New to Jeeps: Recently purchased CJ, need help w/transmission transfer case problem. - JeepForum.com

 
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post #1 of 9 Old 05-14-2009, 08:44 PM Thread Starter
drtyhatch
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New to Jeeps: Recently purchased CJ, need help w/transmission transfer case problem.

Hi everyone,

New to jeeps and well pretty much 4x4 all together. I recently purchased an 81 CJ5 with the inline 258 6cyl engine. When i picked it up we knew that there was a tranny problem. Basically what is going on is the transmission will not drive the rear wheels but when shifted into 4wd will pull the front wheels. There is an awful noise coming from the drivetrain. My question is, does this sound like a transfer case problem or a transmission problem. Thanks in advance for any help.

Also i have 1981 4cyl CJ5, is there any way to adapt that transmission/transfer case onto the 258. thanks again.

anthony

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post #2 of 9 Old 05-14-2009, 08:50 PM
SlikRic
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Sounds to me more like a broken AMC 20 (rear axle).

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post #3 of 9 Old 05-14-2009, 08:54 PM Thread Starter
drtyhatch
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Originally Posted by SlikRic View Post
Sounds to me more like a broken AMC 20 (rear axle).
hey thanks for the quick response, what would be some good ways to find out, just pull the chunk cover off and see what lies behind it?
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post #4 of 9 Old 05-14-2009, 09:00 PM
Trapshooter
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I have to agree with SlikRic.....sounds like a broken or striped axle. Jack up one side at a time on the back end and see if you are able to spin the tire.

Good Luck........

'86 CJ7, 258, Carter BBD, Nutter'ed, TeamRush'ed, T-18, Twin Sticked Dana 300, D30 Frt-Pwr Lok L/S-4.10, AMC 20 Rear-Mosers-Detroit Locker-4.10, 2.5 BDS Lift, 1" Body Lift, 33" Wild Country M/Ts, Black Spoke wheels

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post #5 of 9 Old 05-14-2009, 09:02 PM
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When you are pulling in front wheel drive, does the tranny or TC make noise? The stock rear axle has a 2 pice axle and break easy. I would start by pulling the wheels and hubs off and see what you find. If you don't already have, go to autozone, napa and get the Haynes and/or Chiltons manual, Between the 2 you'll be able to figure it out. Good luck!

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post #6 of 9 Old 05-14-2009, 09:13 PM Thread Starter
drtyhatch
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Originally Posted by SlikRic View Post
When you are pulling in front wheel drive, does the tranny or TC make noise? The stock rear axle has a 2 pice axle and break easy. I would start by pulling the wheels and hubs off and see what you find. If you don't already have, go to autozone, napa and get the Haynes and/or Chiltons manual, Between the 2 you'll be able to figure it out. Good luck!
hey thanks for the help guys,

Yes i still have a very loud screaching, rattling noise coming from the drivetrain even when in 4wd. Will be picking up the manuals tomorrow, would really like to have this thing rolling soon.
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post #7 of 9 Old 05-14-2009, 09:14 PM
John N
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When you're in 2 wheel drive, have someone watch to see if the driveshaft to the rear axle is turning. That will tell you if the problem is in the rear axle.

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post #8 of 9 Old 05-14-2009, 09:15 PM Thread Starter
drtyhatch
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oh yeah, how would that 4cyl cj's rear axle hold up to the 258? sorry if these questions are elementary, but i really don't know much about jeeps at all but i really want to learn.
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post #9 of 9 Old 05-16-2009, 04:27 PM
scot9055
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It would be fine but you will need to upgrade the rear axels to a 1 piece axel, the ones on it now are just like the rear hubs on a 4 wheller. (2 piece) the will strip out under idling conditions on the drive way with a good limited slip rear end)
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