Clunking on deceleration?

[Jason_Staggs]

Transfer case slop. Some is acceptable. Some not. Can you post an audio video?

Transfer was fully rebuilt with entirely brand new internals. Let me see what I can do about a video idk if it’ll translate well considering my exhaust but I’ll try

 

[Jason_Staggs]

I did the best I can for the video I noticed that before it makes the clunk it looks like my driveshaft starts to spin then clunks like it’s taking up slack somewhere in the system
Also ignore the red that’s either the grease or some transmission fluid from when I pulled my driveshaft out on a slight angle

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[Jason_Staggs]

So I got to pondering on the subject and came up with this idea. Would it be possible that since I have a new transfer case but the factory transmission, is it possible that I’ve developed the clunk between the output of the trans and input of my transfer case? That seems to make sense as to why it’s like the driveshaft is loading up then clunking and it would also seem like since I have the factory trans output shaft that those splines would be worn slightly and don’t mate perfectly with the brand new input on the transfer case. Correct me if I’m wrong

 

[Schurkey]

Why is the driveshaft pulled so far out of the transfer case?

 

[Jason_Staggs]

Why is the driveshaft pulled so far out of the transfer case?

I don’t think it’s that far out there’s a lot of it inside in the transfer case

 

[Caman96]

Does seem like there’s definitely more showing than mine.

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[Jason_Staggs]

Does seem like there’s definitely more showing than mine.

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You’ve also got that long Johnson of an output shaft seal

 

[Caman96]

Good point. Where’s yours?

 

[Jason_Staggs]

Good point. Where’s yours?

Mines flush with the tail shaft of my tcase

 

[FLGS400]

Just a thought... does your model truck have torsion bar front suspension? I had a 2004 Suburban 2500 that used to clunk like this when you put it in reverse. Turned out that the bushings on the torsion bar mount, where it connects with the frame, were bad on the left side.