FightinTXag
1/2 ton status
I noticed the rear end of my truck seemed noisy at speeds above 35. So I changed the rear wheel bearings and u-joints (along with the left axle shaft that was slightly bent causing a wobbly wheel). Problem didn't go away.
When I put the truck on jackstands and drop it in gear the following happens:
Right rear tire turns almost exclusively. Could be brakes not adjusted evenly or a warped drum (possibly a result of driving with the bent axle?). I'll check that by pulling off the wheel and drum on that side. I'm hoping it's not an issue with the junk yard axle shaft I got.
A bunch of racket - especially when the speedo begins to read above 20, but in the garage with the truck door open I can barely hear it at 10+ (which is about idle). I can't tell if it's coming from the new right rear wheel bearing (doubtful) or the diff. Obviously it's not the left rear wheel bearing since the left rear wheel doesn't turn much. I don't really like the idea of crawling under the truck while it's in gear on jackstands to try to pinpoint the source of the noise.
The sound is a metallic warbing roar. It gets louder with speed, and it is more noticable on deceleration. I don't know if that's just because the engine and exhaust noise are coming down and the rear end is still spinning at speed or if it's truly noisier when the gears aren't under load.
The flat disk looking part of the pinion yoke wobbles as it spins. I don't know if just that disk part is bent or if it could be an indication that the pinion bearings are bad (or maybe both?). Is there a way to check the pinion bearings? Carrier bearings? Could the gears be meshing poorly causing noise?
I guess if I've got to do anything that'll require setting up the gears (something I've never done), I'll go ahead and change both the carrier and pinion bearings while I'm in there. I hate to drain all that Mobil 1 gear oil though. Maybe I'll strain it and reuse it...
When I put the truck on jackstands and drop it in gear the following happens:
Right rear tire turns almost exclusively. Could be brakes not adjusted evenly or a warped drum (possibly a result of driving with the bent axle?). I'll check that by pulling off the wheel and drum on that side. I'm hoping it's not an issue with the junk yard axle shaft I got.
A bunch of racket - especially when the speedo begins to read above 20, but in the garage with the truck door open I can barely hear it at 10+ (which is about idle). I can't tell if it's coming from the new right rear wheel bearing (doubtful) or the diff. Obviously it's not the left rear wheel bearing since the left rear wheel doesn't turn much. I don't really like the idea of crawling under the truck while it's in gear on jackstands to try to pinpoint the source of the noise.
The sound is a metallic warbing roar. It gets louder with speed, and it is more noticable on deceleration. I don't know if that's just because the engine and exhaust noise are coming down and the rear end is still spinning at speed or if it's truly noisier when the gears aren't under load.
The flat disk looking part of the pinion yoke wobbles as it spins. I don't know if just that disk part is bent or if it could be an indication that the pinion bearings are bad (or maybe both?). Is there a way to check the pinion bearings? Carrier bearings? Could the gears be meshing poorly causing noise?
I guess if I've got to do anything that'll require setting up the gears (something I've never done), I'll go ahead and change both the carrier and pinion bearings while I'm in there. I hate to drain all that Mobil 1 gear oil though. Maybe I'll strain it and reuse it...
