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a/c question

This is a discussion on a/c question within the General Help forums, part of the LSx Technical Help Section category; When I use my air conditioning it blows warm air for about 10 minutes and then starts cooling off. I ...

  1. #1
    MSZ28
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    1999 Z28

    a/c question

    When I use my air conditioning it blows warm air for about 10 minutes and then starts cooling off. I drive 21 miles to work and it seems like it takes 5-10 miles for it to cool of the car. When it gets going it blows cold air. I would like to get this fixed before Texas summer temps get here. Do you think it just needs to be charged or is compressor going?

  2. #2
    Nitrous Tuner LS2Tuner's Avatar
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    Quote Originally Posted by MSz28 View Post
    When I use my air conditioning it blows warm air for about 10 minutes and then starts cooling off. I drive 21 miles to work and it seems like it takes 5-10 miles for it to cool of the car. When it gets going it blows cold air. I would like to get this fixed before Texas summer temps get here. Do you think it just needs to be charged or is compressor going?
    You need to watch the clutch on the front of the compressor to see if it is engaging or not... If not you can jump the pressure switch to see if it then engages. If so YES it needs to be charged.
    Don't be afraid of the bottle!!! Be afraid of your tune!!!

  3. #3
    MSZ28
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    thanks, will give it a look this evening

  4. #4
    Nitrous Tuner LS2Tuner's Avatar
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    No problem glad to help.....

  5. #5
    Single Malt rbob93's Avatar
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    Check your AC belt.....especially if you've never changed it
    I change mine once a year....less than $20 & 20 minutes

  6. #6
    MSZ28
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    compressor clutch is working, will check again today.

    I need to change belt, never has been changed, 70,000 miles

  7. #7
    Nitrous Tuner LS2Tuner's Avatar
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    So it is cycling on and off like it's suposed to?

  8. #8
    Impounded
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    mine was doing that when we 1st bought the car,it was overcharged with freon.

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