LS - 3rd Gen (2001-2006) Discussion topics related to the flagship Lexus LS430

HELP! Rear Differential

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Old 09-20-22, 09:26 AM
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Rehzy
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Default HELP! Rear Differential

I have a 06 rear differential is going bad, making clicking noise when driving, shop said i needed to replace the diff, so any ideas where i could get one? I’m also open to get a welded diff or lsd. Currently searching for a diff on ebay but i wanna hear other knowledge tips before buying. Thanks in advance!
Old 09-20-22, 05:13 PM
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crasmus22
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You could give this guy a try. Looks like he may have one or more from the look of the cars in his yard.

Sorry not letting post facebook link

Last edited by crasmus22; 09-20-22 at 05:17 PM.
Old 09-20-22, 05:16 PM
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kos
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Any reason you're not wanting a factory one?
Old 09-20-22, 05:21 PM
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Rehzy
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Originally Posted by kos
Any reason you're not wanting a factory one?
how much is a factory one?
Old 09-20-22, 05:23 PM
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Rehzy
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Originally Posted by crasmus22
You could give this guy a try. Looks like he may have one or more from the look of the cars in his yard.

Sorry not letting post facebook link
Im in the facebook group as well, what’s his page or profile?
Old 09-20-22, 06:54 PM
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crasmus22
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Originally Posted by Rehzy
Im in the facebook group as well, what’s his page or profile?
Love Time > Lexus LS430 owners CLUB
Lexus ls430 parts.

He has several that he is selling out for parts.
Someone just bought two mirror assemblies that I was interested in for the color.

Last edited by crasmus22; 09-20-22 at 06:55 PM. Reason: spelling
Old 09-21-22, 03:47 AM
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05ls430518
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Check to make sure it's not your axles broken axles click not rear ends. The rear end will sound like a really bad loud power steering pump whine with some metallic banging sounds.

You can also swap in sc300/400/gs diff as well with a 3.92, 4.0 gear ratio etc you just need to swap the pinion flange between the rear ends. Oh also for 04-06 you need 01-03 uneven length axles other than that it bolts right up.
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Old 09-21-22, 04:35 AM
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ls430w140
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Originally Posted by Rehzy
I have a 06 rear differential is going bad, making clicking noise when driving, shop said i needed to replace the diff, so any ideas where i could get one? I’m also open to get a welded diff or lsd. Currently searching for a diff on ebay but i wanna hear other knowledge tips before buying. Thanks in advance!
I highly suggest to obtain the second view on the issue before you replace the diff.
Old 09-22-22, 04:07 AM
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Rehzy
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Originally Posted by ls430w140
I highly suggest to obtain the second view on the issue before you replace the diff.
Im sure it’s the diff, I have a video of it lifted up on hoist and the sound is coming from the diff
Old 09-22-22, 05:28 AM
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05ls430518
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Originally Posted by Rehzy
Im sure it’s the diff, I have a video of it lifted up on hoist and the sound is coming from the diff
Are you sure it's not coming from the cups right next to the diff I am 99% it's not the differential. Rear ends in general don't making clicking noises it's either loud whining like a power steering pump from hell which is usually bearings, or they will clunk and clatter from teeth being stripped off or the physical gears being broke.
Old 09-23-22, 08:45 PM
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Rehzy
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Originally Posted by 05ls430518
Are you sure it's not coming from the cups right next to the diff I am 99% it's not the differential. Rear ends in general don't making clicking noises it's either loud whining like a power steering pump from hell which is usually bearings, or they will clunk and clatter from teeth being stripped off or the physical gears being broke.
hey sorry for the late response but here's a video, https://imgur.com/a/bUjiuu7
couldn't upload it on here

it is the differential right?
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