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  1. JoshH

    PRND321 underline issue

    That was my thought as well.
  2. JoshH

    glow plugs

    I have to disagree with you on that, Brad. These are the glow plugs I purchase from the local O’Reilly, sold as ACDelco, for about $20 a piece. You can see both the GM 12639701 and the 9G part number on the box. I actually looked at RockAuto, and they do not list an ACDelco brand glow plug for...
  3. JoshH

    01-10 steering box redhead ,PSC ,OEM

    I just ordered one of the 6 bolt Cardone boxes for my dad's LMM. Hopefully it doesn't start leaking on him.
  4. JoshH

    glow plugs

    There are a lot of people on eBay selling fake parts. Did it come with that nut? If so, it's not a genuine part. I've never seen a legit GM glow plug come with a nut, and I've purchased a bunch.
  5. JoshH

    Parts advice for new seals

    If you change the rear pinion seal (sounds like you already changed it once if I understand what you wrote in your post), I would suggest changing the sleeve on the yoke also. I've seen them get gunked up and grooved from old pinion seals that leaked and wore into them from all the grime and...
  6. JoshH

    PRND321 underline issue

    Here is a little more info on the operation of the NSBU switch: NSBU Switch Range Chart Range A B C P P OFF ON ON OFF R OFF OFF ON ON N ON OFF ON OFF D ON OFF OFF ON 3 OFF OFF OFF OFF 2 OFF ON OFF ON 1 ON ON OFF OFF
  7. JoshH

    L5P will barely start, then die Please Help

    There are also often multipliers that raise desired rail pressure at low coolant temps.
  8. JoshH

    Lost communication/ no crank

    2011 would be an LML. Is it a 2010 LMM or a 2011 LML?
  9. JoshH

    L5P will barely start, then die Please Help

    I don't think it really matters to the conversation since it doesn't seem to be his problem, but on the L5P, the DOC is bolted directly to the back of the turbo followed by the SCR which is next to the transmission, and last comes the DPF in front of the rear axle. I think the DPF might have a...
  10. JoshH

    In need of some guidance

    The SCR is actually up next to the transmission. I think they have another DOC element in the can with the DPF though.
  11. JoshH

    DHD Brace with leveled truck

    Probably FTS
  12. JoshH

    BBC teardown and diagnosis

    If you have a subscription to Discovery, they have all the Engine Masters shows on there now since they bought the rights to all those Motor Trend shows, and they have several episodes discussing oil control and oil levels along with oil pan design and how it affects oil pressure. Pretty...
  13. JoshH

    Some help for a local

    Milky substance in the valve covers could be something as simple as condensation from not having the engine up to temp to burn out the moisture in the air. It's a big reason why short trips are so hard on an engine.
  14. JoshH

    Engine Oil Cooler Kits

    That's why you gotta learn from this guy Source: https://www.youtube.com/watch?v=aF8_y2Zl9W8
  15. JoshH

    Used truck market at standstill??

    I'm not 100% sure what all has changed, but one thing I read is the LZO has steel pistons instead of the typical cast aluminum that the LM2 has.
  16. JoshH

    Chevy1925 (James) Truck/motor build

    Their website still says Rockwall. James being from a suburb of California may think every city in Texas is a suburb of Houston... I wonder if they can do anything for the steering wheel on my 06. The leather is actually in pretty decent shape, but for some reason the foam on the spokes is...
  17. JoshH

    Used truck market at standstill??

    Those were click-bait articles. The 3.0 diesel isn't discontinued. The LM2 is discontinued. The pickups have been using the LZO since 2023 while the SUVs were stuck with the lower power and less durable LM2. From what I understand, nothing has changed for the pickups, and the SUV will start...
  18. JoshH

    LBZ/LLY Cab swap

    With the exception of the wires for the tap shifter and some CAN bus wires in the OBD port, the dash harness in the LBZ donor should be pretty much identical to an LLY. You shouldn't need to change anything there that I can think of off the top of my head. The chassis harness that runs to the...
    • JoshH
    • Post #10
    • Forum: LLY
  19. JoshH

    06 with 80k on it. Drop in MPG

    Sounds like maybe an injector issue.
  20. JoshH

    Used truck market at standstill??

    All I know is I had a relatively clean, lowish mile (60k) 02 Camaro SS I listed on facebook marketplace a couple of weeks ago, and it sold in 5 hours. Then I listed a set of Weld wheels I took off the car the buyer didn't want (or didn't want to pay for anyway), and they sold almost as fast...
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