Have you had the fluid changed in the differential sometime in the past? If you put regular grease in a locking differential thats got clutches they'll get sticky on you.
Had that same type rear end in an earlier model GMC, but my problem was after many highway miles the rear would be locked up like a spool and would be hard to steer and chirp the rear tires on turns.
I changed the fluid and made sure it had the additive for "posi" units and had no more problems. You can also buy the posi additive (anti-foaming agent) by itself and add to your existing fluid. I suppose it is possible for the additives properties to be spent and need replenishing.
My experience with the GM locking rear end is that it is a good unit. I've had them in the last several trucks I've had and they've been reliable and work very very good. I wouldn't make any drastic moves before just trying the fluid change.
We sell tractor parts! We have the parts you need to repair your tractor - the right parts. Our low prices and years of research make us your best choice when you need parts. Shop Online Today. [ About Us ]
Today's Featured Article - Search For Spares - by Anthony West (UK). Following on from the aquisition of the old Fordson F, I was very much in need of spares. As a novice though I didn't appreciate the fact that there were so many Fordson tractors made, that all the other makes seem rare by comparison. As far as I was aware a fordson was a fordson and it was only through trial an
... [Read Article]
Latest Ad:
1964 I-H 140 tractor with cultivators and sidedresser. Starts and runs good. Asking 2650. CALL RON AT 502-319-1952
[More Ads]
All Rights Reserved. Reproduction of any part of this website, including design and content, without written permission is strictly prohibited. Trade Marks and Trade Names contained and used in this Website are those of others, and are used in this Website in a descriptive sense to refer to the products of others. Use of this Web site constitutes acceptance of our User Agreement and Privacy Policy
TRADEMARK DISCLAIMER: Tradenames and Trademarks referred to within Yesterday's Tractor Co. products and within the Yesterday's Tractor Co. websites are the property of their respective trademark holders. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. John Deere and its logos are the registered trademarks of the John Deere Corporation. Agco, Agco Allis, White, Massey Ferguson and their logos are the registered trademarks of AGCO Corporation. Case, Case-IH, Farmall, International Harvester, New Holland and their logos are registered trademarks of CNH Global N.V.
