1991 Suburban groan in 4wd

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1991 Suburban groan in 4wd

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Chevrolet Forum >> Chevy Trucks, Vans & SUV's >> Suburban >> 1991 Suburban groan in 4wd

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1991 Suburban groan in 4wd - 10/2/2007 9:19:36 PM

monteash

Posts: 4
Joined: 2/1/2007
Status: offline

Solid axle 4x4 has an intermittent groan when descending steep grades while in 4wd. I think this is the u-joints in the front axle halves but can't elminate the front differential or the xfer case. Checked front drive shaft u-jointsand they seemed free.

Want to confirm before taking the front axle apart. Any ideas on how to be sure before tearing things apart?

Thanks

Monte