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  1. Duramax lower radiator hose o-ring - DuramaxDiesels.com

    Sep 10, 2013 · Hey guys I recently had my lower radiator hose o-ring start leaking on my lmm duramax. Every where I've read nobody knew where to get just the o-ring...

  2. Above 2,000 rpm and unable to drive - DuramaxDiesels.com

    Aug 13, 2013 · Only use the approved Midtronics® PSC 550 Battery Maintainer (SPS Programming Support Tool EL-49642) or equivalent during programming. For 2006-2009 Vehicles – Use The …

  3. Overdrive gone - duramaxdiesels.com

    Sep 4, 2014 · So problem number 1 I rolled into the throttle on level 5 in 5th gear at about 60mph knowing it may cause problems and it did. Put the truck in limp mode and wouldn't shift into overdrive …

  4. Best replacement wheel bearing/hub - DuramaxDiesels.com

    Aug 3, 2019 · I have a drivers side wheel bearing needing replacement ( 14' 3500 SRW )....Always had good luck with Timkens in the past. Which ones seem to hold up best...

  5. Injector line leaking? - DuramaxDiesels.com

    Nov 10, 2016 · I just put new injectors in the truck last weekend from Lincoln. I also got new fuel lines from thoroughbred diesel. One of them keeps leaking and I'm afraid at this point of tightening even …

  6. LML - "Service Exhaust Fluid System" No DTC's after DPF Re-Install

    Jan 14, 2020 · I couldn't find any useful info on what would cause this so I figured I would put it out there after fixing it. I had to re-install my factory exhaust and after doing so the system started a countdown …

  7. P0406 wont go away - DuramaxDiesels.com

    Sep 4, 2022 · My 2003 California egr :( LB7 recently threw this P0406 code. "EGR sensor A high". My vacuum pump is operating fine. I replaced the EGR valve and cleaned the cooler. It wasnt that dirty, …

  8. Losing Prime - DuramaxDiesels.com

    Dec 6, 2017 · Ok friends, have a good one on my hands. A few months ago I noticed my factory header was starting to wick and get dust collecting on it (have a cat adapter...

  9. Diagnostic reader - duramaxdiesels.com

    Mar 31, 2022 · Everyone, I was looking to upgrade my diagnotic reader. Purchased a Autel MK808 and learning to use it but thinking that I might want something that can read injector rates and rail …

  10. Lb7 anyway to reset ECM? - DuramaxDiesels.com

    May 21, 2017 · My truck started idling around 800rpm, tons of engine noise and the transmission started acting really weird and aggressive. After some research I found that bad thermostats would cause …