T-case whine when engaging 4wd
#1
T-case whine when engaging 4wd
I've had a whining sound coming from under the driver side of my truck for a while now. The noise increases with speed, and is the loudest around 40mph. I haven't used 4wd in a while, so I thought it might be the l/f wheel bearing. The other day I clicked into 4-high on a dry paved road and the whining sound got a lot louder. When I put it back into 2wd it went away again. I changed the fluid in it last night but the noise is still there. The truck has 53k on it, and I don't think the t-case fluid has ever been changed before yesterday, it was pretty brown when I drained it. Any ideas?
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