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  1. #1
    Join Date
    Jun 2011
    Location
    sfv california
    Posts
    80

    leaking capacitors

    if a run cap is leaking oil but tests within specs for mfd, do u still change it? want to get everyones opinion

  2. #2
    Join Date
    Jul 2007
    Location
    Virginia
    Posts
    3,609
    Quote Originally Posted by jrpsimivalley View Post
    if a run cap is leaking oil but tests within specs for mfd, do u still change it? want to get everyones opinion
    Leaking capacitors don't stop leaking once they start.

    Manufacturers put a set amount of liquid/Jell inside to help cool the cap.

    Heat is one of the killers of of caps, like excess voltage.

    The caps days are numbered once they start leaking.

    Replace it and save yourself a call back.
    Instead of learning the tricks of the trade, learn the trade.

  3. #3
    Join Date
    Jan 2012
    Location
    Sanata Ana, CA
    Posts
    29
    replace it run capacitor will over heat

  4. #4
    Join Date
    Nov 2006
    Location
    Southeastern Pa
    Posts
    14,486
    Quote Originally Posted by jrpsimivalley View Post
    if a run cap is leaking oil but tests within specs for mfd, do u still change it? want to get everyones opinion
    Yes. Change it immediately.

  5. #5
    Join Date
    Mar 2005
    Location
    burlington county n.j.
    Posts
    9,343
    replace it

  6. #6
    Join Date
    Feb 2004
    Location
    New Mexico
    Posts
    4,684
    If the cap is old it could contain PCB's polychlorobiphenyls. I don't remember exactly when PCB's were phased out but if old don't play with it.
    Tracers work both ways.

  7. #7
    Join Date
    Mar 2007
    Location
    NW AR
    Posts
    2,467
    The ones with PCB pretty much last forever.

    If its leaking, replace it

  8. #8
    Join Date
    Sep 2008
    Location
    North carolina
    Posts
    42
    I saw one today on a carrier that said it was filled with castor oil.

  9. #9
    Join Date
    Dec 2002
    Location
    in a house, Appomattox, Va.
    Posts
    3,009
    Some of the gel is supposed to be biodegradable, so even if it isn't weak, it could be "rotten"?

    I replace then too, since they are "bad" in the sense of leaking and they should not have the insides on the outside.
    Col 3:23


    questions asked, answers received, ignorance abated

  10. #10
    Join Date
    Nov 2000
    Location
    Waco, Texas, USA
    Posts
    6,153
    It depends on the symptoms. If the problem was a bad contactor and the compressor run cap was leaking I would give the customer the option priced in writing. If the symptom was compressor won't always start then yes I would definitely replace the run cap.
    "And remember my sentimental friend......that a heart is not judged by how much you love, but by how much you are loved by others" - Wizard of Oz.

  11. #11
    Join Date
    Sep 2009
    Location
    Stumptown,USA
    Posts
    1,228
    Isn't that what we get paid to do? Replace bad or defective parts? The customer pays us to give our professional (technical) opinion. This is a no brainer, a fluid that needs to be "IN" the capacitor is leaking "OUT". DEFINITELY REPLACE IT!
    Challenge yourself, take the CM test --- Certificate Member since 2004 ---Join RSES ---the HVAC/R training authority ---www.rses.org

  12. #12
    Join Date
    Jan 2009
    Location
    Etters PA.
    Posts
    371
    Quote Originally Posted by Paul Bee View Post
    Isn't that what we get paid to do? Replace bad or defective parts? The customer pays us to give our professional (technical) opinion. This is a no brainer, a fluid that needs to be "IN" the capacitor is leaking "OUT". DEFINITELY REPLACE IT!
    2nd that I mean Realy where is the logic in not replacing.

    Sent from my PC36100 using Tapatalk 2

  13. #13
    Join Date
    Jul 2012
    Location
    ohio
    Posts
    42

    Thumbs up

    YES change it or it will be a callback and no one likes those....also make sure you check all wiring, amp draws, and operation just to be safe..

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