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Series 60 oil consumption

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by trucker21r, Jun 19, 2019.

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  1. Jun 19, 2019 #1
    trucker21r

    trucker21r Bobtail Member

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    Detroit rebuilt a 12.7 series 60 roughly 200k miles ago. Lately it's been using about 3 gallons every 2,000 miles. There is no loss of power, runs great. No smoke from the exhaust. The crankcase breather puts out a heavy, steady stream of air/smoke. All the guages are within normal operating conditions. Any help I appreciate.
     
    trucker21r, Jun 19, 2019
    trucker21r, Jun 19, 2019
    #1
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  3. Jun 19, 2019 #2
    trucker21r

    trucker21r Bobtail Member

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    Sorry, the engine I believe is a 2003
     
    trucker21r, Jun 19, 2019
    trucker21r, Jun 19, 2019
    #2
  4. Jun 19, 2019 #3
    Banker

    Banker Road Train Member

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    Did Fitzgerald build it by chance? Just curious because their engines that go bad, tend to go around 200K and some change according to many Detroit shops.
     
    Banker, Jun 19, 2019
    Banker, Jun 19, 2019
    #3
    Intothesunset Thanks this.
  5. Jun 19, 2019 #4
    trucker21r

    trucker21r Bobtail Member

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    No, it was rebuilt by a local Detroit diesel shop.
     
    trucker21r, Jun 19, 2019
    trucker21r, Jun 19, 2019
    #4
    Intothesunset Thanks this.
  7. Jun 19, 2019 #5
    Banker

    Banker Road Train Member

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    Good luck with it. That’s a lot of oil even for a Detroit. Before my Turbo went out it was using that much, but you could smell it.
     
    Banker, Jun 19, 2019
    Banker, Jun 19, 2019
    #5
    Rideandrepair and Intothesunset Thank this.
  8. Jun 19, 2019 #6
    stayinback

    stayinback Road Train Member

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    Don't get too discouraged- a 12.7 detroit wont break the bank- Thats a good affordable motor.
    Start with obvious things- Crawl Under- Rear of oil Pan- Check for oily mess by pan/bell housing- Could be mechanic got lazy with end cap and destroyed main seal

    Also,When you say crankcasae smoke, Thats sometimes an indication of a failed water pump, I dont know if 12.7's weep internally or not, But coolant comes in pushes oil out blowby
     
    stayinback, Jun 19, 2019
    stayinback, Jun 19, 2019
    #6
    Rideandrepair Thanks this.
  9. Jun 19, 2019 #7
    little cat 500

    little cat 500 Road Train Member

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    my 12.7 was using a lot of oil come to find out it was a bad air compressor blowing oil in the air tanks
     
    little cat 500, Jun 19, 2019
    little cat 500, Jun 19, 2019
    #7
    MartinFromBC, Intothesunset and Rideandrepair Thank this.
  10. Jun 20, 2019 #8
    Rideandrepair

    Rideandrepair Road Train Member

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    Bad compressor or turbo can cause excessive blow by.
     
    Rideandrepair, Jun 20, 2019
    Rideandrepair, Jun 20, 2019
    #8
    Intothesunset Thanks this.
  11. Jun 20, 2019 #9
    Rideandrepair

    Rideandrepair Road Train Member

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    Check coolant for oil yet? Oil cooler?
     
    Rideandrepair, Jun 20, 2019
    Rideandrepair, Jun 20, 2019
    #9
    Intothesunset Thanks this.
  12. Jun 20, 2019 #10
    Intothesunset

    Intothesunset Road Train Member

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    Maybe rings are not seated yet, or bad rings?
     
    Intothesunset, Jun 20, 2019
    Intothesunset, Jun 20, 2019
    #10
    Rideandrepair Thanks this.
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