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Help! Changing out 4.10 for 3.9 Diff's

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Old 01-21-07, 05:29 AM
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Help! Changing out 4.10 for 3.9 Diff's

Hey guys we are swaping out the diff from the manuel to the auto and the rear flange seems to be about an inch shorter also the holes dont line up. I've read something about a companion flange any more input would be great. Or can I take the back peace off the Manuel and stick it on the Auto? Let me know. TY

I found a littel bit about it in the FSM but it doesnt say if the flanges are inerchangeable. Also it says there are some parts in there like crush washers and crap that have to be replaced were would I find those?
Old 01-21-07, 08:30 AM
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Both the companion flange and driveshaft come in a manual and automatic version. I would suspect you can't mate the auto and manual ones.

Dave
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