LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

running hot...weird though

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Old Jul 22, 2006 | 03:04 PM
  #1  
tintagel13's Avatar
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running hot...weird though

my car is running hot...only with ac on...with ac on and doing 70 on interstate in overdrive it does great...any other time with ac on it starts creeping higher... turn ac off and it goes down...seems to be getting a little higher than half way on the gauge...maybe 220 or 230...thermostat is around two years old as is the water pump...seems to have started a few months ago and i think it may be getting worse...checked coolant...bled according to shoebox's site...checked for obstructions and blew out and washed condenser and radiator...air foil underneath looks good...any thoughts would be appreciated...
Old Jul 22, 2006 | 03:15 PM
  #2  
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Re: running hot...weird though

When you turn on the A/C, do you hear the secondary fan come on?
Old Jul 22, 2006 | 03:19 PM
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Re: running hot...weird though

i have the manual fan switch and run with both fans on...
Old Jul 22, 2006 | 07:38 PM
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Re: running hot...weird though

Radiator stopped up?
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