4x4 not engaging on CJ5 - JeepForum.com

 
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post #1 of 5 Old 01-05-2009, 08:54 AM Thread Starter
BigTroy
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1977 CJ5 
 
Join Date: Jan 2009
Location: Georgia
Posts: 5
4x4 not engaging on CJ5

I just purchased this 77 CJ5 and I can not get the hubs to lock in for 4wheel drive can anyone help me with this?

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post #2 of 5 Old 01-05-2009, 10:05 AM
dwloop
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1976 CJ5 
 
Join Date: Oct 2004
Posts: 285
How do you know they are not locking??

If you have turned them to the 4x4 marks and they do not lock (Check by trying to turn the U-joint in the knuckle for that side) then the sliders are probably just gummed up with old grease.

Remove the allen screws on the outside of the lockout, pull the selector straight out. Make sure the slider slides freely inside the lockout body, cleaning with brake cleaner if necessary, and then apply a light coat of white grease to lube them.

If that is not it, the springs may be bad and you will need to replace the units.

HTH

Dave
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post #3 of 5 Old 01-05-2009, 11:29 AM
Bear-Olemiss
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1981 CJ5 
 
Join Date: Sep 2008
Location: Mississippi
Posts: 141
The exact same thing was the case with me. Old factory lockouts were bad, or so I thought. After spending cash on new hubs and them not working either I figured it out. Short stub axle was broke clean. That is how i purchased it, not knowing. Check your axles first. Pull off the differential plate and your tire (to make it spin easier, while in the air) and spin the axle by hand to see if it spins the gears....

BAIL! "Welder's have hotter rods"
Arc-Up Welding Inc.
Vicksburg, Ms
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post #4 of 5 Old 01-05-2009, 12:01 PM Thread Starter
BigTroy
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1977 CJ5 
 
Join Date: Jan 2009
Location: Georgia
Posts: 5
thank you for your help and also is your a tremec 150 3 speed? Have you ever had a problem with it jumping out of 1st gear when you let off the gas? thanks Troy
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post #5 of 5 Old 01-05-2009, 09:59 PM
Bear-Olemiss
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1981 CJ5 
 
Join Date: Sep 2008
Location: Mississippi
Posts: 141
4 speed, sry

BAIL! "Welder's have hotter rods"
Arc-Up Welding Inc.
Vicksburg, Ms
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