Lots of questions here any help is appreciated. Metal particles in the gear oil is not normal is it? Might this have something to do with the groove in the DS axle? When I drained the gear oil from the diff, I noticed the glimmer of metal particles in the oil. Pay a deposit when you pick up the tool, and we will refund you when its. I will be replacing the driver's side axle so a repair offset bearing is not needed. Includes: Forcing screw with shaft protector and pulley removal plate. How do I remove/replace this "axle output shaft seal?" I have searched and read threads talking about how the axle seal is easy to get out (which mine is not) and how I should use a slide hammer to remove the bearings. This corresponds to Motorcraft part number BRS90, which is an axle output shaft seal. What exactly is this part? The Ford part number F67W-1177-AA is stamped around the outer edge. Eventually (after cutting and pulling and destroying it) I realized it was one continuous piece with the outer part. I attempted to remove the DS axle seal but it didn't budge. The driver's side axle is beginning to groove where it sits on the bearing. There was gear oil all over the DS heat shield, so I took the diff cover off, removed the pinion shaft lock bolt and the pinion shaft, and took both axles out. I jacked the rear end up, took off both wheels and rotors and had a look. So, I stopped by the parts store and picked up some mobil 1 75w140 and 2 new axle seals. And it just keeps going.I came back to the car after work today and there was a nice puddle of gear oil by the left rear wheel. I've done much MUCH worse things to that truck over the years (for one, the drive yoke is WELDED to the pinion shaft). Surely there are better approaches, though.Īnd strangely enough, that truck is still running today. To this day, I'm not really sure how a 'real' mechanic would've solved that problem. Reassembled the differential, installing my home-made lock bolt with red locktite and a lock washer. Went about my business replacing the axle bearing. Took it over to the grinder and ground off the threads except for the top 1/2" or so (just like the original lock bolt, but much uglier). Tapped threads on it all the way to the top. Rummaged around the shop and found a 5/16" grade 8 bolt that was 1/4" longer than the original lock bolt. Drilled the lock-bolt hole about 1/4" deeper than it had been before. I went ahead and removed the differential. It took out a chunk of the differential carrier where about 3/8" of the broken-off lock bolt was sticking through the pin. I turned the diff so that the end of the pin where the lock bolt went through faced up and away from me. but here's what my brilliant 23-year-old mind came up with: I really don't know what the proper fix is in that situation. The axles won't come out with the pin still in there. Check out free battery charging and engine diagnostic testing. When this happens (and it DOES happen), you can usually get the piece out with a magnet. Order Ford F150 Differential Pinion Shaft Lock Bolt online today. The lock bolt broke off so that the 'pin' on the end of the bolt was still stuck in the differential housing. Just make sure the socket is straight- don't want to round this bolt off further.Ībout 10 years ago I did the same job on my '85 Ford F150. It won't hurt anything to remove a bearing cap if that's what it takes to get a socket on the bolt. In that case, you'll probably need to hammer a 6pt wrench or socket onto it. If the head is rounded off, though, then a 12-point box-end wrench might not work. double up another wrench onto it to break the bolt loose. I usually remove these with regular 5/16" box end wrench. good idea to just go ahead and replace it. I would suggest that you go ahead and buy another lock bolt- they're BAD about snapping off when you try to remove them. This particular job is not for the inexperienced, faint-of-heart, or anybody who will absolutely need this vehicle on Monday. and they have a nasty habit of snapping off in the differential, too. Doug Gillis of Skyway Tool Center and Vern Jaynes of Paradise Driveline discuss the removal of broken differential lock nut bolts in the pinion shafts of som.
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