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Oil leak Cummins isx KW T660

Discussion in 'Kenworth Forum' started by jbtdriver, Feb 26, 2018.

Page 1 of 2
  1. Feb 26, 2018 #1
    jbtdriver

    jbtdriver Bobtail Member

    13
    17
    Mar 15, 2015
    Missoula MT
    0
    Hello, I've got a minor oil leak in the back of the engine on passenger side, but not sure where is it coming from. Went to the shop, they replaced egr heater and told me that that it was it. 700 miles later fresh oil stain reappeared at the same spot. Maybe any of you ran into the same issue or might have an idea what may be the cause?
    Thank you
     

    Attached Files:

    jbtdriver, Feb 26, 2018
    jbtdriver, Feb 26, 2018
    #1
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  3. Feb 26, 2018 #2
    jbtdriver

    jbtdriver Bobtail Member

    13
    17
    Mar 15, 2015
    Missoula MT
    0
    Another pic
     

    Attached Files:

    jbtdriver, Feb 26, 2018
    jbtdriver, Feb 26, 2018
    #2
  4. Feb 28, 2018 #3
    spsauerland

    spsauerland Road Train Member

    4,296
    10,879
    May 31, 2010
    West Harrison, In
    0
    Flywheel housing gasket. Need to pull transmission, clutch, etc to get to it. Let it seep til clutch time!
     
    spsauerland, Feb 28, 2018
    spsauerland, Feb 28, 2018
    #3
    jbtdriver and pushbroom Thank this.
  5. Mar 1, 2018 #4
    Slow302

    Slow302 Medium Load Member

    347
    117
    Jul 12, 2013
    MO
    0
    Valve cover gasket on the back
    2 cam covers on the back
    Flywheel cover gasket
     
    Slow302, Mar 1, 2018
    Slow302, Mar 1, 2018
    #4
    jbtdriver Thanks this.
  7. Mar 2, 2018 #5
    jbtdriver

    jbtdriver Bobtail Member

    13
    17
    Mar 15, 2015
    Missoula MT
    0
    Thank you
    got the same answer from the shop
     
    jbtdriver, Mar 2, 2018
    jbtdriver, Mar 2, 2018
    #5
  8. Dec 12, 2018 #6
    earnies2

    earnies2 Medium Load Member

    690
    281
    May 17, 2012
    Dedham, MA.
    0
    How bad can a flywheel housing gasket leak?
     
    earnies2, Dec 12, 2018
    earnies2, Dec 12, 2018
    #6
  9. Dec 12, 2018 #7
    QUALITYTRUCK

    QUALITYTRUCK Road Train Member

    1,780
    1,726
    Jun 14, 2009
    romulus,mi
    0
    Bad. Most people think it is the rear main crank seal. It is going to be flywheel housing gasket. Worst job in shop to do!! It is how I punish my guys that are getting on my nerves. I do bonus them for this job. It sucks.
     
    QUALITYTRUCK, Dec 12, 2018
    QUALITYTRUCK, Dec 12, 2018
    #7
  10. Dec 12, 2018 #8
    pushbroom

    pushbroom Road Train Member

    1,769
    7,205
    Sep 1, 2012
    0
    I had one in today that would drip when idling. By the looks of the underside, its been happening for a long time
     
    pushbroom, Dec 12, 2018
    pushbroom, Dec 12, 2018
    #8
  11. Dec 12, 2018 #9
    18 wheels of fury

    18 wheels of fury Light Load Member

    167
    87
    Oct 31, 2015
    Houston
    0
    bell housing
     
    18 wheels of fury, Dec 12, 2018
    18 wheels of fury, Dec 12, 2018
    #9
  12. Dec 12, 2018 #10
    Goodysnap

    Goodysnap Road Train Member

    3,502
    8,384
    Jul 12, 2017
    0
    Those metal gaskets with the thin rubber inlay are absolute garbage. Way too much vibration for that type of gasket to not leak over time. They would have been better off to do a cutout groove and a rope style seal. But hey, its job security and yes they do suck.
     
    Goodysnap, Dec 12, 2018
    Goodysnap, Dec 12, 2018
    #10
    QUALITYTRUCK, spsauerland and pushbroom Thank this.
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