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.

Water temp problem

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Old 06-25-2009, 09:05 AM
  #1  
jgstang
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Default Water temp problem

I've noticed since this past Saturday that my temp guage goes higher than normal. It goes almost to the high side before the fan comes on, and then it kind of stays there. It used to stay at the halfway point. I know it's not the thermostat or the water pump. Any suggestions?
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Old 06-25-2009, 11:15 AM
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mustangsneverdie
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change the t-stat 1st since it ain't that hard to change and not that expensive
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Old 06-26-2009, 12:22 AM
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jgstang
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It has a new thermostat and waterpump.
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Old 06-26-2009, 04:15 AM
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mustangsneverdie
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then flush out the rad
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Old 06-26-2009, 06:00 AM
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O and make sure your hoses aren't mushy or collapsing from the suction
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Old 06-26-2009, 07:28 AM
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smacked1
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quick question relating to temp, the highest my temp gauge ever goes on the stock gauge is a tad above the middle mark is that normal?
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Old 06-26-2009, 12:34 PM
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mustangsneverdie
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Originally Posted by smacked1
quick question relating to temp, the highest my temp gauge ever goes on the stock gauge is a tad above the middle mark is that normal?
what middle mark? my 91 never goes above the A and it usually stays right around the L
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Old 06-27-2009, 11:39 AM
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Jrichber95GTS
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94-95 usually have a problem with the low speed fan relay going out so the fan dont kick in until the engine gets warmer. So if the temp goes back down a little once the fan kicks on it shouldnt be to big of a problem. Can install a switch if your worried about it.
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