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Power Loss in the Top 5 Eaton Fuller

Discussion in 'Freightliner Forum' started by S low Rider, Dec 7, 2014.

  1. Dec 7, 2014 #1
    S low Rider

    S low Rider Bobtail Member

    5
    0
    Dec 7, 2014
    0
    Hello , I was wondering if anyone ever had this issue before.
    I recently had a new turbo put on and all of a sudden my truck runs super strong in the first five and dogs out in the high five. From 6th to 10th dramatic power loss. Like it wont allow me to go above 14 RMPs as if I had been governed.

    I have a Detroit 60 Series Motor, 14 L. Any input would be greatly appreciated.
     
    S low Rider, Dec 7, 2014
    S low Rider, Dec 7, 2014
    #1
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  3. Dec 7, 2014 #2
    chalupa

    chalupa Road Train Member

    3,757
    1,640
    Jul 22, 2010
    Houston,Texas
    0
    Never happened to me but it sounds like wrong turbo. Need more info tho like see any smoke? Hear any strange noises ? If it was fine before it went in ( less turbo problems ) and now this....then I suspect too small or former VGT now fixed geometry. Or if equipped pressure dump / waste gate is open, not functioning. Sounds like you lost all the horsepower aka no air volume to make hp.

    There should be a tag on turbo....get numbers and verify with Detroit or trusted parts guy. Don't ask vendor that sold you turbo.

    My 2 cents.....
     
    chalupa, Dec 7, 2014
    chalupa, Dec 7, 2014
    #2
  4. Dec 8, 2014 #3
    S low Rider

    S low Rider Bobtail Member

    5
    0
    Dec 7, 2014
    0
    Hey Chalupa thank you for your 2 cents. I don't see any smoke or hear any strange noises. Just loss of power on high range 6-10. Mechanics trying to trouble shoot it now.
     
    S low Rider, Dec 8, 2014
    S low Rider, Dec 8, 2014
    #3
  5. Dec 8, 2014 #4
    dannyhqt

    dannyhqt Bobtail Member

    4
    1
    Jun 18, 2013
    0
    Check your alternator overcharging. I had same problem last year that you have but loss of power in 7th gear and up
     
    dannyhqt, Dec 8, 2014
    dannyhqt, Dec 8, 2014
    #4
  7. Dec 8, 2014 #5
    S low Rider

    S low Rider Bobtail Member

    5
    0
    Dec 7, 2014
    0
    I really appreciate all the feedback. Got it all fixed up.
    Turns out the fuel filter they put on during a PM wasn't for my motor. Changed it out as well as my air filter and good to go. Thanks again. Be safe out there.
     
    S low Rider, Dec 8, 2014
    S low Rider, Dec 8, 2014
    #5
  8. Dec 9, 2014 #6
    jbourque

    jbourque Heavy Load Member

    924
    553
    Oct 25, 2012
    south english iowa
    0
    the filter would have been my guess but didnt see the post until this morning. detroit changed the microns down to i think five microns and there were some issues several years back. glad you found the problem and it was a easy fix. b safe out there
     
    jbourque, Dec 9, 2014
    jbourque, Dec 9, 2014
    #6
  9. Dec 11, 2014 #7
    S low Rider

    S low Rider Bobtail Member

    5
    0
    Dec 7, 2014
    0
    Thank you for your input jbourque. We were really stumped for a bit. Just thankful it was an easy fix. Thanks again buddy. Stay safe drivers.
     
    S low Rider, Dec 11, 2014
    S low Rider, Dec 11, 2014
    #7
  10. Dec 14, 2014 #8
    S low Rider

    S low Rider Bobtail Member

    5
    0
    Dec 7, 2014
    0
    I'm looking forward to buying my truck this coming year. I'm looking for an 2000- 03 freightliner any insight on the 12.7 would be greatly appreciated. Thank you.
     
    S low Rider, Dec 14, 2014
    S low Rider, Dec 14, 2014
    #8
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