Duramax Diesels Forum Truck of the Week
  #1  
Old 10-29-2018, 10:47 AM
raceghost's Avatar
raceghost raceghost is offline
Animal
 
Join Date: Sep 2018
Location: Out West
Posts: 69
Default Newb Transmission questions & issues

Hi guys,

So I have had my 05 LLY for about 5 years now. Transmission has never really had issues. I have been running the Bully Dog GT with Crazy Larry tunes for that period. Recently trying to switch over to EFI Live and make some power. Most of the time for the last 5 years I have only used the Performance setting in my Bully Dog, and never had any issues. I have run Extreme settings too, but rarely. Either way I digress. I use my truck for work in the Hotshot business, so that is why I am asking for help since time is key...

I am about to rebuild my transfer case, for something internal keeps shredding my output shaft seal or driveshaft yoke seal. While its out, I am thinking that I am going to rebuild my Allison. My transmission temps have been on the rise for the last year on average, and leading me to believe the transmission is slipping. I have routinely serviced it with fluid and filters. Also, as of the last month, it is not wanting to shift out of 4th on the freeway into 5th under light throttle cold, and mildly warm, it has to be above 180F then it starts acting right... It has never done this before. I don't get a DTC or check engine light, so I am not sure what it is I am dealing with. SO this brings me to some questions:

1) Could my transfer case be causing these issues?

2) Any special suggestions when rebuilding the transfer case? I tend to like to overbuild then underbuild for the future.

3) Is there any way to tell if I possibly have a built transmission? Truck was previously owned by Edge products. I pulled the torque converter inspection cover and will post a pic of the torque converter, though this may not be helpful... they are attached below.

4)Pertaining to question 3, if the torque converter is stock, would someone build the trans and use a stock converter? Logic says no, but we have all seen some things that don't make sense...

5)In respects to the transmission, leaning towards stock and just needing rebuilt, I am thinking of a stage 4 kit. I have read up on several kits, and also tried to read on here what people are running. Is the PPE stage 4 kit a good kit with there suggested Torque Converter? My goals are a weekend warrior setup with Daily Driving/Towing setup. I run a HotShot freight business and tow upwards of 16K 50% of the time. Again, would like to overbuild for future rather than underbuild. Looking for any info that can help. I also read about some Georend kits in one of the threads, but haven't really ever heard of them. Guy sounds like a great guy.

I'm sure I will have more questions, just really needing some help here. Trying to schedule some time for the truck to be down, but don't want to lose a bunch of money being I use it for business, so any and all help would be greatly appreciated.

Thanks in advance,
Attached Images
File Type: jpg 20181007_141846[1].jpg (199.4 KB, 68 views)
File Type: jpg 20181007_141852[1].jpg (189.3 KB, 65 views)
__________________
-Raceghost-
2005 GMC Sierra 2500HD LLY SLT CCSB EFI Live/BDGTCLT w/Sensor Dock
Stock Garrett Turbo/2007 Intercooler
AFE Intake/S&B Turbo Inlet Elbow
MBRP 3" Downpipe/4" Straight Exhaust w/Aero Muffler
CP3 Industrial Injection BagoParts/FASS 150 LP w/Sump
SuperTank 52G Tank w/04 Top Half/05 Bottom half Sending unit
RedHead SGB/Cognito A-Arms/Idler & Pitman Braces/FabTech Tie Rods
ProComp Level Keys/Tuff Country Add-A-Leaf
Hellwig HD Front/Rear Sway Bars/SSM 1" Endlinks
FOX 2.0 Shocks/Firestone Ride Rite Air Bags
285/75/16 Nitto Trail Grapplers

Last edited by raceghost; 10-29-2018 at 10:56 AM.
Reply With Quote
  #2  
Old 10-29-2018, 12:41 PM
2004LB7's Avatar
2004LB7 2004LB7 is offline
Hotrodder
 
Join Date: Dec 2010
Location: Norcal
Posts: 1,348

Default

If you are close enough to Inglewood Transmission Services then you need to see the legend himself. He will get that transmission taken care of.

Yes, that converter looks stock but that doesn't really mean anything other than it looks stock
__________________
2008 Chevrolet 3500HD DRW LTZ
285/75/17 Nitto Dura Grapplers, 4.56 gears, Front and rear ARB lockers, Efi Live tuning by me, Raptor 160 LP, Cognito 4-6 NTB Lift, 4" Exhaust, Built Trans by Mike L.

2006 BRM Jetta TDI. Injectors, turbo, Malone custom tuning on ecm and tcm
Reply With Quote
  #3  
Old 10-29-2018, 12:44 PM
frankenstien's Avatar
frankenstien frankenstien is offline
Hotrodder

 
Join Date: May 2015
Location: Fairbanks,Alaska
Posts: 430

Default

What seal in the transfer case keeps giving you trouble?
__________________
2005 ECSB LLY
Danville Tuned
S&S LBZ SS Cp3
5'' exhuast
Fass 150
Built Trans w/SC1058
Bumpers built by me
Reply With Quote
  #4  
Old 10-29-2018, 01:19 PM
Mike L.'s Avatar
Mike L. Mike L. is offline
Got Sheep?
 
Join Date: Aug 2006
Location: Disneyland, CA
Posts: 14,725
Default

Call me if you need help.
__________________
Shop 714 870 7300
Cell 310 918 9678

Tuned by Idaho Rob.
Reply With Quote
  #5  
Old 10-29-2018, 04:51 PM
raceghost's Avatar
raceghost raceghost is offline
Animal
 
Join Date: Sep 2018
Location: Out West
Posts: 69
Default

Quote:
What seal in the transfer case keeps giving you trouble?
I'm a little technically uneducated about proper language, but in layman's terms, the driveshaft yoke slips into the transfer case housing. I keep dumping transfer case fluid out of this slip yoke. What ever seal you replace in this area...

Quote:
Call me if you need help.
Mike, will do.
__________________
-Raceghost-
2005 GMC Sierra 2500HD LLY SLT CCSB EFI Live/BDGTCLT w/Sensor Dock
Stock Garrett Turbo/2007 Intercooler
AFE Intake/S&B Turbo Inlet Elbow
MBRP 3" Downpipe/4" Straight Exhaust w/Aero Muffler
CP3 Industrial Injection BagoParts/FASS 150 LP w/Sump
SuperTank 52G Tank w/04 Top Half/05 Bottom half Sending unit
RedHead SGB/Cognito A-Arms/Idler & Pitman Braces/FabTech Tie Rods
ProComp Level Keys/Tuff Country Add-A-Leaf
Hellwig HD Front/Rear Sway Bars/SSM 1" Endlinks
FOX 2.0 Shocks/Firestone Ride Rite Air Bags
285/75/16 Nitto Trail Grapplers
Reply With Quote
  #6  
Old 10-29-2018, 05:29 PM
frankenstien's Avatar
frankenstien frankenstien is offline
Hotrodder

 
Join Date: May 2015
Location: Fairbanks,Alaska
Posts: 430

Default

Quote:
Originally Posted by raceghost View Post
I'm a little technically uneducated about proper language, but in layman's terms, the driveshaft yoke slips into the transfer case housing. I keep dumping transfer case fluid out of this slip yoke. What ever seal you replace in this area...
I was asking front or rear, I also wasnt very clear, sounds like rear? IIRC if the bushing int he back of the transfer case is wore out it will also cause it to leak, if you're talking about the front its a different story.

also for the rear, make sure that's what it is, I was having the little plug on top of the t case that you remove to access the snap ring, it would leak all over the rear seal and make it look like it was the seal
__________________
2005 ECSB LLY
Danville Tuned
S&S LBZ SS Cp3
5'' exhuast
Fass 150
Built Trans w/SC1058
Bumpers built by me
Reply With Quote
  #7  
Old 11-03-2018, 07:37 PM
raceghost's Avatar
raceghost raceghost is offline
Animal
 
Join Date: Sep 2018
Location: Out West
Posts: 69
Default

Ran by the local transmission shop, and they tested it, its the bushing on the rear they say. ALso my 4 lo planetary gears are shot.
__________________
-Raceghost-
2005 GMC Sierra 2500HD LLY SLT CCSB EFI Live/BDGTCLT w/Sensor Dock
Stock Garrett Turbo/2007 Intercooler
AFE Intake/S&B Turbo Inlet Elbow
MBRP 3" Downpipe/4" Straight Exhaust w/Aero Muffler
CP3 Industrial Injection BagoParts/FASS 150 LP w/Sump
SuperTank 52G Tank w/04 Top Half/05 Bottom half Sending unit
RedHead SGB/Cognito A-Arms/Idler & Pitman Braces/FabTech Tie Rods
ProComp Level Keys/Tuff Country Add-A-Leaf
Hellwig HD Front/Rear Sway Bars/SSM 1" Endlinks
FOX 2.0 Shocks/Firestone Ride Rite Air Bags
285/75/16 Nitto Trail Grapplers
Reply With Quote
  #8  
Old 11-04-2018, 12:35 AM
JoshH's Avatar
JoshH JoshH is offline
Daggum farm truck
 
Join Date: Feb 2007
Location: Texas!!!
Posts: 12,806

Default

More likely a worn shift fork.
__________________
06 Silverado 4x4 CC/SB

06 Express 2500 Duramax Van "The Dumpster"


Reply With Quote
  #9  
Old 11-07-2018, 01:15 AM
raceghost's Avatar
raceghost raceghost is offline
Animal
 
Join Date: Sep 2018
Location: Out West
Posts: 69
Default

Anyone heard of an updated transfer case that uses a bearing rather than a bushing?

Quote:
More likely a worn shift fork.
It makes gnarly noises in 4 lo. 4 hi doesn't sound so great either...

Torque converter on the tranny is slipping and not locking...

Get a really bad chunk or clink sound when shifting into reverse out of park...

If I pull anything, even a 1000 LB trailer empty, tranny heats up to around 200!210...

Either way, going to do some work on it hear in the next few weeks.
__________________
-Raceghost-
2005 GMC Sierra 2500HD LLY SLT CCSB EFI Live/BDGTCLT w/Sensor Dock
Stock Garrett Turbo/2007 Intercooler
AFE Intake/S&B Turbo Inlet Elbow
MBRP 3" Downpipe/4" Straight Exhaust w/Aero Muffler
CP3 Industrial Injection BagoParts/FASS 150 LP w/Sump
SuperTank 52G Tank w/04 Top Half/05 Bottom half Sending unit
RedHead SGB/Cognito A-Arms/Idler & Pitman Braces/FabTech Tie Rods
ProComp Level Keys/Tuff Country Add-A-Leaf
Hellwig HD Front/Rear Sway Bars/SSM 1" Endlinks
FOX 2.0 Shocks/Firestone Ride Rite Air Bags
285/75/16 Nitto Trail Grapplers
Reply With Quote
  #10  
Old 11-07-2018, 09:30 PM
raceghost's Avatar
raceghost raceghost is offline
Animal
 
Join Date: Sep 2018
Location: Out West
Posts: 69
Default

Anyone heard of an updated transfer case that uses a bearing rather than a bushing?

Bump for answer please?
__________________
-Raceghost-
2005 GMC Sierra 2500HD LLY SLT CCSB EFI Live/BDGTCLT w/Sensor Dock
Stock Garrett Turbo/2007 Intercooler
AFE Intake/S&B Turbo Inlet Elbow
MBRP 3" Downpipe/4" Straight Exhaust w/Aero Muffler
CP3 Industrial Injection BagoParts/FASS 150 LP w/Sump
SuperTank 52G Tank w/04 Top Half/05 Bottom half Sending unit
RedHead SGB/Cognito A-Arms/Idler & Pitman Braces/FabTech Tie Rods
ProComp Level Keys/Tuff Country Add-A-Leaf
Hellwig HD Front/Rear Sway Bars/SSM 1" Endlinks
FOX 2.0 Shocks/Firestone Ride Rite Air Bags
285/75/16 Nitto Trail Grapplers
Reply With Quote
  #11  
Old 11-07-2018, 09:43 PM
Chevy1925's Avatar
Chevy1925 Chevy1925 is offline
don't know sh!t about IFS

 
Join Date: Oct 2009
Location: Phoenix Az
Posts: 14,754

Default

You wouldn’t want a bearing. They chatter the moment they wear some. Suzuki tried that....
__________________
Quote:
Originally Posted by JoshH View Post
Mike L is my role model. I want to be like him when I grow up.
James

02 LL7 2500HD CC/LB dmax/alli "The Limo"

BIG THANKS TO: Mike L, Steve, Trent, Guy, Dan, Ruben, Josh H, Scott, Brian and everyone else who has put a hand in to help me.

best time to date: 12.39

motor died/bent rods = 3/11/11
back from the dead 7:04pm 4/9/2012

Limo is back in the garage, now driving a built chevy tracker
Tailgate Crew Member #4
Reply With Quote
  #12  
Old 11-08-2018, 07:22 AM
onebaddmaxxx onebaddmaxxx is offline
Hotrodder
 
Join Date: Feb 2009
Location: Harco, Md
Posts: 1,174
Default

The only updated covers i know of anyways are the alum versions you can scoop online instead of the factory magnesium. There is an updated bushing in them as well.

If you keep losing fluid at the back of the tcase yoke, you need to inspect the driveshaft yoke. Its a common problem to get grooved from the seal and leak no matter what seal you put in the t case.
__________________
2005 lly

Lots of thanks to Diesels Unlimited, Evan@limitless, Mark@danville
Reply With Quote
  #13  
Old 11-08-2018, 08:01 AM
DAVe3283's Avatar
DAVe3283 DAVe3283 is offline
Heavy & Slow



 
Join Date: Sep 2009
Location: Boise, ID, USA
Posts: 2,889

Default

If the transfer case is in bad enough shape, it can cause the output speed sensor to read incorrectly. That can cause the transmission to shift strangely, but shouldn't cause higher temps.

With how heavy you use the truck, I would look into at least a mild build on the transmission. Get a good converter (MikeL can recommend one for your turbo & use case), updated clutches, and the valve body mods to remove the pressure knockdown in lockup. I would also consider a bigger transmission cooler while it is down. MikeL used to sell a kit that is very well regarded, not sure if he still does. I pieced one together with an aftermarket oil cooler from Jegs, and it has served me well.

Just make sure you use large enough lines or you will actually make temps worse, as the transmission will bypass the cooler if it has too much restriction, resulting in NO cooling. And don't bypass the cooler in the radiator, you just replace the stock aux cooler with a larger one. You absolutely need the cooler in the radiator, as it sucks down a massive amount of heat.

Depending on where you are in the US, there are a handful of good transmission shops that will put together a solid Allison build. MikeL is the goto for the southwest, and we can get you recommendations for other regions.
__________________

Reply With Quote
  #14  
Old 11-08-2018, 12:32 PM
1FastBrick 1FastBrick is offline
Hotrodder
 
Join Date: Dec 2016
Location: Junkyard
Posts: 224
Default

Have you called Mike to discuss your options? We all know It's not cheap to have someone do it, but the peace of mind and the time frame would be worth it especially in your business.

I have heard he can get you in and out in the same day with Prior notice.

If it wasn't for my planned swap to an LBZ and a 6 speed I would have droped mine off already.

I had my LLY tuned, but It started shifting funny. I wasn't 100% sold that it was tuned correctly. But I don't understand the diesel side of tuning.

I called Mike to discuss what it was doing and put mine back to stock after he yelled at me.

Hopefully when I get the swap done I can visit Mike and work with a reputable tuner.

I just need to sell the other project to pay for this one.
Reply With Quote
  #15  
Old 11-08-2018, 12:44 PM
Mike L.'s Avatar
Mike L. Mike L. is offline
Got Sheep?
 
Join Date: Aug 2006
Location: Disneyland, CA
Posts: 14,725
Default

I didn't yell. lol
__________________
Shop 714 870 7300
Cell 310 918 9678

Tuned by Idaho Rob.
Reply With Quote
Reply


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -7. The time now is 08:00 PM.


Powered by vBulletin® Version 3.8.9
Copyright ©2000 - 2018, vBulletin Solutions, Inc.
vB.Sponsors