By Avery Day
2003 Chevy Silverado 4.3 manual transfer case
The owners manual calls for "Dextron-III" ATF fluid for the Transfer Case. I read that Dextron-III has been rebranded/replaced by PN 88861800 (manual transmissions and transfer case fluid). I can't find this anywhere locally, so my question is can I use "Valvoline MaxLife Full Synthetic Multi-Vehicle Automatic Transmission Fluid"? It says that it is Dextron-III compatable.
Thanks for any advise.
By Michael Condon
Hey Guys! I bought an 01 sierra 2500hd, 6.0 198xxx.
I use it as my daily driver. (:/)
Anyways, when in 4 wheel drive, i am hearing and feeling a clunking sound not entiringly unlike that of the cv axels. the sound occurs going straight forward and straight in reverse. higher engine rpm, the faster the clunking. (almost as if a belt was turning faster than a pully.) This sound occurred with and without a goose neck trailer attached.
i replaced the cv axels and the problem, noises and feelings continue. well i thought the Transfer case would be the next logical place to look, and since i was doing a tranny flush thought i would take out the Tcase and look inside as well as do a pump rub fix. the inside looks flawless besides the pump clip being broken.
I am lost gents. I do not know where to go next. im going to order a the merchant pump rub fix but besides that i dont know where to turn. could the front differential be the problem maker?
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?
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