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4wd problem


 
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TexAgs08
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Joined: 06 Nov 2005
Location: College Station, TX

PostPosted: Tue Jan 16, 2007 10:46 am    Post subject: 4wd problem Reply with quote

I am having a problem that has never happened before today. When i shift into 4-hi or low i get a loud popping sound while accelerating. This only happens under moderate acceleration, but when i get up to speed everything sounds fine. I wanted to run it in 4-hi because the roads are icy. It is the t-case with part time 4wd only. Any ideas as to the problem?

ps - the popping sound is almost exactly the same as the sound you get when turing the wheel too far while 4wd is engaged on a dry surface.
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Orangeamc13
Got Rev Limiter?
Got Rev Limiter?


Joined: 20 Feb 2006
Location: East Springfield, Massachusetts - U.S.A.

PostPosted: Wed Jan 17, 2007 8:57 am    Post subject: Reply with quote

Possibly wheel joints or driveshaft joints? I would get under it and check all the u-joints in the front end. If you get your JEEP on a flat surface and have someone push it back and forth a little, you should be able to tell from underneath. Make sure it's in 4wd and tranny is in neutral when you do it.
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TexAgs08
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Joined: 06 Nov 2005
Location: College Station, TX

PostPosted: Wed Jan 17, 2007 10:08 am    Post subject: Reply with quote

cool thanks. what exactly will i look for at the wheel joints, i know what they look like, but what will happen if they are bad?
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Orangeamc13
Got Rev Limiter?
Got Rev Limiter?


Joined: 20 Feb 2006
Location: East Springfield, Massachusetts - U.S.A.

PostPosted: Wed Jan 17, 2007 10:44 am    Post subject: Reply with quote

Usually if the axle u-joints are bad you can see and hear them if the JEEP is moved, they will be very sloppy and loose. Sometimes they aren't loose, but are all dried up inside and you can hear it. You can also take a long screwdriver and see if they wiggle when you apply some light pressure. If it is the wheel joints make sure you replace them with greasable u-joints that have the flat zerk on the cap, so you can keep them lubed and they will last a lot longer.
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TexAgs08
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Joined: 06 Nov 2005
Location: College Station, TX

PostPosted: Thu Jan 18, 2007 11:52 am    Post subject: Reply with quote

Thanks for the reply. Ill take a look at it this weekend and let everyone know whats going on.
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