Antifreeze leak - Forums at Modded Mustangs
 
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post #1 of 4 Old October 25th, 2010, 11:53 AM Thread Starter
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Antifreeze leak

Hey all,
So lately it's been getting cold here, and the other day it was around 40 degrees.

Well I started my car the other day when it was about 35-40 out. And I let it sit for a little while. I checked under the hood and there were no problems, leaks, or anything that I could see.

I drove about 1 mile to my friends house and I popped the hood to show him the engine, but it was leaking some antifreeze from around the water pump.

To me it seems like it's the gasket that's leaking. Is this a common problem? Or should I be worried?
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post #2 of 4 Old October 25th, 2010, 01:05 PM
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Around the water pump is a bit vague. The fan blows it around as well. It could be coming from the lower intake gasket and running down, a pin hole int he hose, the thermostat housing gasket, the wp gasket, or from the weep hole underneath the WP (alerts you that the internal seal is going bad).
Clean it all up, fill it up, start the car and let it warm up and try to get a better idea of the source. If it is the turns out to be the WP gasket or the weep hole, you should replace both the pump and gasket anyway.

You should fix it sooner than later, small leaks in coolant don't stay small leaks very long.


Last edited by nolife; October 25th, 2010 at 01:15 PM.
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post #3 of 4 Old October 25th, 2010, 06:47 PM
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Quote:
Originally Posted by nolife View Post
Around the water pump is a bit vague. The fan blows it around as well. It could be coming from the lower intake gasket and running down, a pin hole int he hose, the thermostat housing gasket, the wp gasket, or from the weep hole underneath the WP (alerts you that the internal seal is going bad).
Clean it all up, fill it up, start the car and let it warm up and try to get a better idea of the source. If it is the turns out to be the WP gasket or the weep hole, you should replace both the pump and gasket anyway.

You should fix it sooner than later, small leaks in coolant don't stay small leaks very long.
i concur

1990 gt 5.0
Mac Performance 76mm straight shot intake
70mm Accufab tb and egr spacer
Trick Flow Track Heat u/l intake
3.55 gears
MSD distributor, Blaster Coil, and 8.5mm wires
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post #4 of 4 Old October 26th, 2010, 03:04 PM Thread Starter
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Well it's a newer water pump, so I don't think it's the seal. But I will definitely check the rest of the things you recommended. Thanks.
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