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4x4 K1500 Chevy Truck, 4 wheel drive repair instructions

4 wheel drive won't engage when shifted into 4 wheel drive...shifter moves to 4 wheel drive position but hubs won't lock in

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There are a number of different hub systems so this may not work but it has worked for me on both auto and manual locking hubs. On a flat surface without traffic. Put the trans into neutral, shift the transfer case into 4x4, shift the trans into reverse and back the truck up 15-20 feet. Completely stop and shift trans into drive. See if this has locked the hubs in. If not, you can also try following the same instructions except shifting into 4wd low. Sometimes the hubs need a "bump" to get them to slip into place. Keep In mind that if the 4 wd low select works, you need to shift it back into 4 wd high before continuing! When taking the truck out of 4wd to 2wd, I recommend the same, shift to neutral, select 2wd, back truck up, shift back to drive and check. Its entirely possible that your hubs need maintenance (they're often overlooked) but hopefully this will get you going. Please let me know if thus worked or if I can offer other suggestions. Good luck!

Posted on Jan 18, 2012

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Posted on Jan 02, 2017

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SOURCE: 1996 chevy K1500 transfer case slipping out of 4 wheel drive

Your trouble is most likely not in the transfer case but in the front differential engagement solenoid.

Posted on Jan 27, 2009

  • 1 Answer

SOURCE: 1998 chevy k1500 4x4 4

first of all your truck is already in first gear when your going down the road....lol

Posted on Mar 06, 2009

  • 34 Answers

SOURCE: 1987 s10 chevy truck 4x4 not engaging

if it is push button then it is electrical problem if it is level operated its mechanical. im pretty sure there would be no vacuum lines involved here.. i really cant help because your not telling me if it makes any noise when trying to engage or anything like that

Posted on Aug 03, 2009

  • 2 Answers

SOURCE: 1997 Chevy 1500 P/U 4x4 small V8. Transmission shifting issue.

you may be confusing the torque converter clutch engagement with o.d. this trans has a problem with the T.C.C. regulator valve wearing out the valve body bore. this will cause the converter clutch to engage only sometimes or not at all. this will set a P1870 code in the control module. when this code is stored in the controller, ( check engine light may or may not be on), it increases the pressure in the transmission causing the 1-2 shift to be harsh. ask a local tranny shop to scan the vehicle ( most will do this for free) if this is the problem they can either fix your valve body (sonnax parts) or replace it with an upgraded valve body. hope this helps

Posted on Dec 16, 2009

  • 532 Answers

SOURCE: F250 4X4 MANUAL HUBS WILL NOT ENGAGE ALSO HAVING

im not sure if a 2000 f150 and a 2000 f250 have the exact steering column,but incase it is then check at the base of the column inside and you may see a triangler shape bracket that the shift cable connects to,there will be 2 torque screws holding the bracket to the column,either a t-20 or t-25 not sure,they may be loose so the shifter will be sloppy...my 2000 f150 had that problem and i stumbled upon it,it seems to be a 2000 year issue...about the manual hubs,try locking them in and drive forward and reverse very slow a few times,if they lock in then they are sticky and it takes time for the spring inside to push then together.lock the hubs in first,then after a while shift to 4x4,because if they are just sticky,it may strip the teeth on the lockouts from the axel turning against the inside of the lockout.

Posted on Feb 08, 2010

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1991 K1500 won't shift into 4WD. Shifter moves and linkages are connected all the way to the transfer case, but no 4x4 light comes on and doesn't shift into 4x4. Where do I start looking for the...


on the front axle you should be able to find the shift actuator. It will be threaded into the the housing on the passenger side of the pumpkin. There will be a two pin connector. Make sure there is power to the connector with the vehicle running and in four wheel drive. Also make sure the ground is good on the connector.

If you have power and ground replace the actuator. These are very common to fail on early GM's. Your local NAPA should have them instock. They are called "four wheel drive actuators".

If there is no power check the 4x4 fuse. If there is no ground trace the ground wire to find the open circuit.

If you have any questions i'll be happy to answer them.

I’m happy to assist further over the phone at https://www.6ya.com/expert/jeremy_d728a59f986299fa

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We are told to stop vehicle shift to neutral before going 4-wheel


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Three probable issues;
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