Four Wheel Drive in Your Ford Truck or SUV Not Working? We Help You Quickly Solve This Problem

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If the 4 Wheel Drive selection in your Ford truck or SUV isn't working, there are a few things you will want to check out! In this video Cristian explains the common failure points in the Ford 4WD system ranging from the simple, like the selector switch, all the way to the differential internals! Check out this video to learn more about the parts that get your SUV or truck driving with all four wheels!
0:00 Four Wheel Drive in Your Ford Truck or SUV Not Working? We Help You Quickly Solve This Problem
1:18 The 4WD Selector Switch
5:38 Transfer Case Motor
7:10 4WD Actuator Vacuum Solenoids
12:07 Differential Vacuum Actuator
16:13 Differential Collar Fork
17:33 SUBSCRIBE! | Shop 1AAuto.com Link Below!
🔧 List of tools used:
• Multimeter 1aau.to/ok/1AXA...
• Vacuum Tester
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Check out our playlist:
Driveway Diagnostics!: • Driveway Diagnostics!
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⚠ DISCLAIMER:
While 1A Auto strives to make the information provided in this video as accurate as possible, it makes no claims, promises, or guarantees about the accuracy, completeness or applicability of the content. No information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. All do-it-yourself projects entail some risk. It is the sole responsibility of the viewer to assume this risk. 1A Auto is not responsible or liable for any loss damage (including, but not limited to, actual, consequential, or punitive), liability, claim, or any other injury or cause related to or resulting from any information posted in this video.

[@1AAuto]

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[@kkunkel8]

I had a 2004 4x4 sport track that wouldn't go into 4x4. I ended up selling it without fixing that but your video is very helpful overall. Now I just need to keep my 2015 F150 4x4 healthy ;)

[@danielvega1933]

Exelente exposición yo tengo un Ranger de 2004 y ya no me engancha adecuadamente la 4x4 a hora ya tengo un punto de partida para explicar a mi mecánico. Muchas gracias.

[@HiTechDiver]

When checking the vacuum actuator, with the actuator removed, couldn't you leave the vacuum hoses connected and watch the shaft move in an out, while switching back and forth from two wheel to four wheel drive?

[@octaviusthecrafter]

Thanks for this video. This is exactly what I needed, it is also the same truck I have which is really nice. Thanks.

[@mplscarsales6652]

Very great video of going through the 4x4 system 5 stars ⭐️ ⭐️ ⭐️ ⭐️ ⭐️ On this video keep the hands on videos coming !

[@user-yd8xb8vx9j]

Can you help me diagnose my 04 Chevy Silverado 4 x 4?

[@timothypitts5795]

I have a 2005 f150 and the 4wd suddenly stopped working. Swapped the solenoid (only has 1) not that, swapped the shift motor, not that, checked the switch for resistance after watching this and getting .64 in 2wd, around .36 in 4h and .1ish in 4L Looks like the switch is the culprit. Giing to tey and source one tomorrow and see!

[@GeneralSulla]

Arr you guys reading my mind or something? Have I been Googled? This was my question yesterday. Winter soon.

[@oldgamer1330]

You missed a couple of other things that are needed, at least for the 2001 model but I think it would be the same and that is that you need to have your foot on the brake peddle and it needs to be in Neutral, so those switches also need testing because nothing will happen if they don't work.

[@Byrtie21]

Is 6 volts on the harness ok? I noticed at 3:27 that you had almost 12. Could that mean I have old worn out wiring?

[@rickmorgan211]

I have 2017 Ford F-350 Platinum 6.7 powerstroke When I manually lock hubs, front axles turn,but not driveshaft -here transfer case motor coming on,but still no 4wheel drive

[@timothypitts5795]

Would the resistance on my 2005 be the same as what you indicated in the video?

[@jimmieboling2697]

Ok. I have a 2009 F-150. I don't have a switch. It has a lever. But will not engage 4 wheel drive. Will everything else be the same on checking it other than the switch and selector motor on the transfer case?

[@user-xf5bq4hx2j]

I have all-wheel drive is there a video for that

[@charlesc9148]

What if it's a fuse?

[@robertlovato6873]

I have only 4.7 voltage to switch any suggestions where to look?

[@Methodical2]

Nice

[@10malabdullah10]

Excellent.

[@gregg3987]

Awesome walk through diagnosis.

[@jaimegaribay78]

I have a question. If the front 4x4 differential is working properly, should both front tires be locked and spinning at the same time or is it a limited slip type of spin. I ask because the last time I took my 2003 Ford Explore 4.6 4x4 XLT, I got stuck in the sand and notice on both Hi and Low 4x4, only one front tire spun. Both front tires were not spinning at the same time. If I remember correctly, when I pressed 4x4 high, only the front right tire spun and when I pressed 4x4 low, only the left front spun. Please help.

[@1AAuto]

+@jaimegaribay78 We wouldn't be able to diagnose an issue like that here, you may want to have a local mechanic take a look at it. Thanks for checking us out! 1aau.to/m/Shop-1AAuto-c

[@raneyhester5243]

How can you see anything with the Spanish all over the screen!

[@oldgamer1330]

No vacuum on an Explorer.

[@kenj.8897]

Boy that was some silver slury comeing out and f the diff .

[@disrael9928]

Chevy cruze

[@Solo-_-..]

👍🏿