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Cat c15 Sdp rebuild help

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by dustinbrock, Jun 8, 2018.

Page 6 of 10
  1. Jun 18, 2018 #51
    Cat sdp

    Cat sdp . .

    20,881
    72,267
    Apr 8, 2012
    Orion's Belt
    0
    Mine engine had no other damage and the cam let go the same way at about 500,000 miles......found it doing a routine overhead.
     
    Cat sdp, Jun 18, 2018
    Cat sdp, Jun 18, 2018
    #51
    dustinbrock and Oxbow Thank this.
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  3. Jun 18, 2018 #52
    dustinbrock

    dustinbrock Road Train Member

    1,308
    901
    Apr 19, 2012
    North Battleford, SK
    0
    No, just water spots
     
    dustinbrock, Jun 18, 2018
    dustinbrock, Jun 18, 2018
    #52
    Oxbow Thanks this.
  4. Jun 20, 2018 #53
    dustinbrock

    dustinbrock Road Train Member

    1,308
    901
    Apr 19, 2012
    North Battleford, SK
    0
    When you guys check liner protrusions, do you just use the bolts/hold rings/nylon washers torqued to 70 or do you also use a tool to torque down pressure on the liner as well?

    I ask because I just use the cat bolt setup but the one engine builder I know is telling me to put pressure on the liner like you do with the isx to get a proper measurement.
     
    dustinbrock, Jun 20, 2018
    dustinbrock, Jun 20, 2018
    #53
    Oxbow and SAR Thank this.
  5. Jun 20, 2018 #54
    Superhauler

    Superhauler TEACHER OF MEN

    12,209
    100,729
    Jan 30, 2010
    keep stroking.
    0
    YES the washers should be holding down the liner flange on 4 points of liners.
     
    Superhauler, Jun 20, 2018
    Superhauler, Jun 20, 2018
    #54
    Oxbow and SAR Thank this.
  7. Jun 20, 2018 #55
    pushbroom

    pushbroom Road Train Member

    1,779
    7,308
    Sep 1, 2012
    0
    Yes torque down the spacer plater and also have the tool on the liners torqued down.
     
    pushbroom, Jun 20, 2018
    pushbroom, Jun 20, 2018
    #55
    Oxbow and SAR Thank this.
  8. Jun 25, 2018 #56
    dustinbrock

    dustinbrock Road Train Member

    1,308
    901
    Apr 19, 2012
    North Battleford, SK
    0
    20180625_152257.jpg

    Top are the connecting rod side
    Bottom is the cap side
    Left to right cyl 1,2,3,4,5,6

    Cyl 3 cap bearing has some bad scoring on the right side..... more like a flaking camshaft, gonna go back and inspect my crank before I go any further here.

    I don't like the way these look for how little use the engine had.... 4 months work and they look beat!
     
    dustinbrock, Jun 25, 2018
    dustinbrock, Jun 25, 2018
    #56
    Oxbow, Tug Toy, SAR and 1 other person Thank this.
  9. Jun 25, 2018 #57
    Cat sdp

    Cat sdp . .

    20,881
    72,267
    Apr 8, 2012
    Orion's Belt
    0
    You just replaced them....?
     
    Cat sdp, Jun 25, 2018
    Cat sdp, Jun 25, 2018
    #57
    Oxbow and dustinbrock Thank this.
  10. Jun 25, 2018 #58
    dustinbrock

    dustinbrock Road Train Member

    1,308
    901
    Apr 19, 2012
    North Battleford, SK
    0
    Yeah, motor was rebuilt Feb 2017 but only worked like 4 months to 6 months max
     
    dustinbrock, Jun 25, 2018
    dustinbrock, Jun 25, 2018
    #58
    Oxbow, Tug Toy, SAR and 1 other person Thank this.
  11. Jun 25, 2018 #59
    spsauerland

    spsauerland Road Train Member

    4,296
    10,886
    May 31, 2010
    West Harrison, In
    0
    Who tuned it? Over aggressive timing and fueling kills rod bearings.
     
    spsauerland, Jun 25, 2018
    spsauerland, Jun 25, 2018
    #59
    Oxbow, Tug Toy, SAR and 2 others Thank this.
  12. Jun 25, 2018 #60
    dustinbrock

    dustinbrock Road Train Member

    1,308
    901
    Apr 19, 2012
    North Battleford, SK
    0
    That is not the case here for sure, the truck is tuned nicely with a modest 625 crank horsepower, not like a crazy 750 or anything.... doesn't roll coal or anything. Tuned by a very reputable tuner and not one of those hack job pdi type tunes.
     
    Last edited: Jun 25, 2018
    dustinbrock, Jun 25, 2018
    dustinbrock, Jun 25, 2018
    #60
    SAR and spsauerland Thank this.
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