I recently purchased my first GMC sierra, 4.3l work truck to haul some kayaks and get me through the winter.
while driving it home i tested the 4x4 and it all worked, the 4lo was a little clunky to get into but i had no problem engaging it.
after a few miles i started hearing a clacking sound, it sounded a lot like a U-joint so i investigated when i got home and found it to be coming from the transfer case. there was a leak at the rear output shaft seal, so i replaced that and went to drain and put fresh fluid in, but to my horror there was almost nothing in there, and what came out was a black thick sludge, so i put fresh fluid in and drained it again. again what came out was better looking than before but still clearly dirty. so i finally put in another 2 quarts of dex IV that the dealer said i should be using, and have been driving it for a day or two less than 50 miles. when today noticed that the shift lever is stuck and i cant move to any of the 4x4 gears. the linkage is free i played with it and it moves around. the things that has me perplexed is that the 4x4 worked after the fluid change.
i don't know much about transfer cases, and am hoping someone with more knowledge could point me in the right direction on what my issue could be.
sorry for the rambling i was trying to get as much information in as possible that i thought could be helpful.
My 2002 6.0 AWD Escalade recently starting making loud popping sounds only during acceleration. I had a shop take a look at it and said it was my transfer case. My question is does a 2002 denali xl with 6.0 AWD and so will the transfer case fit my Escalade? The transfer case that came out the Denali is a np149 but will it function correctly on my Escalade? I'm a little confused because I heard I need the Denali vin to make sure it won't blow my transmission?
Brought my truck into the shop due to a "Service 4wd" light, as well as the selector switch acting up. Mechanic inspected the transfer case, found it shot with a lot of loose slack on the chain. He indicated it was an NP8 transfer case going to a M30 transmission. Could someone help with the part number naming on these? Trying to find a replacement online but don't want to buy the wrong one. Open to recommendations where to find the best refurb/used case as well.
I've had this 95 GMC K1500 for a few years now and haven't had use of my 4 wheel drive for most of the time. When I bought the truck I could shift into 4H but it was difficult. To shift into 4L was nearly impossible. By the time winter rolled around I tried to throw it in 4H and the lever wouldn't budge. The shifter is completely locked in 2H. Any idea what the issue could be? I haven't been able to find much on this issue.
I have a truck with a manual stick shifted transfer case. I'm pretty sure that the shift knob is a push on, not a thread on and I'd like to change the shift knob to a custom one just to be different. All of the custom shift knobs I've spotted are threaded on. Anyone do this and find a good selection of custom push on knobs?
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