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  1. M

    LLY Ficm

    I've got a 04.5 LLY with a bad FICM. A shop replaced the original one in 2018 when it would occasionally die. They kept my old one. It didn't bother me at the time, but I wish I had it now. I hardly drive this truck, so it probably has around 5-10k miles since that repair. In June, the truck...
    • mplecha
    • Thread
    • Replies: 855
    • Forum: LLY
  2. M

    curious about oil feed lines

    Is the LB7 turbo oil feed line the same as the LLY?
  3. M

    what is this connector?

    I'm trying to button up my lly. I pulled the turbo to seal the drain and replaced my fpr. For the life of me I can't remember when I disconnected this or where it goes sucks getting old thanks in advance guys!
  4. M

    heat shields

    Do I really need them? Haha! I'm pulling my turbo to fix an oil leak. After taking those damn things off, I'm curious if I really need to put them back on. I'd rather not...
  5. M

    Recommend a good shop in South Carolina (Columbia Area)

    Hi, folks. My truck is leaking quite a bit of oil. I'm not quite sure where it's coming from, but it's coming down the passenger side of the bell housing. Anyway, I don't think this is something I want to tackle myself, so I'd like some recommendations for a reputable shop/mechanic to do the...
  6. M

    LLY: Oil leak

    I just got this truck about a month ago. It's an 04.5 LLY 4x4. I noticed a bit of oil on the driveway the other day. Looking underneath, I see a good bit of oil collected at the block/bellhousing area. I'm fairly certain it's oil. There's no oil on the pan, and I haven't been able to find any...
    • mplecha
    • Thread
    • Replies: 7
    • Forum: LLY
  7. M

    LLY: How can you tell if there was a tuner on the truck before?

    My LLY was pretty much stock when I got it. It had the LLY mouthpiece and all. The tires are 265s. My speedometer wasnt too far off. I hooked it up to efilive a few days ago and noticed the tire size was still set at 245. I changed it to 265 and didn't think much about it afterwards. On the way...
  8. M

    EFILive Engine longevity with a tune

    I ordered efilive a while back and should be getting it soon. One of the things I have been curious about is whether or not running a non stock tune will affect engine life. I plan on running an economy or towing tune as I'm not into racing or sled pulling, but it makes me wonder. If a tuner can...
  9. M

    2004 Chevrolet 2500hd

    mplecha submitted a new Showcase Item: 2004 Chevrolet 2500hd Read more about this showcase item here...
  10. M

    Nub reporting in

    Thought I should introduce myself. I've been browsing this forum for a while, now. There are some very nice trucks on this forum. I just got a 2004 2500hd 4x4 eclb last week to pull a camper my wife and I will be picking up soon.. I can tell this forum will come in handy. Thanks! Sent from my...
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