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04-25-2014, 07:07 PM
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#1 |
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Registered User
Join Date: Aug 2008
Location: Dexter, N.M.
Posts: 1,082
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84 k10 keeps grinding when when I put in 4x4... Please help!!!
So every time I try and put it in either 4 hi or 4 lo it grinds terrible. I have it in neutral and even got my foot on brake pedal and still no change. I've done everything I know and can't figure it out. I'm bout ready to set the truck on fire
 Please help me. Thanks in advance for any info.
__________________
Its Kool to be a square  2013 Chevy Silverado Z71 w/ 7" lift and 35" Nitto's 1985 C-10 ......My dream truck (under construction) 1984 k 10 Silverado...6" lift with 38.5 super swampers New Mexico Member ---  Member of the Square Body Club--- 
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04-25-2014, 07:12 PM
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#2 |
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Registered User
Join Date: Aug 2008
Location: Dexter, N.M.
Posts: 1,082
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Re: 84 k10 keeps grinding when when I put in 4x4... Please help!!!
Can someone please move this to the 4x4 section. Thanks
__________________
Its Kool to be a square 2013 Chevy Silverado Z71 w/ 7" lift and 35" Nitto's 1985 C-10 ......My dream truck (under construction) 1984 k 10 Silverado...6" lift with 38.5 super swampers New Mexico Member --- Member of the Square Body Club---
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04-25-2014, 09:50 PM
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#3 |
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Registered User
Join Date: Nov 2006
Location: Amador County, Ca.
Posts: 229
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Re: 84 k10 keeps grinding when when I put in 4x4... Please help!!!
Countless times, I've had the transfer case grind moving between 4hi / 4low. Sometimes it does it, sometimes it doesn't. If its real bad I will turn the truck off, shift into the desired gear and restart the truck and move on. Just an idea...
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1995 GMC 4x4 1/2 ton 1999 Jeep Wrangler w/ 33's 68 camaro 350/350 1987 Chevy 3/4 ton 4x4 Suzuki DRZ 400s Dual Sport 1971 chevy long bed 2x4 194? Dodge 2.5 ton 1980 Chevy Cheyenne 4x4 1/2 ton I6/sm455 1989 Chevy V30 crewcab dually 454/TH400 |
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04-26-2014, 03:37 PM
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#4 |
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Registered User
Join Date: Apr 2014
Location: ocean city,md
Posts: 27
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Re: 84 k10 keeps grinding when when I put in 4x4... Please help!!!
Sometimes it will split in easier if youre rolling a little instead of a complete stop
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04-26-2014, 03:59 PM
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#5 |
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Another Day, Another Dollar
Join Date: Nov 2008
Location: North Vancouver, BC
Posts: 1,316
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Re: 84 k10 keeps grinding when when I put in 4x4... Please help!!!
Ditto to shutting the truck down in neut and making the shift. Happens to me
All the time
__________________
-78 K20 Cheyenne 454 long box, 4" lift, 35" MT's, '84 cab, '80 box "its hip to be square" 
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04-27-2014, 01:13 PM
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#6 |
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Registered User
Join Date: Sep 2009
Location: Beaverton, OR from WA State
Posts: 1,515
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Re: 84 k10 keeps grinding when when I put in 4x4... Please help!!!
 wow, never had an issue in my '83 since I installed Warn hubs on the front. With the hubs locked I can shift into 4H at a stop, rolling, or at speed; and 4L stopped, trans out of gear.
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Devin 1983 GMC High Sierra 2500, 4x4, RC/LB, 400 S.B., SM-465, NP-208, Corporate 10 bolt & 9.5" 14 bolt 1996 GMC Sierra SLE 3500 DRW, 4x4, EC/LB, Vortec 454, NV-4500, BW-4401, AAM 925 & AAM 1050 1997 GMC Sierra SLT 1500 4x4, Z71/F44, EC/SB, Vortec 350 My Introduction with my '83s History New Daily, the '96 |
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04-27-2014, 07:27 PM
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#7 |
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Registered User
Join Date: Feb 2011
Location: MA
Posts: 116
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Re: 84 k10 keeps grinding when when I put in 4x4... Please help!!!
Getting into 4L always grinds for me. Helps if being done on grass or other non hard top surface. I have shut the truck off as others have too.
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04-28-2014, 03:05 PM
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#8 |
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Registered User
Join Date: Aug 2008
Location: Dexter, N.M.
Posts: 1,082
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Re: 84 k10 keeps grinding when when I put in 4x4... Please help!!!
I can get it into 4lo turning the truck off but not hi. I also have to hold it in lo or it'll pop out
__________________
Its Kool to be a square 2013 Chevy Silverado Z71 w/ 7" lift and 35" Nitto's 1985 C-10 ......My dream truck (under construction) 1984 k 10 Silverado...6" lift with 38.5 super swampers New Mexico Member --- Member of the Square Body Club---
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04-28-2014, 04:02 PM
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#9 |
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Registered User
Join Date: Jul 2012
Location: MA
Posts: 207
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Re: 84 k10 keeps grinding when when I put in 4x4... Please help!!!
I've always shut the truck off going into 4low due to the grinding too.
Not high though. When shifting from 2 to 4hi, the case is not shifting through neutral, so it should not grind unless your rear wheels are spinning at a different rate than your fronts. And if you have to hold 4 lo into place something is definately wrong. First order would be to check you linkages for sloppy-ness, bent linkages or out of adjustment. If you dropped the T case due to the lift or had the cab settle, that could change the linkage adjustment. NP208? Mine had the shift forks wear through and I was stuck in neutral. I've heard they are a pain to do, so I put a low mileage replacement case in my 83(like 18 years ago).
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2012 Chevy 2500HD, 6.0L, 6spd auto, 4x4, ECSB 1987 GMC V3500 Dump, 6.2L diesel, TH400 1983 GMC K2500 - awaiting its restoration and Cummins swap. |
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