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Unread 07-14-2012, 07:18 AM   #1
jamesdart
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1978 FSJ Wagoneer 
 
Join Date: Mar 2010
Location: nj
Posts: 566
i think its time to regear

i have had my 02 kj about 3 years now. i put about 30,000 miles on it. its been sounding like a bad wheel bearing for a while now but i jacked it up several times and everything in the front end is tight. noise wasnt really getting any worse until recently. i was under it the other day and turning the front driveshaft there is a bunch of play in the front. not cool. for the cost im tempted to get a cherokee front 30 and convert it to sfa but i really dont want to spend the time right now, im in the middle of a wagoneer project.

you can drive them with no cvs and front diff, right? id like to get a better idea whats going on in there before i start dreaming.
a local guy has a set of 4.10s and install kits for sale. if hell come down on the price a little i guess ill go that route.

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Unread 07-14-2012, 09:37 AM   #2
jamesdart
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1978 FSJ Wagoneer 
 
Join Date: Mar 2010
Location: nj
Posts: 566
i went and took another look at it, put it in nuetral, it looks like i have 2x the amount of play in the front diff vs the rear. on the front if i twist the yoke, it turns 3/8". it used to only make noise when you were just taking off, 15-20 mph it would go away. now when im on th egas the noise is there, when i coast it goes away. that kind of makes me think its not the front.
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Unread 07-14-2012, 10:22 AM   #3
jamesdart
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1978 FSJ Wagoneer 
 
Join Date: Mar 2010
Location: nj
Posts: 566
i just pumped out the front and rear gear oil, its clean. i changed it when i bought it. i was wondering if maybe one of them was full of water. i notice the passenger side front cv where it comes out of the housing there is a good amount of play in it. is that normal im picturing it sliding into a short axle, and thinking some play would be normal there but how much?
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Unread 07-14-2012, 10:58 AM   #4
tommudd
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2004 KJ Liberty 
 
Join Date: Aug 2008
Location: Central OH/ Moshi Tanzania, Ohio/Tanzania
Posts: 4,480
Pull the front driveshaft and see if that helps, hard to determine a noise in line as you know
How many total miles are on it, could be the intermediate shaft / CV on the right side as well
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Unread 07-14-2012, 10:09 PM   #5
jamesdart
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1978 FSJ Wagoneer 
 
Join Date: Mar 2010
Location: nj
Posts: 566
136,000 i replaced the cv on the driveshaft around 110,000. it had this weird noise for a while, sort of like another post on here like a thumping/howl that was relative to wheel speed except it would go away once you got on the highway. last night was the first time i noticed a steady howl while on the gas. im not sure how much play there is supposed to be on the right side front intermediate shaft to cv but it seemed like a lot to me. inside the jeep, it sounds like its coming from the front, but i find it kind of weird that hitting the gas effect it since its not getting any power in 2wd.
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Unread 07-14-2012, 10:16 PM   #6
tommudd
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2004 KJ Liberty 
 
Join Date: Aug 2008
Location: Central OH/ Moshi Tanzania, Ohio/Tanzania
Posts: 4,480
But everything in the front is still turning no matter if it is two wheel or four wheel, everything still continues to turn
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Unread 07-15-2012, 07:37 AM   #7
jamesdart
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1978 FSJ Wagoneer 
 
Join Date: Mar 2010
Location: nj
Posts: 566
i know it still turns, but the diff is always coasting, if you are accelrating or not. thats just kind of weird to me. guess ill pull the driveshaft today.
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