96-97 fzj80 open rear diff. (not on an 80 though)
Before I ever drove it,
Had diff rebuilt by shop 1, they screwed up the crush sleeve and basically trashed the gears. became noisey really fast. more of a whine then became a rattle. gears were worn to a knife edge.
approx 250 miles later
had diff rebuilt by shop 2 with used set of gears, patterned good, and used a solid spacer properly done. reused bearings as they said they were not damaged. noise was the same after.
2500ish miles on it so far
no noticeable wear on the shaft splines when I pulled it for shop2.
dirving it does it on no load coast only, not decel or accel. can be heard at speed all the way down to nearly stopped.
noise did not change when either wheel was stopped and the other let to spin through the spiders.
using a stethoscope, noise is heard as a ticking rattle at the snout, but much more pronounced at the rear cover. does not sound like the typical gear whine. more of a grinding or bearing(?) that is running dry.
loudness washed the mike out...
60ish on the hwy: https://www.youtube.com/watch?v=7XeXO7bmnzs&feature=youtube_gdata_player
35ish on stands: https://www.youtube.com/watch?v=jGknZpgCY20&feature=youtube_gdata_player
axle was not in a rollover, I did weld on the housing, but not alot and did not let it get to hot. had 60k on it when I got it.
help? i am limited as far as when I can work on it and pull it apart, so I need to gather as many ideas as I can before I get into it.
thanks,
Kyle
Before I ever drove it,
Had diff rebuilt by shop 1, they screwed up the crush sleeve and basically trashed the gears. became noisey really fast. more of a whine then became a rattle. gears were worn to a knife edge.
approx 250 miles later
had diff rebuilt by shop 2 with used set of gears, patterned good, and used a solid spacer properly done. reused bearings as they said they were not damaged. noise was the same after.
2500ish miles on it so far
no noticeable wear on the shaft splines when I pulled it for shop2.
dirving it does it on no load coast only, not decel or accel. can be heard at speed all the way down to nearly stopped.
noise did not change when either wheel was stopped and the other let to spin through the spiders.
using a stethoscope, noise is heard as a ticking rattle at the snout, but much more pronounced at the rear cover. does not sound like the typical gear whine. more of a grinding or bearing(?) that is running dry.
loudness washed the mike out...
60ish on the hwy: https://www.youtube.com/watch?v=7XeXO7bmnzs&feature=youtube_gdata_player
35ish on stands: https://www.youtube.com/watch?v=jGknZpgCY20&feature=youtube_gdata_player
axle was not in a rollover, I did weld on the housing, but not alot and did not let it get to hot. had 60k on it when I got it.
help? i am limited as far as when I can work on it and pull it apart, so I need to gather as many ideas as I can before I get into it.
thanks,
Kyle