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  1. M

    LLY limp mode, engine light, complete shutdown

    Also, the primer seems different like not pumping, (short stroke goes halfway) fuel sprays when I loosen bleeder screw, codes coming soon:thumb:
  2. M

    LLY limp mode, engine light, complete shutdown

    OK, thanx much for all replies, you helped a lot and I'll do some suggestions with filter, my first thought was filter cuz I just changed about 50 miles before, gotta buy code reader, any preference there? No use being brain dead bout this, I BE BACK! :thumb:
  3. M

    LLY limp mode, engine light, complete shutdown

    Hey Uguys& Gals, cruising bout 70 , went to limp mode, pushed it up hill and shut down, no overheat, no smoke , changed fuel filter 50 miles before limp, will not reset with key reset and unhooked both batteries, still no reset, tranny fluid good, sooty oil, very black, levels ok, replaced fuel...
    • MikMax
    • Thread
    • Replies: 9
    • Forum: LLY
  4. M

    new guy intro

    I already posted before introducing my self.....I own a 04.5 GMC Sierra 2500HD LLY Duramax/Allison, All Stock w k&n coldair intake, 118,000 miles, gettin ready to install leveler torsion bar keys and shock extenders so we can run 285/75/16. I'm original owner and been wanting to make this...
  5. M

    Allison Tranny Flush

    Thanx guys, that's exactly what I'll do , makes far better sense than takin a chance.
  6. M

    Allison 5sp: To Flush or not?

    Thanks James Wasn't sure if I picked the right topic spot.......I'm new
  7. M

    Allison 5sp: To Flush or not?

    I'll be taken 05 LLY in for Allison tranny flush and shop will use flushing machine, I've heard this is mistake and don't let em use flushing machine on my tranny, shop says that's silly, there machine will not damage.....what to do? Flush or just drain and replace?:woott:
  8. M

    Allison Tranny Flush

    2005 GMC 2500 HD LLY ALLISON, 118,000 . I am doing a tranny service and the shop I've used for advise suggested I flush my tranny to get all tranny fluid out of torque converter. For some reason I thought I'd better double check. Can using flushing machine on Allison transmission harm the...
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