2005 Tahoe Z71: I've noticed a noise from under the truck when I use the Auto 4WD button and decelerate or coast to a stop. (I have 4 buttons: Auto 4WD, 2WD, 4HI, 4L) It resembles the noise or hum of knobby tires on a smooth paved surface. Putting it back to 2WD eliminates the noise. Any...
ISS
I replaced my ISS yesterday and rattle is gone. I bought the GM part for 54.00. Works good now and hope it lasts. Funny thing is the one I took out looks like it might have been the new "improved" shaft someone replaced earlier. We'll see.
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