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.

runs hot after driving hard

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Old 06-09-2006, 10:04 PM
  #11  
89GT5.0
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Default RE: runs hot after driving hard

Well this is the same exact thing it did before we took it to the shop and what he did fixed it for a little while, then it started doing the same thing as before.
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Old 06-11-2006, 05:11 PM
  #12  
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Default RE: runs hot after driving hard

what about BARS Stop leak? Is that bad for your car?
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Old 06-11-2006, 05:25 PM
  #13  
randy78045
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Default RE: runs hot after driving hard


ORIGINAL: 89GT5.0

what about BARS Stop leak? Is that bad for your car?
dont use it... fix the problem....
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Old 06-12-2006, 12:03 PM
  #14  
gspfunk
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Default RE: runs hot after driving hard

I'd take it back to them. It doesn't sound like they fixed anything....
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Old 06-12-2006, 12:12 PM
  #15  
Vertastang
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Default RE: runs hot after driving hard

what does the Fluid look like milky or anything?? could be head gasket. i had that problem on my old motor, would only over heat when i hammerd it, be hey just my 2 cents, could be some simple as a thermostate not working right!
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Old 06-12-2006, 10:31 PM
  #16  
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Default RE: runs hot after driving hard

yea well i drove it today and after the first 5 miles it ran hot. I took the radiator cap off and it lost some water. I kept putting water in it until it was full, then it would suck some water, then i added more until it stopped taking water. After doing this i could drive it forever without it running hot. ??? Do yall think its the thermostat sticking? ???
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