5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

Coolant dissapears, but doesn't seem to be leaking

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Old 07-26-2008, 11:31 AM
  #11  
Gary H
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Default RE: Coolant dissapears, but doesn't seem to be leaking

Water pump. Probably comming out of the weep hole.
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Old 07-26-2008, 11:38 AM
  #12  
projectresto83
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Default RE: Coolant dissapears, but doesn't seem to be leaking

Be sure that all of your water pump and thermostat housing bolts are tight. I had a couple that were a little loose after I got my motor up and going and it leaked a little. With a twist of a ratchet no more leak.
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Old 07-26-2008, 11:47 AM
  #13  
haromaster87
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Default RE: Coolant dissapears, but doesn't seem to be leaking

Okay, well, thats a start. lol I'll go check the bolts and all. Btw, just for sh*ts and giggles, anyone ever used one of those stop leak gimmicks? Someone said BARS was pretty good so I looked and I guess i'de need this one...

http://www.barsproducts.com/C16_R6.htm
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Old 07-26-2008, 02:20 PM
  #14  
projectresto83
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Default RE: Coolant dissapears, but doesn'

I havn't used anything on my cars but I have used them on Military vehicles over in Iraq. It saved me a few HMMWV radiators. Not the funnest thing to change.
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Old 07-27-2008, 12:33 AM
  #15  
PUDman
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Default RE: Coolant dissapears, but doesn'

don't use it!!! i used it once...not on a mustang but it plugged up everything and i blew a head gasket
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