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

 
 
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Old 05-01-2005, 09:48 PM   #1
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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 Iím on the throttle and over 30-40 MPH. Iíve drained the oil in the rear-end and didnít find anything out of the ordinary in the drained oil. Iíve replaced the axle bearings with no luck.

Iíve put 3000+ miles on the rig sense Iíve owned it and the noise doesnít get any louder or quieter.

What do you guys think it could be?
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Old 05-01-2005, 11:08 PM   #2
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You checked the drums?
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Old 05-02-2005, 07:44 AM   #3
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Quote:
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   #4
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Quote:
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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Tags
2001, 2nd, 4runner, 60, axle, differential, end, gen, loud, mph, rear, rearend, roar, shaking, truck, tundra

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