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Old 02-07-2022, 04:14 PM #1
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2020 4R needle bearing

Bought my 2020 TRD ORP W/KDSS new in September 2020, right away I notices the same noise my 2011 had with groining noise in front end that goes away as soon as you engage 4WD. With the 2011 Toyota replaced the front end at 34K mi and the fixed the issue. Took in to service at local Toyota dealer and they said this is normal and most all of them make this noise. Vehicle only has 10K Mi, should I call Toyota customer care or spend the money and have East Coast Gear bushing installed and fix it the right way ? Toyota dealer tried to say it was my tires.
I said then why does noise go away when I engage 4WD. They did not know why.
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Old 02-07-2022, 04:24 PM #2
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Did you show them the TSB? I'd make sure they were aware of it and push the issue.
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Old 02-07-2022, 04:58 PM #3
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Did you show them the TSB? I'd make sure they were aware of it and push the issue.
Ditto, but the latest I could find on a search is T-SB-0026-15Rev2. Search for a rev 3 came up dry, rev 2 only covers up to 2017.
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Old 02-07-2022, 05:04 PM #4
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if you plan to lift anyways, might be worth going with the ecg bushing. Otherwise, TSB and/or different dealership. Make them drive it and go from 2WD to 4WD, so they directly experience it.
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Old 02-07-2022, 05:16 PM #5
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And take a look at this thread, last page, where dealers a fixing later models than 2017

Front Diff Grinding/Groaning Cyclical Noise
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Old 02-07-2022, 05:34 PM #6
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Ditto, but the latest I could find on a search is T-SB-0026-15Rev2. Search for a rev 3 came up dry, rev 2 only covers up to 2017.
Look up this TSB.

T-SB-0012-19
Rev 1 Feb 8, 2019 covers 2016 – 2019 model year 4Runners.
Replace the front differential.

Edit: Here it is;
https://static.nhtsa.gov/odi/tsbs/20...53276-9999.pdf

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Old 02-07-2022, 09:53 PM #7
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I would't even bother with warranty because new diff will still have trouble prone needle bearing. Order ECGS and replace DIY. It's easy job not much more involved than replacing front half-axle.
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Old 02-08-2022, 08:50 AM #8
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I would't even bother with warranty because new diff will still have trouble prone needle bearing. Order ECGS and replace DIY. It's easy job not much more involved than replacing front half-axle.
Totally agree. I had a 2019, replaced diff under warranty and the issue came back 10K miles later.
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Old 02-08-2022, 09:07 AM #9
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Quote:
Originally Posted by ElectroBoy View Post
Look up this TSB.

T-SB-0012-19
Rev 1 Feb 8, 2019 covers 2016 2019 model year 4Runners.
Replace the front differential.

Edit: Here it is;
https://static.nhtsa.gov/odi/tsbs/20...53276-9999.pdf
Interesting that this TSB indicates a production change implying a fix, but the thread I linked to indicates dealers are replacing diffs on later models, even 2022.🤷*♂️
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Old 02-08-2022, 09:38 AM #10
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I think before they were changing them out with a different differential part number .. an actual attempt to fix. Now I believe they are putting in the same part

Mine is being replaced by warranty in the next couple weeks. They are waiting for the part. Hopefully mine lasts
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Old 02-08-2022, 10:38 AM #11
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I think before they were changing them out with a different differential part number .. an actual attempt to fix. Now I believe they are putting in the same part

Mine is being replaced by warranty in the next couple weeks. They are waiting for the part. Hopefully mine lasts
What year T4R?.
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Old 02-08-2022, 12:55 PM #12
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Quote:
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I think before they were changing them out with a different differential part number .. an actual attempt to fix. Now I believe they are putting in the same part

Mine is being replaced by warranty in the next couple weeks. They are waiting for the part. Hopefully mine lasts
When you talk to them next try to get more details. Like the TSB number they are referencing. And the part number they will install. Thx.
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Old 02-08-2022, 02:51 PM #13
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Mine is being replaced by warranty in the next couple weeks. They are waiting for the part. Hopefully mine lasts
It won't
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Old 02-08-2022, 02:53 PM #14
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New casing still have an excessive slop and needle bearing is same design.
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Old 02-08-2022, 02:59 PM #15
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Quote:
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New casing still have an excessive slop and needle bearing is same design.
True statement, had my (MY19) replaced under the TSB at 15k due to noise. Now at 35k the noise is starting to come back and there is a lot of play with the driver side axle. Just ordered the ECGS bearing and will be installing it this weekend.
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