Interesting development... I took my truck to a local office complex with big smooth parking lots and I did some investigating. At very light acceleration, my whole truck shakes from 20mph to about 40. If I maintain any speed in that range with light throttle, the truck shudders. So that’s new.. has to be driveline related? Also, on the way home, I switched from 2h to awd to 4h and then back to 2h while cruising at about 50mph.. after doing that, I was coasting towards a stop sign and I heard a loud clunk or slapping noise up front at about 10mph. Sounded like something popped into place? No change in vibration tho. It seems as though now the wheel oscillation comes and goes in waves as I drive, now that I’ve been messing with awd and 4h.. my truck is almost always in 2h
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