Question about 1996 Chevrolet Tahoe

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Getting the transfer case to lock in but the front wheel/drive isnt locking in, i have a manual and it doesnt explain to me why it isnt locking in like it should

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There is a electronic sensor on the front axle that could be bad or the sensor on the transfer case is bad and not sending the mesage to the front axle that it is locking in.

Posted on Jan 01, 2009


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I have a 2006 f350. Ford will not go into 4wheel

Which 4X4 system does yours have ?
Four-Wheel Drive Systems The mechanical-shift 4-wheel drive system consists of the following components:
  • Transfer case (For transfer case repair procedures, refer to Section 308-07B ).
  • Transfer case shift lever
  • Manual locking hubs
  • 4x4 indicators
  • Shift linkage (hub locks)
The electronic-shift, 4-wheel drive system consists of the following components:
  • Transfer case (For transfer case repair procedures, refer to Section 308-07B ).
  • Four-wheel drive (4WD) control module (For 4WD control module installation, refer to 4WD control module in this section.)
  • Mode select switch (MSS)
  • Gearmotor encoder assembly
  • Automatic locking hubs (hub locks)
  • Pulse vacuum hub lock (PVH) solenoid and vacuum lines

Jan 11, 2018 | Ford Cars & Trucks

1 Answer

4 wheel drive will not switch from 4 high 4x4 to 2 wheel drive

on dirt? off road or on the road (pavement)

on ice?

do say what the tires are touching. we cant see you drive.

this car has parttime 4wd, its not AWD nor full time 4wd.

sorry, its PT. and the rules for PT always apply.

Part time is not for dry ice free pavement, at all.

if you do this, it winds up the drive line and causes the gears to lock. and worse.

the lost operators guide explained all that.

and needs to back up to unlock the front axle locks.

one more pain.

4WD S model, which used manual hubs, get out and turn dial.

so if doing all this wrong, on dry ice free pavement???

move car to shoulder that has dirt ./sand or gravel on 1 or 2 right wheels, then shift out of 4wd to 2H

or damage the transfer case you will.

like this guy did.

turn steering only slightly off center to get to curb, or it gets worse.

symptoms of bad drivers.....using 4wd, PT.

steers gard

funny sounds (of death)

gears lock up in transfer case or even in the manual trans.

or far worse.

May 10, 2015 | 1995 Isuzu Rodeo

3 Answers

99 Ford F-150 won't go into 4wheel drive I looked undernieth and front drive shaft is not turning

Someone will have to go under and check the linkage is working when the 4 wheel drive is fully engaged and not just moved to a neutral position.

Dec 04, 2014 | Ford Cars & Trucks

3 Answers

Need to know steps involved to disconnect transfer case from transmission so that I can still drive my Yukon

best bet is junkyard replacement. worst case. remove tc and get a longer driveshaft to the rear end

Jun 29, 2017 | 2001 GMC Yukon

1 Answer

97 chevy 4x4 not working

Sorry no idea here without as look to see whats wrong ,could very well be a electric solonoid switch that locks up a dog clutch but 4x4 is not something i do very often .Most i see are permanant 4x4 isnt this truck permanant rear wheel drive anyway and you lock in the front diff by means of a solonoid or a cable

Apr 08, 2012 | Cars & Trucks

1 Answer

My 89 chevy s-10 pickup 4 wheel drive doesnt work. the transfer case goes into gear but the front hubs seem like they dont lock in i was told it was a fuse or a vaccuum line but i have never heard of...

On the 1989 s10 it has a vacuum actuator that actually locks the front differential in ,you need to check that first, those go bad real often,and without it. There's no way it will lock in the axle, the transfer case will lock in ,but the front differential uses a actuator. It 's located under the battery tray and there is a cable towards the front of the differential. Id say the actuator cable has gone out, most parts stores can get you one ,that what goes wrong with those 99% of the time and it only takes about 5 minutes to change it out. Good luck but check the vacuum line to the actuator under the battery tray.

Nov 16, 2009 | 1989 Chevrolet S-10 Blazer

2 Answers

Is it right for your front drive shaft to turn by hand when in park

i'm assuming you have a 4 wheel drive. If that is the case then yes cause when your in two wheel drive mode the front is in neutral

Oct 16, 2009 | 1999 Chevrolet Silverado 1500

2 Answers

Transfer case locks into low gear but front wheels do not pull

You have to have your front hubs locked in for four-wheel drive to work

Jun 10, 2009 | 1992 Jeep Wrangler

1 Answer

Transfer Case not locking in

you need to take it to a garage ,put it on a hoist , start it up ,put it in drive ,put it in 4x4 and see if front drive shaft spins,if it is and the front wheels are not it is most likely the plastic thing on the passenger side of the front axle. This is what locks in the front axle to the drive shaft. If the drive shaft isnt spinning then it is a problem with the transfer case.

Apr 22, 2009 | 2001 Chevrolet Silverado 1500

2 Answers


Its your transfer case behind the trany.its going bad.i have the same problem get one at junk yards for 150-200 wants 1200 dollars for a new one.Good luck.

Jul 22, 2008 | 1994 Subaru Legacy Outdoor

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