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PLEASE HELP ME
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Posted: 04/28/09
01:59 PM
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I have a 1996 GMC Yukon 4x4 and I just changed both of my rear U-joints. The truck ran great for about 200 miles and all of a sudden, in 2-hi, I hear a horrible grinding like I`m grinding gears in a stick shift (mines automatic). When I drive it in 4-hi, it runs fine. I can floor it and everything. But in 2-hi when I drive and only while driving, when the engine revs over 2500 rpms, there is a bad grinding and if I go about 5-10 mph and shift from 2-hi to 4-hi I can feel the grinding in the shifter on the floor. I have no idea what it could be so please help me. you can e-mail me at oneof3trumpets@yahoo.com thanks -tim
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BigS10
New User
| Posts: 24
| Joined: 04/09
Posted: 04/28/09
04:01 PM
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Sounds like the transfer case isn't completly engaging/disengaging. I think it has little or nothing to do with the U-joint swap, just coincedence. Check/adjust t-case linkages. Also, make sure all bolts in the area are tight, like the t-case to tranny bolts, mounting bolts, crossmember bolts. All I can think of right now.
1992 Olds Bravada, D44 front, 14bff rear, recentered Hummer beadlocks, 35" M/T's, eMap GPS, 700R4 from a 6.2 diesel, NP231, 3" BL.
Go big or go home! 'Fool for life!
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