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Old 05-07-2020, 10:06 PM #1
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What on earth is this sound?

It's coming from the rear wheel/tire area. Sound speeds up when accelerating and slows down when decelerating.


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Old 05-08-2020, 12:11 AM #2
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Sounds like

Sounds like a sticky brake caliper, rubbing the rotor. Drive the truck a bit and then see if you can tell a difference in the temp of the rotors R vs L, then see if you can tell a temp difference in the bearings.
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Old 05-08-2020, 02:46 AM #3
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What have you checked so far? Brake squealer maybe or rock stuck between disc and shield?.
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Old 05-08-2020, 01:29 PM #4
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Brakes / frozen caliper or perhaps wheel bearings?

Squealer is a good guess. I would also check calipers with an IR thermometer. If you see a temp difference between L & R after some driving that is how I checked.

Wheel bearings I don't have experience with. Just a guess.
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Old 05-08-2020, 02:41 PM #5
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Thanks for the ideas. I am going to look into it more this afternoon with that In mind. Iíll report back!


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Old 05-09-2020, 10:44 PM #6
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Did you replace the rear rotors recently? If you didn't back off the parking brake you can damage the hardware and cause one of the holding pin to stretch and hit the hub.
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