Duramax Diesels Forum Truck of the Week
  #1  
Old 02-28-2018, 05:17 PM
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Default 2005 2500 puzzle

Posted a little info on this in my introduction post, but if ya missed it here it is. Iím putting together a 2005 gmc 2500 dmax. Got two of these trucks that were already taken apart when I picked them up so Iíve got no clue how they go back together. Just gonna try and figure it out, how hard could it be? Hahah

Luckily the service truck I get to drive home everyday is a 2005 Chevy 3500 dmax. Hopefully I can reference this some putting the gmc back together?

Donít know anything about these trucks really so bare with me, Iíll try and search the little things I run into.

Hereís where Iím at now after a week...
so the mechanic that was swapping the lly for an lbz got locked up in the process. So far Iíve pulled the lbz, trans, and transfer case all at once (pretty nerve racking without an extra hand).

So I guess the next step is putting the original lly back into the truck? Is there anything Iíll want to do/replace before I stick it back in?

Any general words of advice are appreciated as well!

Hereís pics of what Iíve got going on


Truck when I first pushed it in the shop



Pulling out


Pretty sketchy, but it all went smooth







Taking up too much room in the shop....



Iíve got more pics of the engine/trans. Not sure if anyone wants to look at all this stuff though 🤷🏻*♂️

Thanks guys!


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Old 03-05-2018, 04:42 PM
Kriesel Kriesel is offline
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I pulled my LBZ drivetrain in once piece as well. The cherry picker is capable of the weight. But it sure is scary! I bought new chains and everything just to make sure.

Why are you putting the lly back in? why not figure out the lbz?

With them out, in my case, I had to replace the oil pan gaskets. So, I would look for leaks, and do things like that with the engine out...
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Old 03-05-2018, 06:11 PM
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The lbz is actually going in a 89 v3500! Gotta get this truck put back together so I can have something to drive once that project gets rolling!

Definitely gonna have to replace those along with the pan, got a little dented up during the whole shipping procedure. Gonna go ahead and replace the fuel filter, the seal at the end of the transfer case, gotta replace the transmission fluid dipstick tube too. It looks like a press in fit?

Any recommendations on a good quality fuel filter?


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Old 03-05-2018, 06:25 PM
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Get a lift pump and do your filters in the frame and delete the factory housing.
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Old 03-05-2018, 06:36 PM
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Iíll have to look into that, changing the filter while itís jammed in there looks like a pain.


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Old 03-05-2018, 07:05 PM
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Factory heads are known to leak and cause issues. Bypass the FICM and delete the factory filter head. Lift pump like an air dog or fass will give you your priming and filtering.
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2006 LLY CC/SB LT3 mostly stock

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2011 Yamaha YFZ450X
2003 Yamaha YZ250
2003 Kawasaki Z1000
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Old 03-06-2018, 07:14 AM
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Did some searching around, is it okay to bypass the FICM on an lly?




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Old 03-06-2018, 07:23 AM
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I think what he means is to not run the fuel thru the FICM. I personally would not do that on a DD truck.

I would use another style filter setup on the swap truck, but not on your DD.
I would use the factory filter head along with a Kennedy lift pump on the DD.
If your filter head is leaking, you can buy a new one for a decent price. That would be the easiest way to go about it.
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Old 03-06-2018, 01:12 PM
Kriesel Kriesel is offline
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Quote:
Originally Posted by t.watts1340 View Post
The lbz is actually going in a 89 v3500! Gotta get this truck put back together so I can have something to drive once that project gets rolling!
Well that's a good reason... haha
Quote:
Originally Posted by t.watts1340 View Post
Definitely gonna have to replace those along with the pan, got a little dented up during the whole shipping procedure. Gonna go ahead and replace the fuel filter, the seal at the end of the transfer case, gotta replace the transmission fluid dipstick tube too. It looks like a press in fit?
I had to replace my dipstick also, bought it from the dealer... It is just pushed in there. I broke the original one when trying to remove it, and so had to get a new one. My oil pans were leaking so I re-did the gaskets with rtv. With my engine out, I also tapped the exhaust temp sensor, removed my egr, and changed the downpipe to a better model.
Quote:
Originally Posted by t.watts1340 View Post
Any recommendations on a good quality fuel filter?
I just use the stock filter head on my LBZ, and bout a Wix filter for it.
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Old 04-06-2018, 12:41 PM
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Made a little bit of progress on the truck so far, not much but enough to keep me motivated haha.

Should of took more before pics, but Iíve got the interior of the truck put back together. Luckily he hadnít started tearing into the wiring too much from the swap he was trying.




Put on some new motor mounts and found some frame brackets for the mounts from a local pull apart. Going off of this website for torque specs, hopefully theyíre credible

http://longhornfabshop.com/templates...ue%20Specs.pdf





Got a transmission mount on the way. Trying to get this thing ready to put back into the frame.

Iím going to replace the output shaft seal before I put it back in.

My biggest question to any of you guys out there, is there anything I want to make sure I do before I put it in? Wiring, brackets, etc? Iím new at this so anything helps haha

Thanks




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Old 04-06-2018, 08:51 PM
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Jumped the gun, put in the new seal.




Couple beers with the boys and it went in smooth, motor trans and transfer case





I guess bolt up all the brackets next? Then maybe figure out all the plumbing shit in


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  #12  
Old 04-06-2018, 10:40 PM
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Looks like its coming along, any progress is better than no progress.

Merchant auto has an app that has a bunch of torque specs, not sure that it has all of them, but it can be handy, has a ton of other info as well
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Old 04-07-2018, 12:05 PM
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Quote:
Originally Posted by frankenstien View Post
Looks like its coming along, any progress is better than no progress.

Merchant auto has an app that has a bunch of torque specs, not sure that it has all of them, but it can be handy, has a ton of other info as well


Awesome, thanks for the info. Iíll check that out!


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Old 04-08-2018, 11:35 AM
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Mounted the cross member and transmission mount. Bolted in the motor mounts and torqued to specs. Gonna have to find some hardware to mount up the front diff.

Put on the drivers side front clip, to start messing with the electrical. This isnít gonna screw me down the road is it?










This tube broke off, I think itís part of the egr? The treads that a stud went into are toast to I guess Iíll either drill and tap it a size up or helicoil it.






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Old 04-08-2018, 08:57 PM
Kriesel Kriesel is offline
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Quote:
Originally Posted by t.watts1340 View Post
My biggest question to any of you guys out there, is there anything I want to make sure I do before I put it in? Wiring, brackets, etc? Iím new at this so anything helps haha
My big thing was oil leaks. I re-did the gasket on the oil pans while the engine was out, as they were leaking quite a bit.

Cover the leaks while the engine is out would my my suggestion.
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