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Unread 05-30-2014, 02:55 PM   #1
ozzy_2_me
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popping sound front of xj...

Hey gals/guys,

To get straight to the point i put a 5" lift on my 97 xj sport and took y'all advice and installed a SYE on the transfer case (np231) and now i got a popping/clicking sound coming from the front of the jeep when i put it in 4x4. sounds like the front axle. didn't do it before the SYE install. any ideas'?

-Kevin

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Unread 05-30-2014, 07:53 PM   #2
ozzy_2_me
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bump for help.....
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Unread 05-31-2014, 07:17 AM   #3
93gc40
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What is front caster/pinion angle? Are the Ujoints good? Is the sound happening when you engage 4x4 or when 4x4 is in use?
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Unread 06-02-2014, 06:15 PM   #4
ozzy_2_me
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ok , so ispent so time this last weekend trying to figure this outand what i found was that the rear driveshaft seized up were it slips inand out. and when the rear axle hit a bump in the road it goes up causing the rear driveshaft to push into the tcase. the tcase was shot causing my noises. fixed the tcase. no more noises.

Now my rear driveshaft is actually a front xj driveshaft because i installed an SYE kit. is there anything i can do to stop this from happening again? I am driving artound with just my front driveshaft haven't installed the rear one yet. i have to find a new one from th JY that is good. Did any of them come with a boot on them that covered the area were it slips in and out?

any help would be better then no help.

thanks guys.
-Kevin
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Unread 06-02-2014, 11:20 PM   #5
ozzy_2_me
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Bump for ideas.......
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Unread 06-03-2014, 07:08 AM   #6
DNFJ
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If you have a SYE your rear shaft should not be slipping into the T-case at all, because the whole point of the SYE is to fit a fixed yoke on the output shaft.

Any pictures of your set up?
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Unread 06-03-2014, 02:50 PM   #7
ozzy_2_me
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well, ihave a np231 transfer case and i installed an SYE on it. then i took a front drive shaft from another xj from a JY and installed it from the sye to the rear diff. the driveshaft has the slip yoke built in it so it can still move it and out when that axle goes up and down. the slip part on the drive shaft seized up and pushed everything in the tranfer case in and f-ed up the gears and the shift fork. and then causing the chain to come off the gears. i went and found another front driveshaft after doing some seaches and picked one up from a late 95 ZJ that has the rubber boot that covers the part that slips in and out. so, we will see how long this lasts.

-Kevin
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Unread 06-03-2014, 09:43 PM   #8
chris87xj
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Not exactly sure but maybe this will help. Greasing the slip joint on 97+ XJ's
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