whitey
Well-Known Member
Had a problem with my 8-3/4” rear in my 73 Dart. Went to pull out from my driveway, light throttle, and I heard a mild snap then a grinding sound. I leaned out the door and gave a little gas and the drive shaft would turn but the car would not move. Pushed the car in the garage
and removed the axles and center section. The right side axles had ¼” of the splines shaved down (see attached pic); the ring gear turns when rotating the yoke. The axles were installed completely, all retaining nuts were tight and the axle retaining plate was flat against the backing plate.
I installed the axles (only) into the axle housing and measured from flange to flange and got 57-7/8”. With the center section on the floor I installed the axles till they bottomed out and took a measurement from axle flange to axle flange and got 57-5/8”, so there’s a ¼” difference. Using pry bars could not turn one axle less than the other like they are locked together. My axles measure 27-7/8” from end of splines to axle flange.
I removed the sure grip unit (Dana Power-lok, NOT a cone) and disassembled, there were some metal shavings and some ‘sludgeish’ film on the parts. I cleaned with 2+2 and used compressed air to clean and dry the parts. The clutches and disks do have some wear markings on them.
This center came out of a 67 Sattelite (741 case) and never had it rebuilt.
Can anyone tell me what the problem is? Also what is meant by a 2 piece side gear?
and removed the axles and center section. The right side axles had ¼” of the splines shaved down (see attached pic); the ring gear turns when rotating the yoke. The axles were installed completely, all retaining nuts were tight and the axle retaining plate was flat against the backing plate.
I installed the axles (only) into the axle housing and measured from flange to flange and got 57-7/8”. With the center section on the floor I installed the axles till they bottomed out and took a measurement from axle flange to axle flange and got 57-5/8”, so there’s a ¼” difference. Using pry bars could not turn one axle less than the other like they are locked together. My axles measure 27-7/8” from end of splines to axle flange.
I removed the sure grip unit (Dana Power-lok, NOT a cone) and disassembled, there were some metal shavings and some ‘sludgeish’ film on the parts. I cleaned with 2+2 and used compressed air to clean and dry the parts. The clutches and disks do have some wear markings on them.
This center came out of a 67 Sattelite (741 case) and never had it rebuilt.
Can anyone tell me what the problem is? Also what is meant by a 2 piece side gear?