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Can Anyone help?????

Discussion in 'Peterbilt Forum' started by noodler, Jun 26, 2012.

  1. Jun 26, 2012 #1
    noodler

    noodler Bobtail Member

    43
    13
    Jan 13, 2010
    Raleigh,NC
    0
    I have a 06, 387 pete, C-15 CAT, after every pm I have to bleed the fuel lines as it seems to somehow gets air in the lines. Once i have done that, get down the road and start to pull on inclines my truck run very ruff and it does this for about 2 weeks...Its driving me nutts, not only do i hate getting pm's(cause their over priced) but i really hate them because my truck runs like crap afterwards......please help!!!...p.s I use all CAT filters...
     
    noodler, Jun 26, 2012
    noodler, Jun 26, 2012
    #1
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  3. Jun 28, 2012 #2
    LBZ

    LBZ Road Train Member

    1,770
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    Oct 22, 2008
    Road to Nowhere
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    Do you pre fill the filters before installing them? I do on mine & never had a issue, but have a older C12.
     
    LBZ, Jun 28, 2012
    LBZ, Jun 28, 2012
    #2
  4. Jul 6, 2012 #3
    noodler

    noodler Bobtail Member

    43
    13
    Jan 13, 2010
    Raleigh,NC
    0
    yep , filled and all!!!!.....this is killing me....
     
    noodler, Jul 6, 2012
    noodler, Jul 6, 2012
    #3
  5. Aug 18, 2012 #4
    Turbo55

    Turbo55 Bobtail Member

    9
    0
    Mar 13, 2012
    0
    I had this problem once, check all your connections and fuel lines. I saw peterbilt mechanic put a clear nipple in line to detect air bubbles. this was after several times in the shop. Replaced fuel lines, problem solved.
     
    Turbo55, Aug 18, 2012
    Turbo55, Aug 18, 2012
    #4
  7. Aug 19, 2012 #5
    QUALITYTRUCK

    QUALITYTRUCK Road Train Member

    1,780
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    Jun 14, 2009
    romulus,mi
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    change pressure relief valve.screws into primary filter housing (1 inch fitting)about $40 CAT part.
     
    QUALITYTRUCK, Aug 19, 2012
    QUALITYTRUCK, Aug 19, 2012
    #5
  8. Aug 20, 2012 #6
    rockhead

    rockhead Bobtail Member

    8
    1
    Aug 16, 2012
    0
    Also check draw lines at tank, have known these fittings to lossen up and cause problems.
     
    rockhead, Aug 20, 2012
    rockhead, Aug 20, 2012
    #6
  9. Aug 20, 2012 #7
    rockhead

    rockhead Bobtail Member

    8
    1
    Aug 16, 2012
    0
    Another problem that i've had. also, not sure which primary filter housing/filter you are using, but double check that if it uses an oring in the threaded housing, it is there, and vica versa, if it isn't supposed to use one, there isn't one there.
     
    rockhead, Aug 20, 2012
    rockhead, Aug 20, 2012
    #7
  10. Aug 22, 2012 #8
    noodler

    noodler Bobtail Member

    43
    13
    Jan 13, 2010
    Raleigh,NC
    0
    thanks guys i'll check these out and give u guys an update
     
    noodler, Aug 22, 2012
    noodler, Aug 22, 2012
    #8
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