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Coolant Leak

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Old 11-29-2009, 11:39 PM   #1
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Default Coolant Leak

Was under the car today and noticed some drips of water or antifreeze on the bottom of the oil pan, def smelled like it, cant see where its coming from though, water pump looks good, any ideas?
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Old 11-29-2009, 11:51 PM   #2
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Gravity put the drop on the oil pan. Antifreeze usually leaves a stain. Follow it up until you find the leak.

First I would check water pump or coolant tubes around the TB.

Pressure tester would find the leak quickly.
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Old 11-30-2009, 12:07 AM   #3
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Quote:
Originally Posted by eseibel67 View Post
Gravity put the drop on the oil pan. Antifreeze usually leaves a stain. Follow it up until you find the leak.

First I would check water pump or coolant tubes around the TB.

Pressure tester would find the leak quickly.
i just had injectors put in maybe they moved something up top?
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Old 11-30-2009, 12:14 AM   #4
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Put the front tires up on ramps, start it up and let it warm up for 15 minutes. You'll see it pretty soon after that. Keep looking after shut down too, sometimes they'll leak afterwards.

If you don't see a leak while its running, I'd let it get heat soaked, maybe go for a drive and let it get totally hot. Then come back, put in on the ramps, shut it down and look for leaks for a few minutes. After you shut it down the pressure in the cooling system will rise for a little while, some leaks will only leak at the higher pressures before it starts to cool down.

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Old 11-30-2009, 01:03 AM   #5
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check the heater core lines
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Old 11-30-2009, 11:07 AM   #6
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Quote:
Originally Posted by LS6427 View Post
Put the front tires up on ramps, start it up and let it warm up for 15 minutes. You'll see it pretty soon after that. Keep looking after shut down too, sometimes they'll leak afterwards.

If you don't see a leak while its running, I'd let it get heat soaked, maybe go for a drive and let it get totally hot. Then come back, put in on the ramps, shut it down and look for leaks for a few minutes. After you shut it down the pressure in the cooling system will rise for a little while, some leaks will only leak at the higher pressures before it starts to cool down.

.
YEP, this is how I discovered my water pump was weeping. It would only do it after fully heated & then shutting the car off. Replaced the WP & problem fixed.
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Old 11-30-2009, 11:45 AM   #7
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ok guys im gonna give it a try, and see where this thing is coming from
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Old 11-30-2009, 11:45 AM
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