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1999 chevy s10 over heating

  #1  
Old 01-04-2007, 11:11 PM
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Join Date: Jan 2007
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Default 1999 chevy s10 over heating

my chevy has a tendancy to over heat only when idiling it has got up past 3/4 of the way to the redline and it looks like it is going to reach it but when i start to drive it stops rising and it drops to normal temp is this the thermostat or what could be the problem?
 
  #2  
Old 01-05-2007, 02:22 AM
Join Date: Dec 2006
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Posts: 167
Default RE: 1999 chevy s10 over heating

check your fan...
 
  #3  
Old 01-05-2007, 02:46 PM
Join Date: Jan 2007
Location:
Posts: 97
Default RE: 1999 chevy s10 over heating

What kid of oil do you use?
What is the weather like where you are?
When was the last time your radiator was flushed ?
Check the fan and the water pump.
 
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