Question about Carrier 38CKC036 Air Conditioner

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OUR A/C UNIT IS THE LOUDEST ON THE BLOCK. I CAN HEAR IT ALL THE WAY DOWN THE STREET.(LOUD HUMMMING). IS THERE A WAY TO QUIET IT DOWN BY LUBRICATING IT? WHAT TYPE OF OIL DOES IT TAKE AND WHERE DO YOU INSTALL IT? ANY HELP IS APPRECIATED!

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  • rrmorris5 May 31, 2010

    THANKS FOR YOUR INFORMATION.WILL TRY YOUR SUGGESTIONS

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Is it the compressor or is it the housing? Very likely the housing has vibrated loose and is making the racket. Find this out by pressing several places on the housing cabinet. If this does't change anything ... the motor mounts may have failed and require replacement. It may be a combo of the problems.

If it is the housing, you will have to tighten it up any way you can from tightening the screws nuts and bolts to wedging something between the offending parts. I suspect you will find the fan grill is the major cause of the sound you are hearing.

If it is the compressor ... you should get a AC professional to look at your compressor as soon as you can. Post your question in the "Local Repair" section of FixYa.com for fast results.

Thank you for your interest in FixYa.com

Posted on May 31, 2010

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  • rrmorris5 May 31, 2010

    IS THERE A PLACE TO OIL THE FAN OR MOTOR. THANKS FOR YOUR FIRST SUGGESTION

  • A Miller May 31, 2010

    I wouldn't think the motor is making that much noise that it could be quieted down with 3 or 4 drops of oil ... I believe your fan motor is equipped with sealed bearings. The compressor is in a sealed package and is lubricated by the oil that is in with the coolant product.



    If it is naking that much noise from the compressor or the fan and cannot be quited down by the method I suggested ... you need to have your AC service take a look at it before more, serious damage occurs.



    Thank you for the feedback and additional question.

  • A Miller May 31, 2010

    Good luck with your project ... thanks for the 4 thumbs up ...

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