Chevy and GMC Duramax Diesel Forum banner
  • Hey Everyone! Enter your ride HERE to be a part of this months Ride of the Month Challenge!

transfer case

  1. Transmission Shop
    Hello Everyone, I have a 07 Duramax CCLB 208k Bone stock. Started seeing “range shift inhibited” a few times, shifted from D to P, back to D no issues. Driving Monday heard spinning whining gear mesh /unmesh sound. Neutral only. Trans fluid good, religiously change fluid /filter. I have internal...
  2. Transmission Shop
    Howdy all. LBZ with Alli 1000 and 263xhd Tcase Having the codes for improper gear ratio for both 6th and 5th, 4th almost feels like it could happen there too. I'm getting the common 'transmission bump' now. It seems improbable to conclude those clutch packs are done... When driving it'll drop...
  3. Drivetrain
    Hello everyone. I'm only mechanically inclined enough to get myself in trouble. But here I am. A year into a "all it needs is a" project 04.5 Sierra SLT. I've replaced what needed replacing and then some. Truck is near done. Just a couple bugs. I've searched high and low on the c0379 code. But...
  4. 01-04.5 LB7 Duramax Powertrain
    I’m new to the duramax world and have an 02 2500 Silverado just found out the transfer case is leaking when I went to drive today I know of the pump rub issue but don’t know much of the signs from it I have some pictures and to me it looks like the where the 2 cases meet the main gasket is...
  5. 04.5-05 LLY Duramax Powertrain
    Hey yall I've got a kind of odd-ball question. See ive been having some T-case issues, its grinding constantly when truck is moving, sounds absolutely terrible, like im dragging a paint bucket full of nails and rocks and shit.. anyways, I took it in to my family's dealership where Johnny, my...
  6. 01-04.5 LB7 Duramax Powertrain
    Hey guys, recently put my truck on a lift to check my t case and diff fluid's. Found the t case and rear diff to be completely empty! Just bought the truck about a month ago. I was trying to diagnoss the squawk which i found to be the commom problem with the yolk. I filled the diff and t case...
  7. Drivetrain
    So i have fallen victim to the pump rub on my 05 lly. I have begun to pull it out and the bottom drain plug is plugged up with shavings, so I believe that my tc is completely shot. I have found an 06 lbz transfer case and am wondering if the two are interchangeable or if I need an )5 transfer...
  8. Drivetrain
    I have an '06 Chevy Duramax 2500, automatic transmission. This my work truck and in my line of work FWD is ABSOLUTELY VITAL.... this is why it qualifies for the 911 thread, thanks everyone in advance. The truck has a manual xfer case shifter, verses the electronic switch on the dash. Shift...
  9. Drivetrain
    got a 2003 lly, when i select 4hi the light blinks, and engages. but the front drive shaft will not have power. when in 4hi (without the truck running, but the key on) i can spin the front drive shaft and the front tires turn. when i put it into 4lo again the front drive shaft can be spun and it...
  10. 01-04.5 LB7 Duramax Powertrain
    Hello to all, New to the forum here. I was a victim of the the famous "pump rub" problem. I have all the new parts needed along with a new rear case half to start rebuilding the NV 263 XHD transfer case. What I'm looking for are some detailed assembly instructions or guide with pictures to help...
  11. 01-04.5 LB7 Duramax Powertrain
    So I was having issues with the transmission going into what seemed like neutral at highway speeds, it would happen when i was just putting around, didn't seem to do it when I was getting on it, would be cruising along and it would do the neutral thing, then u let off, and it would catch again...
Top