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a/c prob help!!!!

This is a discussion on a/c prob help!!!! within the General Help forums, part of the LSx Technical Help Section category; stock 02 firebird 25k miles.... when the a/c is on and im idling, it makes a annoying rumbling clicking sound, ...

  1. #1
    Member
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    red
    02 firebird

    a/c prob help!!!!

    stock 02 firebird 25k miles.... when the a/c is on and im idling, it makes a annoying rumbling clicking sound, but when i turn it off sounds fine.. what do i do

  2. #2
    Junior Member
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    Dark blue metallic
    1999 Camaro SS

    This thread and your other thread are for the same issue. In the first one you indicated trouble idling.

    In this one it's a rumbling/vibration?

    Check the A/C clutch. If it's bad it could cause a vibration when engaged.

    Do you think it's caused by an external source like the A/C causing an engine vibration or do you think the idle itself is not working right? How does it react at other engine speeds? What does the tach do when the A/C is engaged?

  3. #3
    Life in the Fast lane sunsetorangess's Avatar
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    Met. Sunset Orange
    01 SS

    Just at idle? I had mine makin some really cool noises that i could only hear at idle and it turned out that i had leaves stuffed in the blower..
    Took 5 mins too clean out and it was good too go..
    Under the pass. dash there are three bots holdin it up in there and then pull it down too make sure its clean.
    J
    2001 SS, Its not the car its the Driver that matters....

  4. #4
    Senior Member 02z28ls1's Avatar
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    navy blue
    2002 Z-28 Camaro M6

    Need to pinpoint the noise better than that.

  5. #5
    Senior Member Redphoenix1998's Avatar
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    RED
    1998 Pontiac Trans AM

    your a/c compressor has gone bad. I've gone through 3 and decided to pull it all out after the third. Kinda regretting it with the 100 degree weather now. But most likely it's the compressor for sure. Take off your serpentine belt and right below the belt tensioner is the a/c compressor. Spin it and see if it clicks or grinds

  6. #6
    Crinkle, Crinkle
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    Red
    2001 Camaro SS

    A bad cooling fan can do that too. Had one on a LT1 car that rumbled to whole front end whenever it came on. Cheap fix.

  7. #7
    maroonZ
    Guest
    I figured the vibration might be normal since my car has been like it from the time I bought it. I did by it second hand though.

  8. #8
    Senior Member SeVeReDiStOrTiOn's Avatar
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    05 Wrangler
    00 Z28 sold :-(

    Quote Originally Posted by Redphoenix1998 View Post
    your a/c compressor has gone bad. I've gone through 3 and decided to pull it all out after the third. Kinda regretting it with the 100 degree weather now.
    I bet.....it was around 110 here today in sac

  9. #9
    Senior Member Redphoenix1998's Avatar
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    RED
    1998 Pontiac Trans AM

    yeah I refuse to drive my car in the daytime because of the heat. screw that. I just use my putter car to commute and take the bird out at night when its cooler

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