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Mechanical CAT, smoke at idle

Discussion in 'Trucks [ Eighteen Wheelers ]' started by zx150, Nov 17, 2016.

Page 6 of 8
  1. Nov 27, 2016 #51
    Ozdriver

    Ozdriver Heavy Load Member

    767
    1,390
    Oct 16, 2015
    Australia
    0
    I didn't know you could do that. I've always static timed mine, so who knows what the timing is at full advance. I've got the spring loaded weights on my advancer although I did put new springs in it some time ago as recommended.
     
    Ozdriver, Nov 27, 2016
    Ozdriver, Nov 27, 2016
    #51
    Oxbow Thanks this.
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  3. Nov 27, 2016 #52
    pup

    pup Light Load Member

    252
    256
    Dec 3, 2011
    n.h.
    0
    You can use a diesel pulse adapter hooked to a timing light & monitor the advance. Not as nice as the cat tool but it works. Pin the flywheel & set up a pointer on the front for a tdc reference
     
    pup, Nov 27, 2016
    pup, Nov 27, 2016
    #52
    wore out, BoxCarKidd and Oxbow Thank this.
  4. Dec 31, 2016 #53
    zx150

    zx150 Medium Load Member

    343
    45
    Mar 30, 2012
    0
    Update:

    Had the truck checked out by two different shops including a CAT dealer. Timing is supposedly spot on, injectors are good and the fuel pump is healthy.

    The CAT dealer is telling us the fuel pump is mismatched for our engine and there is nothing they can do because the engine has no serial #'s. They also said the increase in smoke is likely due to the cold weather. My opinion is that they can't plug in and have the computer tell them what's wrong.

    I've heard thru the grapevine there is a CAT guru in Penn Yan, NY that is the be all to end all for these old mechanicals. Curious if anybody here has heard of the guy and has his info.
     
    zx150, Dec 31, 2016
    zx150, Dec 31, 2016
    #53
    rank Thanks this.
  5. Dec 31, 2016 #54
    Superhauler

    Superhauler TEACHER OF MEN

    12,209
    100,730
    Jan 30, 2010
    keep stroking.
    0
    The only one I know of is ole Richard at atrim diesel.
     
    Superhauler, Dec 31, 2016
    Superhauler, Dec 31, 2016
    #54
    rank, KB3MMX and zx150 Thank this.
  7. Dec 31, 2016 #55
    KB3MMX

    KB3MMX Road Train Member

    3,075
    2,595
    Dec 29, 2014
    Orrstown, PA
    0
    Call Antrim Diesel , they are capable of getting you fixed up the right way!
     
    KB3MMX, Dec 31, 2016
    KB3MMX, Dec 31, 2016
    #55
    rank and zx150 Thank this.
  8. Dec 31, 2016 #56
    bigguns

    bigguns Road Train Member

    2,846
    6,853
    Jun 13, 2013
    Omega,GA
    0
    If they can't tell you the right pump without the engine serial number, how do they know it is the wrong pump on it now?
     
    bigguns, Dec 31, 2016
    bigguns, Dec 31, 2016
    #56
    cumminskid123, snowman_w900, wore out and 2 others Thank this.
  9. Dec 31, 2016 #57
    zx150

    zx150 Medium Load Member

    343
    45
    Mar 30, 2012
    0
    Exactly!
     
    zx150, Dec 31, 2016
    zx150, Dec 31, 2016
    #57
  10. Dec 31, 2016 #58
    SmokinCAT

    SmokinCAT Road Train Member

    1,773
    1,487
    Oct 20, 2010
    Hillsboro, OH./ Adrian, MI
    0
    Technically there is no wring pump, you could have the wrong nozzles for you pistons, but even a B pump will still operate properly with a C nozzle.
     
    SmokinCAT, Dec 31, 2016
    SmokinCAT, Dec 31, 2016
    #58
    KB3MMX and zx150 Thank this.
  11. Dec 31, 2016 #59
    rank

    rank Road Train Member

    9,918
    113,504
    Feb 11, 2010
    50 miles north of Rochester, NY
    0
    I say run it. Pull some oil samples after a while. Watch the pyro and fuel mileage for anything out of the ordinary.
     
    Last edited: Dec 31, 2016
    rank, Dec 31, 2016
    rank, Dec 31, 2016
    #59
    zx150 and wore out Thank this.
  12. Dec 31, 2016 #60
    zx150

    zx150 Medium Load Member

    343
    45
    Mar 30, 2012
    0
    We've been running it every day. DOT has already warned us on it. We were tying to fix it before they saw it but we just weren't fast enough. It clears up going down the road but it's at idle that it is smoking. Changing the oil this week or next so we will sample out the oil.

    Pyro #'s are all pretty normal and the fuel mileage has been consistent.
     
    zx150, Dec 31, 2016
    zx150, Dec 31, 2016
    #60
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