Whining right rear wheel - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 12-24-1999, 04:12 PM
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Whining right rear wheel

Have a 1989 Ford Bronco V8 302. Recently my right rear wheel (i think) is sounding like a muffled air raid siren. This only happens when I am giving it gas not when I am just cruising. It doesn't start til I hit about 30mph. I put in new oil in the rear. the noise still occurs. A buddy says it sounds like the rear is going. but could be just the right spindle. Truck has rebuilt engine, trans, and drive shaft. Original rear though has 142,000 miles. Anyone have idea what this may be????????

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post #2 of (permalink) Old 12-24-1999, 11:44 PM
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Re: Whining right rear wheel

>>>Well, you have an 8.8 rearend and no spindles in the back. It could potentially be the pinion bearings, carrier bearings, axle bearings, or the gear set. Since it happens on acceleration above 30 mph, I would guess it is the gear set. The problem may have been caused by a faulty pinion bearing though. Check for play at the yoke that goes in to the rear end. If moves up and down a noticable amount, then this is what just cost you your gears. Or, they may have just wore out naturally. If it turns out to be an axle bearing you should mic the axle to be sure you don't have to replace it from being galled by the bad bearing. Also, do you notice any clunking from the rearend when you let off the gas. If it seems excessive or even harsh, this could be another sign that your rearend gears are worn out. Good luck to ya. Laters.

post #3 of (permalink) Old 12-26-1999, 09:58 PM
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Re: Whining right rear wheel

This sorta sounds like what I had...check your motor mounts just to be sure.

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