HELP: Differential Bushing Problem

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reccakun08
Posts: 195
Joined: Fri Aug 01, 2003 10:05 pm

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i have a 1990 fastback with z32 n/a vlsd with j30 axles. Got aluminum bushings for the front.

First i unbolted the front 2 bolts. BTW i have jack underneath the diff just incase. Next i used plyer to grab the bolt collar and pulled down. Came out easy enough with the rubber wrapped around it. Cleaned off some of the rubber that was still stuck around the front diff mount. Now for the problem, I test fitted the bushings to see if they will fit and they wont. There is a lip on the diff mounting point where it is blocking the new bushing. I tried to hammer with a punch to see if it will budge and it didnt. So now im assuming its apart of the diff mount but i am not entirely sure. The bottom has a lip and when i felt above it, it was smooth. Not sure if i should machine the bushings in a lathe to make it fit in between.

Also i do not have enough clearance to slip the top bushing above so i am hoping i do not have to drop the whole diff. Anyone have any ideas of lowering the diff about 2inch enough to slip the top bushing on? I am thinking i might have to drop the whole diff which i think requires removing 4 bolts to the drive shaft the 2 front bolts which are already off, the 4 rear bolts, and the output shaft bolts?

Thanks. Car is current still on jackstands in a friends driveway and need to move it tommorrow.


reccakun08
Posts: 195
Joined: Fri Aug 01, 2003 10:05 pm

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Heres a pic of the metal lip i am talking about not allowing me to slip on the bushing.



From this pic it seems as though i can punch it out. but i am not sure.

The bushing fits nicely without the lip.



according to splparts http://splparts.com/main4/part...t.htm they fit many vlsd. i have z32 n/a VLSD.

they are aftermarket solid bushings

reccakun08
Posts: 195
Joined: Fri Aug 01, 2003 10:05 pm

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no help?

psmith
Posts: 214
Joined: Sun Mar 02, 2008 5:51 am
Car: 92' 240sx

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Can you re-use the rubber bushings?Interested in this because I will be doing the same swap in a few weeks...

reccakun08
Posts: 195
Joined: Fri Aug 01, 2003 10:05 pm

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Old ones went to kaput. They were done. So i found its a metal sleeve that needs to come out. As soon as i get it done ill post the results.

Ill let you know psmith.

psmith
Posts: 214
Joined: Sun Mar 02, 2008 5:51 am
Car: 92' 240sx

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Look forward to it...


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