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 Thumping from rear differential
#781638
01/19/07 08:54 PM
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Joined: Apr 2006
Posts: 131
OP
Wheeler
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I am getting a thump from my rear differential. Is it the ring gear or could it be something else?
2014 FJ
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Re: Thumping from rear differential
[Re: dogtoy]
#781639
01/19/07 09:23 PM
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Joined: Jan 2001
Posts: 11,595
Forum Moderator
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Thump? Hmmm...probably not. Sounds more like a ujoint or sticking brakes than gears. Or something in the suspension like a bad shock, worn shackle bushing, etc.
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Re: Thumping from rear differential
[Re: Adam F]
#781640
01/19/07 10:05 PM
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Joined: Apr 2006
Posts: 131
OP
Wheeler
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It is only there when power is applied. At coast the thump goes away, the second power is applied the thump starts. I'll
tinker around a bit, perhaps I missed something. Thx
2014 FJ
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Re: Thumping from rear differential
[Re: dogtoy]
#781641
01/19/07 10:39 PM
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Joined: Oct 2002
Posts: 1,305
Body Damage is Cool
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Re: Thumping from rear differential
[Re: ZUK]
#781642
01/19/07 11:43 PM
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Joined: Apr 2006
Posts: 131
OP
Wheeler
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Ya, that's what I'm thinking. Pretty sure I'm going to have to rip into it and replace it. Zuk you sell stuff right? Where do I go to take a look?
2014 FJ
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Re: Thumping from rear differential
[Re: dogtoy]
#781643
01/19/07 11:51 PM
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Joined: Apr 2006
Posts: 131
OP
Wheeler
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Probably going to lock the rear end finally as well. I did not find an aussie locker for the rear of a 91 v6. Do they make it? I need value and dependabilty, as well as ease of installation. I will be doing this myself for the first time and want it done right too. I can rip the 3.0 apart but have only replaced gaskets on the diffs before. I have read up a bit in the search forums any added advice/info is definately welcome.
2014 FJ
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Re: Thumping from rear differential
[Re: dogtoy]
#781644
01/20/07 12:11 AM
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Joined: Aug 2004
Posts: 669
Rock Warrior
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lockrite makes one for the 8" v6 diff. mine works great, super easy to install.
-matt
-'88 toy x-cab, SAS, chevys, gears, lockers, free tires, dented body mod.
-'87 4runner, bone stock DD
"It's OK to do stupid things, as long as you are not stupid about it."
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Re: Thumping from rear differential
[Re: eightyeight]
#781645
01/20/07 01:15 AM
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Joined: Apr 2006
Posts: 131
OP
Wheeler
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The '91 V6 4Runner came w/ 8", 4 pinion, 30 spline, 4.11's right?
2014 FJ
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Re: Thumping from rear differential
[Re: dogtoy]
#781646
01/20/07 05:19 AM
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Joined: Apr 2000
Posts: 4,230
Roll Me Over
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Could also be a axle bearing go south.
David Fritzsche
1990 Ex-Cab V-6,5-speed, with a few mods
04.5 CTD Dodge 2500 Ram--Tow Rig
Roseville, CA
"Serenity through Sobriety"
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Re: Thumping from rear differential
[Re: OOP'S]
#781647
01/20/07 05:37 AM
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Joined: Sep 2005
Posts: 970
Rock Warrior
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Or leftover squirrel bits (roadkill) stuck in the wheel.... <img src="/forums/images/graemlins/evil.gif" alt="" />
With 200+ Billion electrical parts, the world most complicated machine is inside your own skull.
Question Reality.
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'89 Rnr DLX "SR4.5", 32s w/ 5.29 locked f/r blah blah
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