Buying a Cheap LMM Duramax! Terrible Idea?!

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  • Опубликовано: 1 окт 2024
  • I take a trip to go check out and possibly buy an 08 GMC Sierra with a 6.6 LMM Duramax. Sat for years, will it run and was it a good buy?
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Комментарии • 48

  • @SMOKNYA6.6
    @SMOKNYA6.6 Год назад +7

    Definitely sounds like a snapped crank. Lmm’s and Lbz’s are notorious for them. Might also explain the crank sensor code.

    • @hollowaysgarage9332
      @hollowaysgarage9332  Год назад +1

      Ya pretty sure it is and maybe a cracked piston. Trying to decide whether to part it or find a motor for it. Not really the project I wanted to get into right now haha

    • @SMOKNYA6.6
      @SMOKNYA6.6 Год назад

      @@hollowaysgarage9332 A cracked piston would cause low compression but not always a knocking. The crank sensor leads me to the crank most likely especially with that knocking when you were cranking it over and when they run with one thats exactly what it sounds like. But yeah I hear ya man diesels are expensive.

    • @chrisao1987
      @chrisao1987 Год назад +2

      The LBZ are not notorious for the crank snapping. That’s only a issue when your pushing high horsepower over 600hp.

  • @maddog3080
    @maddog3080 10 месяцев назад +4

    Always bleed the air out of the filter with the primer pump before trying to start a diesel that hasn't run in a while, and dont use ether with any engine that uses glow plugs.

  • @coltonpeare1917
    @coltonpeare1917 7 месяцев назад +1

    Well I have 2 wrenches friend. 1 in each hand, and they are both 10 mm. Not the best way to get the project done but I feel lucky with them.
    Update: while I was writing this the 10mm disappeared. Now feeling under qualified and prepared.

  • @swolenation8432
    @swolenation8432 6 месяцев назад +1

    Hole right in piston on that old fill side for sure you can here that fucker popping through right below that fill game over ....send it to daves auto in Iowa fresh reman he does the best work clean up the body and interior thing will be a forever mint ride man

    • @hollowaysgarage9332
      @hollowaysgarage9332  6 месяцев назад

      Ended up selling it. Scooped up another one I'll put a video up on it soon hopefully.

  • @avaleemullin23
    @avaleemullin23 Год назад +2

    Sounds like crank snapped

  • @pricepricelandscapemanagem4868
    @pricepricelandscapemanagem4868 Год назад +3

    Swap in a good cam/crank sensor see what ya get out of it.

    • @hollowaysgarage9332
      @hollowaysgarage9332  Год назад

      Idk it sounded like the crank was just banging around in there

    • @maddog3080
      @maddog3080 10 месяцев назад

      Usually when the crank breaks, it breaks the webs in the block that support the main bearings, so it's not even worth trying to source a crank. Just get an engine from a wrecker

  • @DrSidewayZ
    @DrSidewayZ Год назад +1

    Dude I just grabbed one at auction, mine snapped there at the 2nd main, I sourced a lb7 short block and I’m fixen to do some videos on it, I got it for $4400 at auction the description said “running when parked” lol complete bs. What have you ended up doing with this one?

    • @hollowaysgarage9332
      @hollowaysgarage9332  Год назад

      I haven't messed with it yet but I found an lmm for 3500$ . I'll probably throw it in it and send it haha. Mine technically still runs but not good at all lol

    • @billybobs841
      @billybobs841 Год назад

      Valve or broke crank

  • @hunterswiski8398
    @hunterswiski8398 5 месяцев назад

    Sounds like a broken crank the second you started cranking

  • @housemanlawncareandsnowrem6340
    @housemanlawncareandsnowrem6340 Год назад +1

    Tire separation

  • @susredneck2595
    @susredneck2595 15 дней назад

    Crank is toast

  • @bransonred1
    @bransonred1 9 месяцев назад

    Man, that was like watching a really good movie that had a horrible ending. I was glued to this video, really rooting for you! I would love to find out the story on this truck...like why was there no oil in the crankcase? I'm going to loose sleep over this lol
    Thanks
    And if it makes you feel better, every man I know has said those same things about their shops. lol I'll be back to watch how your shop comes along. I'm ashamed to say I built my 30x30 shop in june of '21 and I purposely put a 8x8 door and a 10x10 on one end and one more 10x10 on the opposite end so I had a pull through on one side and my thought was that it would also discourage me from cluttering up my shop. I'm waiting on parts to swap out the alternator in my daughters trailblazer...it is nosed up to one of the 10x10 doors because my shop is a friggin mess! lol

    • @hollowaysgarage9332
      @hollowaysgarage9332  9 месяцев назад +1

      I'll try to add another video of the shop. I haven't been able to work on much because of an injury but I'll start getting more videos up again soon. As for the truck, the owner of the property lost the property and everything on it to forecloser I guess. Sounded like he got hooked on drugs bad and when I went to get the skid steer from there the place looks like a waste land. I'd imagine he ran the crap out of the truck and broke the crank then just parked it and it sat since. I'll do an update video on the truck. There's not much to it but I did use a few things from it. Thanks for checking out the video and subscribing ,I really appreciate it!

  • @billybobs841
    @billybobs841 Год назад

    Man duramaxs cam be a real pain in ass with electrical and injectors I bleave your injector are stuck open on returning alota fuel ..... does your scanner tell you the actual fuel rail pressure? When it cranking it should jump up to Thousand of psi quick but dam it sounds ruff

    • @hollowaysgarage9332
      @hollowaysgarage9332  Год назад

      It doesn't but I'm fairly certain the crank was broken. I could actually feel/hear it banging around underneath. I ended up pulling the parts off of it for my truck and selling the rest to a guy who had a wrecked truck with a good motor.

  • @brentbeardall5301
    @brentbeardall5301 7 месяцев назад

    That's Rust man in the coolant reservoir

  • @t.l.robinson2162
    @t.l.robinson2162 6 месяцев назад

    When you buy your next jump pack, buy an SP Tools unit. They are the very best.

    • @hollowaysgarage9332
      @hollowaysgarage9332  6 месяцев назад +1

      I'll check it out forsure. This noco has been an absolute beast though.

  • @tonybob283
    @tonybob283 Год назад +1

    I would fix it and you can have two trucks

    • @hollowaysgarage9332
      @hollowaysgarage9332  Год назад

      Yup I was thinking along those lines. Looking for a good motor for it. If I find one I'll swap it in and do a video on it.

    • @tonybob283
      @tonybob283 Год назад

      Should make more videos on it

  • @drewmurray2583
    @drewmurray2583 11 месяцев назад

    fix it! I just bought one of these engines out of an ambulance for 4k

    • @hollowaysgarage9332
      @hollowaysgarage9332  10 месяцев назад

      Sadly I stole the exhaust lift pump and intake off and sold it. I just didn't need another headache sitting around and the guy who bought it already had a wrecked van with a good Duramax in it .

  • @t.l.robinson2162
    @t.l.robinson2162 6 месяцев назад

    I would have given that truck an engine and rockers.

    • @hollowaysgarage9332
      @hollowaysgarage9332  6 месяцев назад +1

      I ended up selling it and the next owner was going put an engine in it. I had too much going to to justify it.

  • @rporobotjack3683
    @rporobotjack3683 7 месяцев назад

    You win some and you lose some, one can never tell . If it doesn't run it makes it more risky. Better luck next time bro .

    • @hollowaysgarage9332
      @hollowaysgarage9332  7 месяцев назад

      Ya exactly. That's half the fun to me. I actually lucked out and was able to make my money back and end up with a bunch of good parts for my own truck. Alot of time and effort but worth it in the end I guess.

    • @rporobotjack3683
      @rporobotjack3683 4 месяца назад

      @@hollowaysgarage9332 Spare parts and cash back ,good for you bro !.

  • @chrisao1987
    @chrisao1987 Год назад

    People don’t take care of anything these days.

    • @hollowaysgarage9332
      @hollowaysgarage9332  Год назад

      It is pretty wild to me. I sure know if I had bought a 40-50k truck it would be kept pretty mint it at least I would try lol

  • @tonybob283
    @tonybob283 Год назад

    Fix it

  • @dieseldan9508
    @dieseldan9508 8 месяцев назад

    How much did you pay for it?

  • @marcfinley5487
    @marcfinley5487 Год назад

    How much you need to get out of it?

  • @bigboybuilder
    @bigboybuilder Год назад

    now to spend 20K to build an engine.

    • @hollowaysgarage9332
      @hollowaysgarage9332  Год назад

      Ya you're not kidding lol I ended up pulling the lift pump,exhaust and intake for my truck and sold the rest to a man with a wrecked truck with a good motor.