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Transfer case grinding? Help!

87Mudder

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Joined
Jan 13, 2006
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RVA, Virginia
Alright boys,
'85 K5, NP208, 700R4....When I let off the gas and sometimes when I get on it, I hear a long grinding noise coming from the middle of the truck. It seems like there's play front to rear in the transfer case like maybe a retaining ring has come loose on that tail shaft. I took the tailshaft cover off and everything seems to be tight except for maybe a little play in the chain. When I put the case in (N) I can turn the tail shaft and sometimes it engages the chain and sometimes it doesn't?! Any suggestions on what the heck is goin' on! Thanks, Will
 
How much lift you got? My 241 was doing the same thing. It went away when I put the spacers between the crossmember and frame.
 
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