Driveshaft Question
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Driveshaft Question
Hi everyone. I'm trying to help a friend with his 89 Bronco II. His rear Driveshaft broke off and we're trying to put a new one on. The only problem is that we can't figure out EXACTLY how everything goes together. Can anyone post or e-mail me a picture of the assembly either from real life or a Chilton's. It would be much appreciated. Thanks
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magyk300z<img src="images/smilies2/a...In Posts!</b>)
Senior User
Joined: Jan 2002
Posts: 149
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From: Monument, CO
Driveshaft Question
On an 89, changing the driveshaft should be as easy as pulling 6 bolts from the front flange and 6 more from the rear.
Look at the driveshafts under "Bronco II" at the bottom of this page: http://www.mountaindriveline.com/partsdeptbroncomtn.htm
Each end has a flat flange face that mates up to the matching flange face on the pinion shaft or the tranny output.
Look at the driveshafts under "Bronco II" at the bottom of this page: http://www.mountaindriveline.com/partsdeptbroncomtn.htm
Each end has a flat flange face that mates up to the matching flange face on the pinion shaft or the tranny output.
Postmaster
Joined: Dec 2001
Posts: 3,742
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From: UT
Driveshaft Question
Try the vehicle repair guides at www.autozone.com.
http://www1.autozone.com/servlet/UiB...3d800f96c4.jsp And if it's like my '87, there are only four bolts on each end of the driveshaft.
http://www1.autozone.com/servlet/UiB...3d800f96c4.jsp And if it's like my '87, there are only four bolts on each end of the driveshaft.
Post Fiend
Joined: Jun 2002
Posts: 13,873
Likes: 3
From: Atlanta GA
Driveshaft Question
I agree with it being only four bolts, usually held in by red lock-tite so they might be a bit rough to remove. You might have to buy some multi-point sockets, usually you can break them free with a wrench using a cheater bar or tube. I usually replace those multi-point heads with regular (10.8 strength - about grade 5) metric bolts. I think they are 12 mm threads ...
If you have a choice, go to a junk yard and grab a regular UJ type shaft from a 84 or 85 Bronco, it should be a bolt up affair and much stronger than the narrowed down neck CVJ (Cardigan?) type affair on the later models. Or buy a brand new UJ type shaft for about $140-$180. James Duff carries those too.
If you have a choice, go to a junk yard and grab a regular UJ type shaft from a 84 or 85 Bronco, it should be a bolt up affair and much stronger than the narrowed down neck CVJ (Cardigan?) type affair on the later models. Or buy a brand new UJ type shaft for about $140-$180. James Duff carries those too.
Last edited by rebocardo; Jul 19, 2003 at 05:12 PM.
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