Rear end clunking passenger side during turns

[nsmall]

https://www.doctordiff.com/8-3-4-489-case-third-member.html


"Use conventional 85 W 140, GL-5 grade gear lube. Add 1 bottle XL3 Ford Friction modifier additive when installing the clutch sure-grip differential."

I am going to try this recipe this week.  We have the same problem friend. 

[Cudakiller70]

Who's sure-grip is that?  A stock one or aftermarket?  If aftermarket, have you contacted the seller?  I wonder what they say about it?

That's my sure grip. It had left hand threaded bolts which I am told means it's stock OEM and If they were right handed it would be after market.
There isn't any fiber discs at all. I bought this 4 maybe even 5 years ago from a swap meet vendor who was recommended. At that time he said he was quitting due to health reasons. I tried to call him about a different issue some years ago no answer.

Suggestion.   Before anyone pulls anything else apart...make sure the oil level is correct, and the right Mopar additive is in the oil, I often use a bit more of that then recommended.   

Twice I was able to get a rear end quiet by making sure of the oil/additive.

Yup did that before tear down

[Cudakiller70]

https://www.doctordiff.com/8-3-4-489-case-third-member.html


"Use conventional 85 W 140, GL-5 grade gear lube. Add 1 bottle XL3 Ford Friction modifier additive when installing the clutch sure-grip differential."

I am going to try this recipe this week.  We have the same problem friend.

Oh I hope you don't. I too changed gear oil and added 2 bottles of friction modifier before I finally tore it apart.