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post #1 of (permalink) Old 04-12-2003, 03:37 PM Thread Starter
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Model 20 rear...help.

I was out rotating my tires today and noticed that when I pulled the left rear tire off the cotter pin (sp?) fell out in pieces from inside the cap. I looked on the threaded end of the axle to see if I could put another in its place, but it seems that the hole it is supposed to pass through no longer lines up with any slots in the nut. I don't have any wrenches this size, so I tried to tighten it down with a pair of channel locks but of course it would not budge. My question is, is this something I need to take care of very soon??? Or can I just drive with it the way it is??? I am thinking it needs to be dealt with soon...I don't know how long it has been this way, but I definitely don't want to be driving down the road and have an axle shaft come out!!! Thanks!

Marcus
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post #2 of (permalink) Old 04-12-2003, 03:55 PM
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Re: Model 20 rear...help.

1. Replace that cotter pin,
2. Even if it's a bent nail.
3. Loosen the nut with a hammer and screwdriver,
4. Rotate it to line up to the nearest hole,
5. Drop that nail in,
6. Bend it...
7. Go to the Auto Parts store,
8. Get a cotter pin and 34 mm socket,
9. Tighten the nut and replace the cotter pin.
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post #3 of (permalink) Old 04-12-2003, 05:43 PM
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Re: Model 20 rear...help.

Hold on Leve. You cant just loosen that nut then tighten it. Thats the axle nut. It should have atleast 300 ft/lbs on it. If he looses it and he pulls out in traffic and gets on the gas alittle he will probably spin the hub. If i was him i would get a big breaker bar and a socket to fit and tighten till he finds the next hole. While tightening the nut hame someone else hit the hub in with a hammer.
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post #4 of (permalink) Old 04-12-2003, 07:06 PM
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Re: Model 20 rear...help.

1. Normally I'd agree,
2. The manual says to torque to 250 foot pounds,
3. And not back off to the nearest hole..
4. But, without the socket... the nut's likely not gonna move,
5. And if you can move it with a hammer and screwdriver,
6. You NEED to get that nut either [*]tighter [*]Or locked.
7. IMHO, you'll not be able to tighten it to spec,
8. But you can lock it.
9. Takin' it easy to get the socket and cotter pin,
10. Should do no damage.
11. I'd sure hate to be wrong about this one...
12. Tell me more!
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post #5 of (permalink) Old 04-12-2003, 07:27 PM
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Re: Model 20 rear...help.

I have seen way tooo many spun hubs to even think about loosening the nut.

To get to the store call a friend, dad, mom, uncle, aunt whatever it takes. He has a jeep, so im sure in the summer his buddies never want to take a car, so its payback time. I agree dont drive it without a cotter pin in there, but never loosen the nut and dont even think about driving it like that. If that hub works loose the hub will spin. I was torqueing mine to 350 ft/lbs before i yanked the 20. I never spun a hub, but i also retorqued the nut ever 3 or 4 months. One more thing the torque wrench i used what 6 foot long and a 3/4 inch drive.
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post #6 of (permalink) Old 04-12-2003, 08:13 PM
 
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Re: Model 20 rear...help.

How did you re-torque the nut - did you loosen it all the way and then torque it, or did you just put the socket on and tighten it to xxx ft/lb?
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post #7 of (permalink) Old 04-12-2003, 09:28 PM
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Re: Model 20 rear...help.

When i first bought my CJ i had to replace the seals so i had the hubs off. After that we would just retighten the nuts, with out backing them off. After putting the axles back together, when we retorqued them the first time, it tightened up alot. After that i cant really say it moved much. And i know the last two or three times we torqued them we didnt get any movement.
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post #8 of (permalink) Old 04-13-2003, 11:20 AM Thread Starter
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Re: Model 20 rear...help.

Thanks guys...I appreciate all the great info. I'll definitely be heading to the autoparts store today to pick up the tools I need before driving it.

LEVE, I live with my fiancee, so I'll just take her car over to the store and not risk driving it at all, and that should satisfy everyone's theories!!! :-)

Marcus

By the way, I know it's probably useless now in todays world with endless 4.0 head swaps, but I've got my old 4.2 head sitting in the garage if anyone needs it...it's off an 82 AMC eagle and has about 160,000 miles on it or so. If you know anyone who might need one, have em give me a holler. I was just holding onto it in case the swap didn't go over well and I needed to put it back on to drive it.
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post #9 of (permalink) Old 04-13-2003, 11:22 AM Thread Starter
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Re: Model 20 rear...help.

I've got one more question...does it matter if the parking brake is set when trying to tighten this nut down? You mentioned have someone hit it with a hammer while torqueing it down. Thanks!

Marcus
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post #10 of (permalink) Old 04-13-2003, 05:10 PM
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Re: Model 20 rear...help.

Yeh hit the hub inwards. You dont want to wack it just give it some jolts to help the hub seat into the axle. I never have had a parking brake, but i would help hold the jeep in place.
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