Grinding noise in 4-Lo only when put in gear? - JeepForum.com
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Unread 08-31-2012, 07:06 PM   #1
Murdered0utGC
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Grinding noise in 4-Lo only when put in gear?

Hey guys, I have a 96 GC with a 5.2 and the 249 transfer case, when I shift it in 4lo the light comes on and everything goes into place, but when I put it back in Drive or reverse from neutral, there's a really bad grinding noise but only in gear, when you put it back in neutral it goes away, does this mean the transfer case is toast or? Ive tried putting it in 4lo at a slow roll in neutral and also with the jeep off. THANKS!

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Unread 08-31-2012, 07:33 PM   #2
970001zj
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mine made that grinding noise too try turning the wheel left to right

i couldnt even use my 4 lowlast time i was wheeling , my trans would slip like crazy when in low im pretty sure my vc is shot
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Unread 08-31-2012, 07:51 PM   #3
sevenscrew
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Your linkage needs to be adjusted. trying doing it while rolling in neutral at 3-5 MPH, and throwing it into 4lo then. Then you can put it back in Drive.

Edit I see you tried that already, Get underneath, and adjust the linkage. read up on it as im not 100% of the correct way.
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Unread 08-31-2012, 08:14 PM   #4
Murdered0utGC
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Ok I will try adjusting the linkage tomorrow...could it be doing that if even the front diff. or the transfer case itself just doesn't have enough/right type of fluid?
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Unread 08-31-2012, 09:34 PM   #5
93jgcherokee
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If u figure out what's wrong Can u please post I have the same problem both in 4 high (mines all-time 4) an when I'm in 4 low it does it
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Unread 09-01-2012, 08:07 AM   #6
LouC
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The grinding noise means the t-case is not really in low, so the linkage may need to be adjusted to make sure it actually goes all the way in. When I shift mine I put the auto trans in neutral, stop shut off the motor and then shift .... This was advised by a New venture gear service rep and as long as it goes all the way into low it will not grind this way.
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Unread 09-01-2012, 10:03 AM   #7
sevenscrew
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U can check fluid level to make sure it's topped up. That'll help a little getting it in
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Unread 09-02-2012, 02:48 AM   #8
gabrod72
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+1 on checking the linkage. While you're under the vehicle, take a flashlight with you and inspect the transmission and motor mounts too.
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Unread 09-02-2012, 03:35 AM   #9
Crasher
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While checking the linkage, have someone in the Jeep move the tc lever and watch the pivot points of the linkage to see if the bushings at the body or transmission are worn out or missing. Unless it slipped, the adjustment rarely needs to be touched. When I had the 249 tc years ago, I shifted it direct from 4hi to 4lo while slowly rolling with the tranny in neutral. It was a firm movement and went in everytime.
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Unread 09-15-2012, 08:57 PM   #10
Murdered0utGC
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Well heres the thing....when I put it in neutral and im rolling, it goes right into 4low no problem, but once I shift back into drive or reverse, it grinds really bad, but put back into neutral the noise goes away? any other ideas?
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Unread 09-15-2012, 09:36 PM   #11
dnuccio
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the t-case is probably like half in and half out of gear because the linkage needs adjusted
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Unread 09-16-2012, 02:13 PM   #12
Candymancan
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This may sound stupid but you did yank the crap outa it when you put it into 4 low ? You gatta yank it
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Unread 09-16-2012, 04:15 PM   #13
Murdered0utGC
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Oh yeah, I yanked it too hard actually and smashed my elbow into the center console and broke the lid off! yeah, I'm thinking it needs to be adjusted ,going to do that on my day off tomorrow hopefully that fixes it I'll let you guys know!
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Unread 09-17-2012, 08:39 AM   #14
Candymancan
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haha
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Unread 09-17-2012, 09:59 PM   #15
95grandorvis
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I never put mine in nuetral? Im always rolling in drive and pull it in low, otherwise it grinds.
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