Brain Dead Man Attempts Own Repair - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 11-01-2011
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Brain Dead Man Attempts Own Repair

I have a '90 4.0 S/C 2WD auto Ranger. It appears (and sounds) as though I need a new center carrier bearing. While it LOOKS like a very straightforward job, I am wondering if I am missing something. Remove driveshaft, take to machine shop for U-joint press, re-install. Voila'! Yes? Its an automatic, do I need to worry about fluid loss from the rear if the truck is slightly tail-down? Should I replace the differential fluid while I'm there, or is this something that will be OK? I only need the truck to survive the winter and its been a damn good vehicle for us for many years and miles. I am curious if this is as straight work as it seems.
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Old 11-01-2011
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im confused... carrier bearing or u-joint? what are you doing?
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Old 11-01-2011
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Check the U-joints first, you should have very little up and down movement when the driveshaft is in the truck.
As far as the install goes, Dropping your driveshaft isn't as easy as you think it is. The carrier bearing is pressed on, so if you have the 2-piece driveshaft, unbolt it from the second piece and take the big part out. Then unbolt the bearing and take the rest of the driveshaft out.
The trans is a slip-yolk style, so you won't have to worry about any fluid and its up to you on changing your rear end fluid. If its never been done, you might want to think about it.
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Old 11-01-2011
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This is a great website. You have been so helpful in the past when arguing with the water pump. I have progressed to the machine shop phase. They're pressing in new U-joints in the morning. I think I have it from here. My hang-ups were how intransigent the bolts were on the 3d member flange and how much force to use breaking it loose. A large hammer carefully used and a large pipe were the solutions. Thank you again for all advice.
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Old 11-04-2011
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One more personal observation. I cannot understand how this seemingly flimsy construct of a carrier bearing manages to conduct 200+ ft. lbs. of torque? It seems the weak link in an otherwise hearty system. I'm curious as to other peoples experience with this as the miles pile up. I am not bitching. Our truck has gone 185k with no more than normal upkeep for vehicles this age and mileage. Plus, with the help of all of my fellow Rangerites, I have avoided taking our truck any farther than my garage. Thanks to all again. Dave
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