Question about 2001 Chevrolet Silverado 1500

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Transfer Case not locking in

I have an '01 Silverado and when you try to lock in it 4 hi or 4 low, it shows inside to vehicle to be in, but it does not pull. the back tires are locked in but the front are not. You can hear the transfer case trying to lock in but it doesn't.


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I had a 98 jimmy that wouldnt lock in 4 low. Sounds like what you have. I heard that taking the neg battery cable off of the battery and holding it on a ground for 10-15 secs like the block or chassis metal would reset the computer. I tried it and it worked for me. Won't hurt to try.

Posted on Apr 26, 2009

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How do you adjust linkage for transfer case

(1) Shift transfer case into 4L position. (make sure your shifter is fully in the 4L position)
(2) Raise vehicle.
(3) Loosen lock bolt on adjusting trunnion (Fig.
(4) Be sure linkage rod slides freely in trunnion.
Clean rod and apply spray lube if necessary.
(5) Verify that transfer case range lever is fully
engaged in 4L position. (you can do this under the vehicle at the transfer case)
(6) Tighten adjusting trunnion lock bolt.
(7) Lower vehicle

Basically, you are just ensuring that the position you put the lever inside the vehicle is the same position that the transfer case lever is in and then tightening the locking bolt.

Jan 27, 2016 | Cars & Trucks

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4x4 dont work

you have 4w low.. low/lock..4w high and hi lock..4w low is just a slower set of gears that gives the truck way more power for like pulling or towing in harse conditions.. 4 w hi is more for traction at hyway may have a seperate lock lever.. most do..

Jan 03, 2014 | Cars & Trucks

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I'd like to be a little more specificas far as shift pattern what we meant was the pattern for the 4x4,or transfercase. we got the truck with no shift nob indication where 2hi 4low 4hi nuetteral

easy to figure out put transfer case forward if you move easy this is high try to turn if you are in 4x4 it will pull front and rear tires pull a little more toward the seat should go into neutral pull again it will be 4 high pull one more time toward seat should be low on the older chevys you my have to be in neutral the transmission to get transfer to lock in there are only 2 wheel 4 high 4 low and neutral you will know the differance

Feb 15, 2013 | 1983 Chevrolet Silverado

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My '03 Silverado lurches and the front tires seem to hesitate when I switch from 2WD HI to 4WD HI. According to the manual I should be able to make this change at any speed, but the way it feels...

Have you ever had the transfer case serviced? There is a possibility that you have a low fluid level, but the front wheels are going to take a sec to lock in anyway. There will be a small hesitation as the transfer case shifts to 4-wheel. If this is a different type action from when you bought it then have the transfer case serviced.

Oct 12, 2011 | Cars & Trucks

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BnOur 2001 Chevy Silverado is stuck in low lock 4 wheel drive and maximum speed is 8 mph. Does the computer have to be reset or is there something else we can do. Right in the middle of hauling brush...

The problem could be a number of things from the dash switch to the encoder motor on the transfer case. Try turning the truck off for a few seconds, then turn it on - don't start it, try switching it to 4wd hi. you shoul'd hear the transfer case motor trying to switch gears., if you don't hear that then check the fuse under the hood for that system. If the fuse is good, then crawl under and see if you damaged the wires to the transfer case.
Good luck.

Apr 09, 2011 | 2001 Chevrolet Silverado 1500

1 Answer

01 Chevy Silverado 4 X 4 not working. 4WD light

Having the same exact problem but with my 1999 escalade. Thought it was the actuator bought a new one installed it transfer case would engage but front end wouldnt lock. Took it out of housing left it plugged in got a friend to go through all the 4wd for me and the plunger never moved out the actuator. Checked my wiring harness which is a four prong ann it had one hot prong like it is suppose to. Traced wires even replaced dash switch same problem. Taking it to local dealership tom to have it checked for codes. I was told it could be the transfercase actuator even though its workin that actuator is what sends power to the front to engage the actuator to lock the differential.

May 12, 2009 | 2001 Chevrolet Silverado 1500

1 Answer

2001 Silverado Keeps Blowing the 4WD Fuse

sound like electrical problem in igntion switch. check all wiring to transfer case electric motors . to the 2 to 4wd switch.

Feb 18, 2009 | 2001 Chevrolet Silverado 1500

1 Answer


your supossed to go in reverse first for a couple feet to lock it in try that

Dec 16, 2008 | 1999 Chevrolet Silverado 1500

1 Answer

1990 Suzuki Escudo 4 wheel drive

As far as I know the procedure should go something like this...

Stop the vehicle, engage the parking brake and if applicable, get out and turn the hubs on the front wheels from Free, to Lock.(You may not have these on a Suzuki, they may be auto-lockers)

Get back in the vehicle and put the transmission shift selector into Neutral.

If you have a manual transfer case, move the selector-shaft to 4x4-High, or 4x4-Low -- whichever is desired. Now, putting the vehicle in gear with the transfer case is sometimes somewhat difficult. As long as the vehicle's transmission is in neutral, don't worry, the gears inside the transfer case are big and beefy -- Don't be afraid to be rough -- Again as long as the transmission is in neutral. You may also have to disengage the parking brake and slightly let the vehicle roll forward or back with your foot-brake to get the Transfer case to lock into place.

Once 4x4 of the selected High, Or Low range is selected, usually indicated by the vehicle jerking slightly with a slightly loud clank/thud. Move the Transmission selector out of neutral into your desired gear (Drive if Automatic, if Manual, whichever gear you pull out from). and voila! You should now be in 4-Wheel-Drive.

To disengage 4-Wheel-Drive. Just reverse the steps.

May 16, 2008 | 1990 Suzuki Sidekick

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