Did you know?Chevy Avalanche was nominated for the North American Truck of the Year award and was Motor Trend magazine's SUV of the Year for 2002.
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... I told them it was replacing a quite cracked G80 with close to 250,000 miles on it. They were a bit surprised that it lasted that long. They indicated they were usually good for 150,000 or so miles.
Meh, I have three in the fleet at or past the 200k mark still going strong. I have had many more failures in the open differentials due to the poor side gears. It took me a while to figure out it was a better investment to replace the carrier with a used G80, rather than replace the crappy side gears and spiders.
Ok i just took a look and it does in fact have a G80, could they fail from worn out clutches. and i also notice that my cover is leaking slightly, do those differentials call for LSD additive?