Question about 1995 GMC Jimmy

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Does not transfer from 2 wheel drive to 4 wheel drive

Transmission does not transfer when lever is shifted from 2 wheel to 4 wheel and the light does not come on possibly due to the same problem

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The next time you shift into 4 wheel drive, try backing up alittle bit and see if it shifts in and light comes on. i have a 1995 half ton chevy pickup and thats what i have to do do to get it to lock in.

Posted on Jan 30, 2009

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My 2005 Jeep Liberty 3.7 is stuck in 4Lo and only goes to neutral, not 4Hi or 2Hi. I checked the transfer case and the cable to the shift lever is broke. How do I get it back in 2Hi so I can fix the cable!...


why not replace the cable. first.? its bad fix it, replace it.
sure you need 2h, sure, but that must be done by hand.
jack up all 4 wheels, and move the lever to 2H,
by hand, its just a lever. but you need to get stress off axles (tires off ground) so you can shift by hand. at transfer case
and forget the silly lights until you fix cable and shifting.
best is key in pockets.
transmission in neutral
tires off ground,
the transfer case shifts more easy, like that, with just fingers on lever on box. (the shifter lever has , gain, that is, Archimedes, lever advantage, with that missing, by hand is harder, see?>)
mech, 101 , answer. that.

this care came with 3 transfer cases.
if you look at the box, rear, the tag there says what you have. look.
NV231, (part time)
241gen2, part time
and 242 (full time)
we cant guess that so answers will be vague.

step 2 in the fsm, states (cable removal)
2: raise vehicle.

for sure you can shift by hand, if the box is not seized
did you check the oil level yet, (gear lube) at the filler hole?
dip finger in, get finger wet? if not , hummmmmmmm

Mar 20, 2015 | 2005 Jeep Liberty

1 Answer

What causes the upper 2 lights of the 4 wheel drive of the display sensors to blink continously even if the shift lever is engaged at 2 wheel drive?


The vehicle can't verify the transfer case position, check the positioning censor on the transfer case.

Oct 12, 2014 | Cars & Trucks

1 Answer

When I shift manual shifter from 4 wheel drive back to 2 wheel drive, truck does not want to return to 2 wheel drive. Dash light goes off as expected. No service light comes on. I did put truck in reverse...


Just to confirm, you don't have an electrical 4WD selector; you have to move a shifter on the floor of our cab? If that's the case, I'd suspect that you have a linkage misalignment or malfunction that doesn't allow the 4WD selector to completely return to the 2WD position. Putting the truck into reverse and back to drive probably causes a jolt to the 4WD linkage which disengages the transfer case from the driveline. Check for slack or binding in the transfer case shift level linkage (clean and lube the linkage won't hurt).

Oct 03, 2013 | 2006 GMC Sierra

1 Answer

Will not shift into 4-wheel drive


howdie sometimes the when shifting the transmission must be in pk or neutral to shift the 4-wheel drive was it all right the last time you drove it?look under the truck and see if there is something stuck around the shiftier does the drive-shaft turn freely ?does it have a cable or rod for shifting in to gear it might just out of line ck this

Jul 25, 2012 | 2000 Isuzu Trooper

1 Answer

I have a 2002 ford f150 xlt fx4 4.6l engine. 2 door reg cab. i have a 4 wheel drive shift lever. the 4 wheel will only engage on rare occasion and only after pulling into 4 low then to 2 high then back...


For the 2002 MY ( this is in the 2006 Section, just want to call it out to others that might find the solution, this does not apply to the 2006 MY )

Operationally vacuum shifts the front axle between 2WD and 4WD mode. The GEM ( Generic Electronics Module ) applies ground to the solenoid needed for the mode selected on the switch ( for ESOF ) or when the transfer case shift lever is moved ( MSOF ).The contact plates in the transfer case signal the GEM that the transfer case is engaged, and the Vacuum solenoids need to be activated ( either 2WD to 4WD or 4WD to 2WD ).


Lift and support the front of the truck so the front wheels are off the ground ( take safety precautions, chock wheels, jack stands, etc )
Key on, engage 4x4 and try to turn the front drive shaft.
- If it turns it is a problem with the transfer case.
- If it doesn't it is a front axle engagement problem.

- If the front drive shaft does not turn :
•With the truck running ( with front wheel back on the ground ), switch from 2WD to 4WD and back again, the vacuum shift motor should move the lever on the front axle.
{ picture of shift motor }
-- If the vacuum shift motor does not move:
1.Check for vacuum on the lines while shifting between modes. Pink vacuum line is 2WD mode, Light Blue vacuum line is 4WD.
2.Check the fuses for the 4WD system and the solenoids.
3.Check the vacuum lines from the vacuum shift motor to the solenoids on the firewall.
4.Check the vacuum lines from the solenoids to the vacuum reservoir box behind the battery.
5.Check the vacuum reservoir box for cracks.
6.Typical solution is the vacuum lines ( to the solenoids or to the vacuum shift motor ) are cracked or the vacuum shift motor has a cracked diaphragm and has water in it.
7.Could be the shift plate contacts in the transfer case are corroded / not making good contact, and not activating the solenoids.
sscullys_148.jpg

- If the front drive shaft turns:
For MSOF systems
-- Check that the shift linkage on the transfer case is moving when the lever is moved from 2W to 4H and 4L.

I am going to take a SWAG that it is 1 of 2 places, both cases the front drive shaft is locking into place.

1. The front vacuum shift motor is not moving ( vacuum or vacuum line issue ).
2. The contact plates for the shift motor are not making contact and are not signalling the GEM that the transfer case state has been changed.

I'd start with the front axle off the ground test, and see which way to go, before you start repalcing items.

Mar 27, 2011 | 2006 Ford F-150

2 Answers

I am wanting to install a transmission in a 1998 jeep wrangler se. 4.0 cyl 2.5 liter I will need to take out the old one first. I've never done it before and any help would be great


Instructions vary depending upon if its a stick or automatic transmission. Your best bet if you haven't ever done anything like that is to get yourself a chilton or haynes manual. Both have text and pictures to help with the job. With hanynes, you may need the transmission manual instead of the regular repair one if its an automatic...check the contents before you buy it.
When doing an automatic, it's advisable to remove the crank sensor from the bellhousing as often they get damaged accidentally when working in there. If you need to remove the flywheel, make sure you mark it's position so you can put it back exactly the same way it was installed.
Make sure you have a flat solid area to work on. Transmissions need to be supported so notheing get's damaged. To do that, you need a place where you can move a jack easily. If you need to work on dirt etc, buy a sheet of 5/8" plywood to put underneath.

Mar 25, 2011 | 1998 Jeep Wrangler

3 Answers

I CAN NOT SHIFT THR TRANS INTO NUTRAL SO I CAN TOW IT BEHIND MY MOTOR HOME. IT WILL SHIFT INTO 2H, 4H, 4L


Shifting to NEUTRAL
To shift the transfer case to NEUTRAL, first make sure
the vehicle is parked so that it will not roll:
1. Set the parking brake.
2. Start the vehicle.
3. Connect the vehicle to the towing vehicle.
4. Put the transmission in NEUTRAL (N) or have
the clutch pedal pressed for vehicles with
manual transmission.
5. Shift the transfer case to 2HI.
6. Simultaneously press and hold the 2HI and
4LO buttons for 10 seconds. The red NEUTRAL
light will come on when the transfer case shift to
NEUTRAL is complete.
7. Shift the transmission to REVERSE (R) for one
second, then shift the transmission to DRIVE (D)
for one second or FIRST (1) for vehicles with
manual transmission.
8. Turn the ignition to OFF.
9. Place the transmission shift lever in PARK (P) or
FIRST (1) for vehicles with manual transmission.
10. Release the parking brake prior to towing.

************************

Shifting Out of NEUTRAL
To shift out of NEUTRAL:
1. Set the parking brake and apply the regular
brake pedal.
2. Start the vehicle with the transmission in PARK (P)
or FIRST (1) for vehicles with manual transmission.
3. Press the button for the desired transfer case position
(2HI, 4HI, AUTO 4WD or 4LO).
4. Put the transmission in NEUTRAL (N) or press the
clutch pedal for vehicles with manual transmission.
5. Shift the transmission lever to the desired position.
After the transfer case has shifted out of NEUTRAL,
the red light will go out.
6. A re-engagement sound is normal when shifting out
of NEUTRAL.

Jan 22, 2010 | 2000 GMC Jimmy

1 Answer

How to shift into 4wd


Ford has 2 types of 4x4 system engagement. One is a knob on the dash that you just turn to 4wheel drive high or low. The other system is the 4x4 transfer case shift on the transmission tunnel (hump) between the driver and passenger seats. To shift into 4 wheel drive high while driving, just let off the gas and shift transfer case into 4H position, and continue driving. To shift into 4 wheel drive Low, stop the vehicle completely, put transmission in neutral, shift transfer case into 4Low position, put trans. in gear, and start driving. I am assuming before doing the above, you have locked in ( turned the front hubs to 4 wheel drive position.) Any further questions, let me know.

May 16, 2009 | 2003 Ford F150 Regular Cab

1 Answer

Noise in front diff


Three probable issues;
1-The transfer case is low or out of fluid.
2-The drive shaft may be out of alignment due to worn front or back U joints (thus the clunk on shift)
3-the shift lever is out of alignment with the shift mechanism on the transmission housing.

Mar 26, 2009 | 1989 Chevrolet K1500

2 Answers

2001 Dodge Durango stuck in 4 wheel-Low. Won't switch back to 2WD


Just to clarify, the "transmission" is not stuck in 4-Lo. It is the "transfer case" that is attached to the transmission that actually engages the 4-Hi and 4-Lo modes. To properly shift your vehicle into 4-Lo, you know that you have to shift the transmission into neutral and slow down to less than 5 mph. Once your vehicle slows down to this range, your can switch your transfer case into 4-Lo mode. Due to the inner workings of the transfer case, the actual shift into 4-Lo may take a few seconds to complete. This is normal and does not signify that there is an issue. All transfer cases that have 4-Lo mode will act this way regardless of the make or model. To make a long story short, to shift out of 4-Lo you must follow the same steps that you took to shift into 4-Lo, just in reverse order. Switch the transfer case to 4-Lo mode if it isn't already there. Slow down to less than 5 mph (your vehicle must be moving, though). Then, shift your car into 4-Hi or 2WD. Give your vehicle several seconds to complete the shift. The transfer case indicator light will flash until it is complete. When it does complete the shift into the new gear mode, you will most likely hear a "clunk" (the range sleeve inside the transfer case disengages from its mating spline) from under your car. Again, any transfer case with 4-Lo (regardless of make or model) will exhibit this same noise. This should help you get out of 4-Lo. It is good practice to shift your car into and out of 4-Lo at least a few times each year to keep all of the splines free of corrosion and build-up. Based on the age of your vehicle, your transfer case may also need a complete flush and some new transmission fluid. Hope this helps.

Feb 22, 2009 | 2001 Dodge Durango

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