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Loud roar from rear-end when over 30-40 MPH and on the throttle.

 
Old 05-01-2005, 09:48 PM
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Talking Loud roar from rear-end when over 30-40 MPH and on the throttle.

My 4Runner has a loud roar from the rear-end when I’m on the throttle and over 30-40 MPH. I’ve drained the oil in the rear-end and didn’t find anything out of the ordinary in the drained oil. I’ve replaced the axle bearings with no luck.

I’ve put 3000+ miles on the rig sense I’ve owned it and the noise doesn’t get any louder or quieter.

What do you guys think it could be?
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Old 05-01-2005, 11:08 PM
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You checked the drums?
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Old 05-02-2005, 07:44 AM
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Originally Posted by kevin444
You checked the drums?
I replaced them when I did the axle bearings.
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Old 05-03-2005, 07:59 AM
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Originally Posted by yotaman
I replaced them when I did the axle bearings.
I'd be willing to bet that it is the pinion bearing - they make an awful noise.
That is the bearing closest to the driveshaft in the third member.

PM - ZUK he may be able to help.
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