make any noises. If it's leaking from the weap hole i would replace it before it soaks the opti. We found out his had been leaking when replacing the opti. I would check all hoses especially around the TB and also look the water pump over good before replacing anything. Just my $0.02.
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Old Dec 22, 2006 | 12:26 AM
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Sounds like the water pump as suggested. With the engine running look to see if there are drips under the car. A flashlight will help locate this. Is the coolant level low?
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Old Dec 22, 2006 | 07:38 AM
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Go to an AutoZone store and ask them to pressure test the radiator.
They take off the radiator cap off and pressure the system and in effect, force out coolant from where it is leaking. Its fast and free.
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Old Dec 22, 2006 | 07:44 AM
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If it is coming from the weep hole or anywhere else on the front of the engine, some of it will get on the belt and get slung on the underside of the hood. Look for a line of green dried antifreez on the underside of the hood just behind the headlights.

You really can't tell much from where the puddle forms because the coolant will follow the underside of the car till it finds the lowest spot and drip from there.

Last edited by scranage; Dec 22, 2006 at 07:58 AM.
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Old Dec 22, 2006 | 08:15 AM
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any hoses towards the firewall i can check or tighten clamps?? and which side?, thanks guys for the responses,, rj
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Old Dec 22, 2006 | 08:27 AM
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Yes, behind the passenger side wheel well, the heater core hoses. Is your passenger side carpet wet?

Last edited by scranage; Dec 22, 2006 at 08:32 AM.
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