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Old 03-10-2006, 11:10 AM   #1
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Default A/C compresser

i have a 1994 see when i turn my heat on the a/c compresser turns on and off about every 10-15 sec. When it turns on make my rpm,* jump up and the car starts to pull,with the heat off its fine could it be a bad compresser
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Old 03-10-2006, 11:13 AM   #2
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The compressor takes a lot to turn it, therefore the engine compensates by increasing rpm a bit.

This is normal. I would suggest that you reach over and press the A/C button to turn it off when you aren't using it. All it does is use more fuel.
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Old 03-10-2006, 11:18 AM   #3
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my car doesent have a a/c button you just set it to the temp but hot air comes out at 60 and at 90 but the a/c compresser still comes on
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Old 03-10-2006, 11:24 AM   #4
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You dont?

Middle button under the display says what?
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Old 03-10-2006, 11:37 AM   #5
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my bad it says econ not in the middle but on the left i have it off and on still does it
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Old 03-10-2006, 12:19 PM   #6
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On most cars the A/C compressor will cylcle off and on when defrost is selected. Make sure you have not got defrost selected and see if it still does this. If it does there is something wrong if it doesn't this may be a sign that your A/C pressure is weak and needs recharging that is why it keeps cycling. Dan
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Old 11-11-2006, 01:23 PM   #7
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Default 1994 A/C cycles

I have been trying to find someone that can explain to me why with the A/C charged to the appropriate range my compressor continues to cycle every 4 seconds. The A/C still is not very cool at all. I have taken it to have it repaired and they simply charged it and said they could not find any problems.
I have to assume this 4 second cycle is not normal.
Can you help explain what I need to do to test or repair this issue?
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