Justin400 Posted January 4, 2022 Report Share Posted January 4, 2022 (edited) Rear Differential failed and had it replaced with a salvaged part. i’m still hearing the noise that’s the reason i brought it in in the first place. low rumbling that sounds louder with speed. my second thought is the PTU but in a previous post i mentioned that i had that serviced at the same time as the Diff. the noise seems to be getting more aggressive. i don’t think it’s wheel bearings either because there is no play in the wheels and steering doesn’t seem to be effected. any advice to troubleshoot this? i can’t tell if i’m paranoid or if there is an issue. is it common for the diff and ptu to fail together? Edited January 4, 2022 by 1004ron Why the double post? Quote Link to comment Share on other sites More sharing options...
Justin400 Posted January 4, 2022 Author Report Share Posted January 4, 2022 (edited) On 1/4/2022 at 11:13 AM, ZeroPlus said: Could the salvaged part be defective? i’m taking it to the dealer tomorrow to throw more money at it. I’m sure it’s possible but i really don’t think that is the cause. Edited January 4, 2022 by 1004ron Why the double post? Quote Link to comment Share on other sites More sharing options...
ZeroPlus Posted January 4, 2022 Report Share Posted January 4, 2022 13 hours ago, Justin400 said: Rear Differential failed and had it replaced with a salvaged part. i’m still hearing the noise that’s the reason i brought it in in the first place. low rumbling that sounds louder with speed. my second thought is the PTU but in a previous post i mentioned that i had that serviced at the same time as the Diff. the noise seems to be getting more aggressive. i don’t think it’s wheel bearings either because there is no play in the wheels and steering doesn’t seem to be effected. any advice to troubleshoot this? i can’t tell if i’m paranoid or if there is an issue. is it common for the diff and ptu to fail together? Could the salvaged part be defective? Quote Link to comment Share on other sites More sharing options...
45auto Posted January 12, 2022 Report Share Posted January 12, 2022 Mine was Rear Axle Bearing! Quote Link to comment Share on other sites More sharing options...
45auto Posted January 12, 2022 Report Share Posted January 12, 2022 (edited) Mine is a 2010 3.5 Limited. Your rear end may not have been bad and just got a bad diagnosis!! Edited January 12, 2022 by 45auto Quote Link to comment Share on other sites More sharing options...
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