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opinion on Peterbilt suspension

Discussion in 'Peterbilt Forum' started by riflemen, Mar 17, 2010.

Page 1 of 2
  1. Mar 17, 2010 #1
    riflemen

    riflemen Bobtail Member

    19
    1
    Feb 28, 2010
    Manitoba
    0
    I am currently looking at a 03 Pete with flex air suspension. I'm wondering how does it compare to low leaf? It will be pulling a tank hauling liquid fertilizer. Also what is your opinions on these MBN Cat C-15's?
     
    riflemen, Mar 17, 2010
    riflemen, Mar 17, 2010
    #1
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  3. Mar 17, 2010 #2
    Jfaulk99

    Jfaulk99 Road Train Member

    2,914
    1,652
    May 16, 2009
    Couch
    0
    MBN's are not the best of the C-15's (thanks EPA) BUT THEY CAN BE FIXED. I've got one with ZERO issues but they're not known for fuel mileage in stock form, plenty of threads about that. Can't help you with the suspension though.
     
    Jfaulk99, Mar 17, 2010
    Jfaulk99, Mar 17, 2010
    #2
  4. Mar 18, 2010 #3
    1989 Pete

    1989 Pete "Pine Tree Eater"

    586
    48
    Mar 14, 2008
    Logging Country South Georgia
    0
    Someone told me that the flex system holds up pretty well
     
    1989 Pete, Mar 18, 2010
    1989 Pete, Mar 18, 2010
    #3
  5. Mar 18, 2010 #4
    1989 Pete

    1989 Pete "Pine Tree Eater"

    586
    48
    Mar 14, 2008
    Logging Country South Georgia
    0


    Thihttp://www.peterbilt.com/uploaded/resources/Peterbilt_Essentials-Module5-Axles_Suspensions.pdfs
     
    1989 Pete, Mar 18, 2010
    1989 Pete, Mar 18, 2010
    #4
  7. Mar 19, 2010 #5
    rbht

    rbht Heavy Load Member

    888
    525
    Jan 23, 2010
    CT,NH
    0
    I have an 06 with pete flex air and it rides way better than my air trac or air leaf does i haul 78,000 to 85,000lbs daily with it and have had no issues have heard they don't hold up to the heavy wheight but mine has so far all in all i'am happy with it.
     
    rbht, Mar 19, 2010
    rbht, Mar 19, 2010
    #5
  8. Mar 19, 2010 #6
    Sodapop

    Sodapop Light Load Member

    93
    7
    Mar 19, 2010
    Blytheville,Ar
    0
    Anyone know how to set the ride height on a Flex air..I have a 2002 379.with a 6nz cat
     
    Sodapop, Mar 19, 2010
    Sodapop, Mar 19, 2010
    #6
  9. Mar 19, 2010 #7
    Markvfl

    Markvfl Road Train Member

    1,103
    338
    Nov 29, 2007
    Apopka, FL
    0
    Mine works and rides well and has the adjuster on the rear axle, however I see no way to adjust mine, an 05
     
    Markvfl, Mar 19, 2010
    Markvfl, Mar 19, 2010
    #7
  10. Mar 20, 2010 #8
    riflemen

    riflemen Bobtail Member

    19
    1
    Feb 28, 2010
    Manitoba
    0
    well I bought the truck today and on the test drive was actually impressed with the ride, much better than my air leaf, As for performance I guess time will soon tell, but from what I've read with a little modification should be G2G.
     
    riflemen, Mar 20, 2010
    riflemen, Mar 20, 2010
    #8
  11. Oct 16, 2011 #9
    truckerjc

    truckerjc Bobtail Member

    41
    7
    Oct 13, 2011
    hoxie,kansas
    0
    the flex air is the best petebilt has come out with.
     
    truckerjc, Oct 16, 2011
    truckerjc, Oct 16, 2011
    #9
  12. Oct 16, 2011 #10
    dirthaller

    dirthaller Road Train Member

    1,116
    13,116
    Sep 22, 2011
    Coloratah
    0
    as long as you don't heavy haul or off road they are great. same as KW AG 380
     
    dirthaller, Oct 16, 2011
    dirthaller, Oct 16, 2011
    #10
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