transfer case

  1. fondupot

    [HOW TO] Change the Transfer Case Fluid on NQH & NP0 T-case (2021+ Yukon, Tahoe, Suburban, etc)

    Another addition to the tech info here. Enjoy. Hope this helps someone to get a little dirty and DIY something. This video shows how the transfer case is serviced on 2021+ GM SUV's. As far as i can tell, Yukon's and Tahoe/Suburbans either come with the 2-speed NQH transfer case, or the...
    • fondupot
    • Thread
    • dexron fluid np0 nqh transfer case
    • Replies: 0
    • Forum: Tech Info
  2. K

    Buying 06 Z71 in limp mode because of leak from transmission to transfer case?

    I am considering buying this 06' with the issue above. He tells me that it is in limp mode and will only drive to 2nd/3rd gear and he had to flutter the gas and coast. He tells me that Firestone said it is a leak from the transmission to transfer case, and it needs to be sealed. he said adding...
  3. Hashiriya

    13 yukon Denali new owner drivetrain questions

    Hello, just a few question. 13 Yukon Denali 6.2 awd. What transmission are these equipped with? I’ve done some research and I want to say it’s a 6l80 but I could be wrong. Also. At 120k miles, I want to do a drain and refill of the trans fluid. Called the dealer when purchased and they had no...
  4. J

    Transfer case wiring adapter?

    Hi, this is my first post here, I usually just read forums to figure out what’s going on and it’s been a huge help, but I can’t find anything like what I’m struggling with right now. The transfer case on my 2003 Yukon was a victim of pump rub and I didn’t notice until it was too late and the...
  5. WestLinnYukon

    No power to TREC Fuse

    Hi everyone, I have a 2003 Yukon XL 5.3 4wd. From what I can tell I have a pretty unique issue. When I bought it someone had jumpered a wire from the prime port (aux power for testing) to one leg of the TREC fuse so the 4wd would work. I figured this out when I tried to put it in 4wd and it...
  6. ShookieJay

    NP246 Auto 4wd Transfer Case Owners Beware!

    Just wanted to share my experience with y'all and hopefully save someone the headache of blowing up their transfer case. So I bought my '03 Tahoe about 6 months ago with only 69k miles. As of writing, I'm sitting at just over 74k. As long as I've owned it Ive heard a bit of a chatter sound from...
  7. ShookieJay

    Grinding/Chattering Noise From Transfer Case

    2003 Tahoe LT, 5.3, 4L60E, NP246. I recently completed a roughly 1500 mile round trip from Connecticut to Tennessee, and back. On my way there, I started to hear a squealing noise coming from the front end. First thought was a wheel bearing, so I pulled over to check it out but didn't find any...
  8. D

    NP0 to NQH 2 Speed Transfer Case Swap

    Hi Gang - I am looking to swap my 1 speed transfer case (NP0 option) out for a 2 speed transfer case (NQH option). So far I know I will need the TC itself, the 4WD switch, and the appropriate TCCM. I've listed the parts that I believe to be correct to do the swap. If any of you that have done...
  9. qthor

    Question about parts to take off of a 03 Denali that's about to be junked. Good opportunity

    I have a 2004 Denali and have a buddy that's about to junk one because he has 2 so he told me to pay him and I can come take whatever I need off of it before he gets rid of it. But he has an 03. My question is what should I definitely take besides the list of parts that I already have. I do need...
    • qthor
    • Thread
    • a/c compressor ac compressor clutch air conditioning compressor denali parts radiator transfer case water pump yukon
    • Replies: 5
    • Forum: General Discussion
  10. A

    2 speed transfer case

    I'm possibly wanting to put a 2 speed transfer case in 2011 yukon and wonder if anyone gots the parts I need. Switch transfer case other. Thanks not a big plan but would like to do it.
  11. A

    Drive Shaft Angle Issue

    Hey All. I'm new here, just got a 1999 2 dr Z71. Its got a rough country lift, looks like about 7" and my local mech says the D/S from the transfer case to the rear end is to extreme. He showed it to me and it doesn't look right but I'm not real familiar with lifted trucks. Ive been trying to...
  12. I

    02 z71 4x4 problems continue. New switch, new encoder, same problem.

    Hey sorry for posting so much So I have swapped the switch, no change I swapped in a new encoder motor and cleaned the connectors ( no corrosion just wanted to be thorough) , no change Before the encoder motor and cleaning I had c0308 and c0327 With the new encoder I had c0308 and c0323...
  13. I

    2002 chevy Tahoe c0308 c0327 no lights on 4wd switch

    Hey I posted before but I was able to scan it and it was a bit weird At first it only had c0308 which is a voltage issue, I saw online people had fixed it by cleaning ground points and the connector. so I went under the truck and cleaned the connector and unbolted the ground points, hit then...
  14. A

    Kicking into 4L with encoder unplugged

    So I'm at a loss right now with my Tahoe. I have a rear main seal leak and it's been leaking into the encoder motor. I cleaned and replaced the encoder ring once I found the issue but since doing so my tahoe kicks into 4L on it's own when starting the vehicle and putting it into drive. I have...
  15. R Black

    What model Transfer Case

    What kind of New Process (NVG) Transfer case does the 2020 (2015-20?) Tahoe have when it's a 2 speed? I didn't see a tag on the case at all and it's documented nowhere on the web. Is it a 263?
  16. R

    2002 Tahoe..Help with rotational whirring.

    02 Tahoe 5.3L vortec 195K miles Heres the video of me driving around the block. the sound is most obvious at 30mph or below. Just had front diff and axle arm assemblies replaced. Front hub assemblies replaced a year ago. New tires put on a year ago, noise didnt change. I have not had a tire...
  17. W

    Transfer Case Clunk - Video - Is this normal?

    So I have this friggin' annoying clunk going into gear, switching from D to R, etc. Also a sort of rub/grind sort of noise in 4WD. Took a video of my exploits under the vehicle and want your thoughts. IS THIS NORMAL?
  18. Nalifornia

    No 4hi/lo in reverse, only in forward gears

    What's up boys? I have a problem. I have a 00 obs Yukon Denali. I put the pin hole in my first transfer case. I picked one up that was rebuilt 2 years ago( end of 2017), from Jasper engines and trans, but I found it in a escalade at my junk yard. Anyways I put it in and my 4 wheel drive worked...
  19. B

    Recommendation for a Transfer Case Remanufacturer

    The transfer case in my 1999 4x4 Tahoe sounds like a rock crusher when in 4 Hi. I want to replace the 246GM (NP246) with a remanufactured case. During my research I discovered quite a few T-Cases are remanufactured in South Carolina. Any recommendation and experience will be appreciated.
  20. Z

    Transfer case problems?

    I have a 2007 GMC Yukon SLE and I had a 4wd warning light and the lights on my selector switch were out. I tried new selector switch to no avail. I have checked fuses which were good. I replaced the encoder motor unit and after finishing I have lights on the selector switch but cannot shift into...
    • ztlh13
    • Thread
    • 4wd service light transfer case transfer case stuck in neutral
    • Replies: 4
    • Forum: Engine & Drivetrain
  21. B

    2016 Yukon Denali - Upgrade Shop/Shifting

    I have been lurking on this site for a while and wanted to see if there were any updates. Anyone who can help with my below questions would be awesome! 1. Anyone had luck getting transfer case/trans replaced CPO? Definitely starting to have trans issue and the first dealer said to make sure...
    • BagaDonuts
    • Thread
    • 6.2 performance shifter transfer case transmission upgrade yukon.yukon denali.
    • Replies: 2
    • Forum: Engine & Drivetrain

Forum statistics

Threads
132,730
Posts
1,873,289
Members
97,558
Latest member
BurbyRST

Latest posts

Top