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

When the A/C is ON, the car heats up a bit

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Old May 2, 2003 | 09:47 AM
  #1  
Highlander's Avatar
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From: San Juan PR
When the A/C is ON, the car heats up a bit

I am having a bit of problems with my A/C...

Whenever I turned it on it will start to heat up past the 1/2 mark and when its off it wont pass just a bit below the 1/4 mark...

I had the system without refrigerant for some time since I installed a cam and all that stuff... I then proceded to add refrigerant and the car cooled great and didn't heat up that much and as soon as you moved a bit it went down the 1/4 mark again...

Now.. The car heats up and it doesn't cool correctly.. I am in the process of measuring the PSI with the gauges today... but.. Anyone have any thoughts???

Last edited by Highlander; May 2, 2003 at 09:51 AM.
Old May 2, 2003 | 09:58 AM
  #2  
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From: Little Rock, AR
Depending on whether you have a 2 or 3 relay fan system, one or both of your fans should come on when the a/c is on. Check to see if that is happening. Fan relays are in the underhood electrical center.
Old May 2, 2003 | 09:59 AM
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Both fans turn on fine...
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