Question about Chevrolet 1500
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
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
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
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
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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