How To Install Replace 4x4 Transfer Case Shift Motor Ford Explorer Mercury Mountaineer 95-01 1AAuto




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Richard Carrera: OK, I got the ’97 Explorer home in just 4WD Low as indicated by the 4WD Low light on the dash and the low speed. I drove it around the yard and switched the transfer case knob back and forth between auto, high, and low. Got the 4WD Low light to go out but now it won’t go into gear and has a slight grinding noise when I attempt to both put it in gear and in park. The issue started when I was driving it as if there was a gear stripped or something pulled out of place or not going into place correctly. Could this be a shift cable issue, a transfer case motor issue, a (gulp) a genuine transmission rebuild? If it is a shift cable issue, can I get one from you or do I have to go to the dealer?

ibajs2: My 4x4 was not engaging. Vacuum good, switch seemed okay too but no dash light and no 4x4. I read on a forum to tap lightly on the shift motor since they sometimes bind up and since my truck is in storage for half the year, this made sense. Sure enough 5 taps later I flip the switch and am good to go - what a quick and easy fix (and with my favourite tool!)

Richard Carrera: If the TC on a '97 Explorer with a SOHC V6 automatic transmission is stuck in 4WD low, is the shift motor to blame? I have a '99 with a good transfer case that I thought about swapping into the '97 with a $150 labor charge from the transmission shop. However, if a bad motor is why the '97 won't shift out of 4WD low, then I would rather replace the motor myself for the cost of the motor, about $80 to $100. This not only saves upfront cost but also leaves me with a new part for a common problem. Can I fix the 4WD low problem with a new motor?

Kory Kneeland: Thanks so much! I replaced the shift motor on my '97 Ranger. The wiring was less complicated (the plug had fewer wires & I only had to move one over), but without the instruction regarding the red clip I would have been scratching my head for sure. For anyone else dealing with this shift motor failing, check out www.therangerstation.com, they have a great article about it.

jeff darnell: Do you have any videos diagnosing this shift motor? I have a 2002 explorer and the motor looks identical except without the giant body mount in front of it. my 4x4 no longer works and was all of a sudden, no lights on the dash, no blown fuses. Thats why im figuring it may be this, any way to test it?

GregN: Thanks so much. It sure made it easier than guessing. I took 4 or 5 photos of the wires just to be safe in case I got the sequence wrong and drew a diagram.The tight fit made it a real pain. I cut the wires going to the old motor and got it out of the way. I did have to use a 1 1/2" extension for the bolts and a special squeeze ratchet to get the top bolt.

joe patton: My 2001 Sport trac seems like its not in 4x4 and no lights on the dash , my switch turns but i think a can rotate all the way around i think the switch is bad.. how can I test it to see if its working? or what can be the issue? Or where I can get a new switch at ? 

jd69NC: Quick question...I have a 2001 Explorer with the 4x4 selector switch. The selector lights no longer flash during engine start but, they illuminate on the dash when turned. I also hear a clunking noise on the drivers side that sounds like the axles engaging. Here's the problem, Winter Storm Pax hit and I needed 4x4 and found out that it was not engaging (rear tires spun, front tires did nothing). Different sites have posted the issues are with the switch, module, and/or transfer case motor. Can you advise which of these 3 might be my culprit?

1A Auto Parts: You may want to check the wires around the shift motor to see if they are connected the right way. You could also try to pull the codes from the computer to see what the issue may be.

stiffmyster157: Looking at a 95 ford explorer and it doesnt crapf out o 4low, would that be this motor that is out please let me know asap.

1A Auto Parts: It may be that the steering tube shifting assembly has worn out. We carry the replacement shift tubes with new bearings on our website. Here's a link to them. 1aauto.com/1A/ChassisSuspension/Ford/Explorer/1ASTC00095/374748/1995?utm_source=youtube&utm_medium=youtube&utm_campaign=1ATony

1A Auto Parts: you could test the power to the transfer case shift motor with a test light.

stiffmyster157: Well. I went over and tryed to drive it, when It switched to 2wd or 4 hi you can hear it switch or try to switch over then it acts like it's in nutural and makes grinding noise when put it in park.. but drives and shifts threw the gears in 4 low. Also has check engine light, but Idk how to check it for that year/model(95 Explorer)

Nuria1229: @1aauto how would i be albe to test it? and how would it go bad if the 4wd on my truck never was used?

1A Auto Parts: You may want to check the fluid level of the transmission fluid to see if it's at the proper level.

hectorcriss: hello there , I like very much your videos, have a question , my explorer has a weird noise, it sounds like in the front differential when I shift the 4x4 in low starts the noise like knocking something but it drives normal , when turning the wheels sounds harder , my question is , could be a problem with transfer case or it's the differential? transmission shifts smooth it's a 1996 xlt 4x4 esplorer , any coments or opinions are welcome thanks

1A Auto Parts: @Nuria1229 You may want to test the switch to see if it's working right.

1A Auto Parts: You may want to have a qualified transmission shop test the valve body on the transmission to see if there's any thing that may need to be replaced.

arturo vargas: no check engine or warning lights on what can I do

1A Auto Parts: If there's a check engine light on, you may want to have the code pulled.

Chris Brown: I have a 98 Mecury mountaineer, when i accelerate or go after a stop it gives me a knock coming from the engine! what is it?

1A Auto Parts: @dbot956 It could be the shift motor, or you may also want to check your vacuum lines to see if you have a vacuum leak in the engine compartment that may be causing it not to shift correctly. Hope this helps you out.

1A Auto Parts: @jator68 I would recommend having a mechanic take a look at it for you.

dbot956: I own a 2000 ford ranger 4x4 and when i switch to 4high i can hear it engage but when i switch to 4low nothing! Does this mean i have to replace the transfer case shift motor???

Unicyclist357: Thanks, I got it, it was in the right position, just a tight fit.

1A Auto Parts: @civicluva2001 It sounds like something may be binding up in the drive train. When you say that it won't roll backwards will the transmission go into reverse and try to roll ?

1A Auto Parts: You may want to check the level of the transmission fluid to see if it's at it's correct level. 1aauto.com 888-844-3393

brandi henson: Quick question. My 2002 ford explorer has 4x4 but its not working. all fuses are okay. the 4x4 lights in the cluster do not come on at all and when i push either of the 3 4x4 buttons nothing happens. any help please?

1A Auto Parts: The light should indicate if you are. You may also feel the front pull or grab while taking turns.

1A Auto Parts: The issue could definitely be related to the transfer case locking up. There are different gear ratios inside the transfer case when you select the 4hi and 4lo. You might want to bring it to someone to have the fully diagnose the issue.

Æ Emmanuel Æ Alcantar: Where I can get a motor?

John Riddle: i have a 1998 ford explorer my 4wd kicks in and out would you happen to know what that could be ?

1A Auto Parts: The correct transfer case shift motor for your 1998 Ford ranger is Part Number: 1AFWM00017 we carry them on our website 1aauto.com 888-844-3393

Alexander Claudio: Is there a shift motor on a 2004 explorer ltd?

1A Auto Parts: You should have the check engine light scanneg, because it should point you in a direction as to why the 4WD may not be working correctly.

Guardien2814: I've got a problem my 4wd inductor lights start flashing when I try to engage my 4wd what dous that mean any suggestions

1A Auto Parts: Thank you for your order. Have a great day. 1aauto.com 888-844-3393

1A Auto Parts: @morganlynnlovee You may want to check to see if it's that making the noise and not your fuel pump. A fuel pump that's getting tired will typically make a buzzing noise.

1A Auto Parts: @iAaronHD It could be. Also test the wire going to it to make sure that there's power to the switch.

BIGV Elkins: like

1A Auto Parts: It could be the shift motor, switch or a bad connection some where.

patrickdives: Thank you for posting this. I replaced my long faulty transfer case motor on a '93 Ranger and this guide was especially helpful for seeing how to pull the wires out of the old fitting and placing them in the new one. On my truck, 2 of the wires were taped together making it easy, then I just had to do the center wire. There was a red ring in the middle of the male plug that had to be removed. With this removed, the wires came out with some persuasion.

1A Auto Parts: @Nuria1229 if it doesn't light up, test the power to the switch with a test light. If there is power to the switch, but no power coming from it, it could be the switch that is bad.

1A Auto Parts: It should come right off for you as shown in the video.

Brandon Holmes: I would really appreciate your advice. my 2001 explorer starts and runs fine. when i rev it, it takes a while to go all the way to 4000 rpm. when its put in drive and i press the gas it stalls out. the only way itll move is if i keep the rpms at about 1300. please help

1A Auto Parts: Thanks for checking us out. Have a great day! 1aauto.com 888-844-3393

Unicyclist357: I am trying to put my shift motor back on, and it won't fit back over the triangular piece which it rotates. I have checked that they are oriented properly, do you have any suggestions? Thanks

stiffmyster157: I looked at the car today, and the 4low light stayed on when I switched it to 2wd

morganlynnlovee: would that motor cause a really loud buzzing sound??

1A Auto Parts: You may want to check the EGR valve to see if it's working correctly. Also if there's a check engine light on, pull the code to see what's causing it to go off.

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