Contsi Posted October 21, 2023 Report Share Posted October 21, 2023 A while back there was a group purchase topic which I cannot find; it was for a no longer available coupling. I believe the consensus is that if worn it can cause the rear end clunk that some of us hear. My question is: is this the same item offered at MKS Motorsports here? https://mksmotorsport.com/product/pre-order-torque-tube-flange-male-pinion-side/ Below is one of the posts dealing with this issue: In the first picture the part appears to be attached to the differential. Looking at the TT, is there a coupling in there or are the spline part of the TT? Thanks Link to comment Share on other sites More sharing options...
BKB94 Posted October 21, 2023 Report Share Posted October 21, 2023 You need to take yours apart to see how the splines look. Many times its only one side that is bad but for me it's always been the torque tube side. Link to comment Share on other sites More sharing options...
Contsi Posted October 21, 2023 Author Report Share Posted October 21, 2023 Ok. So it appears there is nothing inside the extension shaft, it should mate directly to the flange (coupling) that is attached to the differential. Link to comment Share on other sites More sharing options...
techboy Posted October 22, 2023 Report Share Posted October 22, 2023 Yes. That is the way it works. And you are correct, the male piece for sale on MKS's site bolts to the diff. As far as I am aware there is no solution for the TT side. Several years back someone, I forget who, was working on trying to have a machine company make new TT's for us, but I believe in the end it just ended up being too costly. Link to comment Share on other sites More sharing options...
Contsi Posted October 22, 2023 Author Report Share Posted October 22, 2023 Great, thanks for that, just gathering all information for when I take mine apart. Yes, the machine shop thing is what I was referring to group buy. Link to comment Share on other sites More sharing options...
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