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DIY How to test 4WD vacuum actuator
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- เผยแพร่เมื่อ 24 พ.ค. 2017
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In this video I show how the 4X4 actuator works and how to test it
Disclaimer:
Due to factors beyond the control of Oz Mechanics, I cannot guarantee against improper use or unauthorized modifications of this information. Oz Mechanics assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. Use this information at your own risk. Oz Mechanics recommends safe practices when working on vehicles and or with tools seen or implied in this video. Due to factors beyond the control of Oz Mechanics, no information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. Any injury, damage, or loss that may result from improper use of these tools, equipment, or from the information contained in this video is the sole responsibility of the user and not Oz Mechanics.
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**Want to own the tools I use ?? Click on the amazon link below to get my top 5 Tools I use**
Automotive Test Light- amzn.to/3z1Pdxa
Flexible Backprobe- amzn.to/3Pyr3zO
Multimeter- amzn.to/3PbuT23
OBD Scan Tool- amzn.to/3zaNWnq
Wire Piercing Probe- amzn.to/3OecWhT
Keep up the great work! Love how you show how the 4x4 engages and disengages. Never realized it was something so simple. Thank you
Thanks for the simple but thorough video. This is just what I needed to see.
This video saved me many and I mean many of dollars. I just replaced my whole front end and I ended up with a noise on the passenger side. Come to find out once i got on the highway the rim on the drivers side had cut thru the hose that went to the actuator. I was just to the point of taking the axle out and starting over until I saw your video. Thank you very much!!!!
My 4x4 is intermittent, but this video is actually a great help. Thanks brother.
Excellent explanation of system with great visuals Concise and to the point. Wish all diys videos were this way.
Appreciate it! Picked up a vacuum gauge from harbor freight, tested my system and came down to the right front actuator. When I tore it down the actuator was cracked and came apart in two pieces.
Replaced it and no issues.👍 again awesome video! Thanks.
No problem glad this video helped out.
Basic simple and straight to the point. My guy.
Great video bud. Glad somebody has knowledge to share. Really appreciate the video. I’ve been having trouble diagnosing trouble with my Explorer. Pretty cool how it works in all.
Thanks for a great demonstration
Thanks for the lessons. I was wondering how that worked. A lot of Hard Liners call these aluminum actuators junk. I had one instance with mine (2003 Expedition ) driving across Missouri trailering a 67 Ford Fairlane. It was 90+ degrees F. and I never had been one to drive the speed limit. All of a sudden it sounded like the front of the drive train exploded. I stopped for a few minutes to evaluate the situation, never finding anything wrong. Later when I returned to Ohio I hashed it out with my FMC mechanic, next door neighbor. He said that condensate or moisture probably got hot enough to pull an actuator engagement without a vacuum presence. We pulled the lines and tested them, blew them out. It has never done it again but I guarantee it will scare the crap out of one if it should occur with them !
Agree this is the worst design ever for 4x4
Great video, I am having issues with my expedition 4 wd and these are some great points to get me started diagnosing
I have another video that explains each component in detail
Same problem on my 2004 f150. Very informative. Thank you!
Dude great video , my 17 3.5 f150 has been making grinding/rock in wheel noises for a couple weeks now , I’m convinced this is the issue and we’ll be in the shop this week!
You got it fixed?
Life saver. Beautiful thorough work. Thank you sir.
Adonis Muminovic well thank you for watching. Makes me feel good knowing you like this video
Very informative, I learnt something new today. Keep up the good work.
@@sailorsanjoy thanks for watching
Great video and explaining how it works. Thank you so much.
I have another with more information
Thanks bro, very infomative👍
Great info....thanks for sharing!
very informative......great work 👍🏻🔧
Such an awesome video, thanks!
I can't believe that chinsey little actuator is strong enough to power the truck in 4 wheel drive.
707SonomaComa thank you. Yea one powerful lil thing
It just needs to create a vacuum in a relatively small chamber. Would be nice if they fail safe into 2wd. My 2001 doe snot have this. Pretty clever though
Great showmanship
Awesome and two the point explanation and testing! Thank you!
Thanks for watching Michael. I actually made a newer video that explains every part on the 4x4 system to the T !
Great work! Big help!
If you feel like this video helped out, feel free to support the channel by donating. Just one click away on the link below, to help support the channel :)
www.paypal.me/ozmechanics
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you are one hell of a mechanic man
Thanks. I just put out a new video that just came out yesterday more in depth on the 4x4
I wish they were all still manual engage.
Very helpful my friend. Thanks
Bro awesome video. Quick and full of info.
Julian B I’m about to put a new video that explains the system a bit better
Very helpful! Thanks !
a lot of help for me thanks very good
Great stuff brother!
Great info , Thanks
Super helpful
Great video. Just had my actuator and CV axle replaced and now a nasty grinding noise has started. So, we changed the wheel hub thinking it was the wheel bearing. Well, that was not it and the grinding still persists. When in 4wd, no grinding. So, I replaced the solenoid behind the battery. Still grinding noise. I think there is a leak in the vacuum line. Hopefully I can find it!
Came here looking for possible reason why my 4wd was not working on one wheel. Thank you, after watching your explanation I will check for possible vacuum or hose problems. How did I find out my 4wd wasnt working? By going on the soft sand at the beach and having to dig my way out as the tide was coming in what seemed like a whole lot quicker than normal. Six hrs of shovel in one hand, torch in the other, bits of wood scavenged around, forward reverse foward reverse inching my way outta there. Wanted to get rid of my ute right there, letting me down like that. My arms and legs really felt it the next couple days. Moral is check 4wd all go before you need it.
Great video! Thankyou!
Great video, thank you very well done
Good work there
Carlos Martínez thanks for watching
Awesome. Thank u. I need to figure out why my 4x4 not engaging. The transfer case motor not switching.
Great video help tons
Great job man thanks,
Graet info. Thank you!!
Gracias, I did not know there was a hub actuator, only under the cabin... on the right side for Terracan.. THX
great video.thanks
Great video👍
Great info, thank you
great video thank you!
Good explanation! thanks!
SLLS693 RGR thank you very much for watching
Super helpful thanks 🙏
Awesome info, thank you. Now I need a vacuum pump.
Mike D awesome. It’s an easy test. And don’t forget to subscribe and hit the notification bell to get info on all my new videos
Hey bro nice video but why haven't you answer some of your subscribes you are a great guy you should make your ppl happy also keep it up but try responding to everyone good luck
Awesome instructional video! Subscribed.
James A Summers awesome. Glad you liked the video. Btw I put a newer video explaining all the parts in the circuit
@@OzMechanics Yes! I watched that one first, then this one after you referred to it. Both were great!
Great video thanks Peter
Thanks for watching. I also have another video showing more in depth on this system
Thanks brother good info
Great video thanks!!
Thanks for watching
Good video thanks
Great video really going to help me.
I made another video that’s more detailed the link should be on that video
great explanation, thx.
engnrman thank you for watching
great explanation 👏 I subscribe and 👍🏻
Nice to know!!!
Your hot
I have this problem right now where my iwe isnt working and its causimg a grinding noise. I didnt know what it was at first, I thought it was the bearing, but now I'm pretty sure its this. Thank you 👍
logan watson yea let me know if this is the problem on your vehicle. Don’t forget to subscribe and hit the notification bell
Ppl
Moomoomoo[
great video☺☺☺☺🚗
Nyar Nomit thank you for watching
Holy crap a mechanic that actually knows what the hell hes talking about???? 😳😳it almost doesn’t exist anymore or at least here in fla! Buddy if your seeing this message I’ll fly you to fla to fix my vehicles just message me back!!!!!
Derek Smith thanks man. But they are out there. I know a good amount of really good techs around the us. Thanks for watching
Interesting. Thanks.
Very informative
Thanks for watching Kevin. Feel free to check out my other video going deeper into how the system works. Look up oz mechanics 4 wheel drive
Thank you
Save me $200 in diagnostic charges from the Ford dealership. Thanks for the detailed troubleshooting video on the Ford IWE 4X4 system.
exelente video
Great Video! I have a 2003 ford expedition 5.4l 4X4. I found a free floating line on the driver side just under the brake cylinder, Track said line back to the 4WD vacuum actuator. two lines go in to thet actuator. One runs to the solenoid (the one that you are pulling vacuum on in video). Is the other line (the free floater) a vent line? or should it hook to something. thanks mike
Great, thanks.
Thx. I have replaced the vac line from solenoid to actuators, same problem, replaced actuators, same problem, replaced solenoid and problem seems intermittent now. Im gonna check each acuator as youve shown, maybe I have a bad one, they came from dealer though. Thoughts?
Great job enjoyed your work ...
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thanks
Thank you !!!!!!
A lot easier than my 3/4 ton Excursion hubs to work on.
I had a vacume line rubbed through on the tire . Then filled with mud . Plugged line right up .. the little black and white mushroom looking thing by selanoid was plugged .. i ran a long line from selaniod to hub . Lines were plugged .
j'ai gagnée ma vie en pratiquent de la mécanique(50 ans), et je recommencerais,le plus beau métier.
Many thanks for the clarification,
How can I test the hoses without air pump.
get an air pump
Great video and I’m sorry to bother but I have a clunking noise when I’m in 4x4 as I’m moving it clunks... and stops than clunks again as if it’s on the same spot as the wheel turns. Know what it could be ? And thanks
I have a 2015 and busted the clip from the harness to the solenoid too. Thought it was funny that 10 years go by and shit still breaks in the same spots.
Thanks.
tnanks for showhow 4x4 actuators work very helpful.
My 4WD is not engaging. When I start the truck and cycle the switch I can feel the vacuum is getting to the actuator but it does not seem to be the same on both sides. Maybe a partially plugged line? So I purchased a test kit to check that the vacuum. Do you know what it should be? I suspect one of my actuators it not working. I would guess if only one was working it would be the same as not having 4WD? I also bought a vacuum pump so I can test each actuator following your steps. I think between the two tests I should be able to narrow it down. It does not seem to me then solenoid is the issue based on the symptoms. If only one actuator is bad is there any reason to change them both In YO? Great video. I should be able to figure it out now.
I checked all my vacuum just like you did. It's all good but the actuators still grind, there is also a weird noise coming from the front diff!
3 yrs late but I would replace the solenoid
Nice guy thanks
Thanks Joe
Mine is not engaging.but also in the dashboard i don't c the light when i turn the switch on 4x4. It coul be the transfer case motor.do someone knows how to test a transfer case motor?
I have a mitsubishi nativa 2007 diesel and when i riding in normal mode no 4x4 its make some grinding noise and when i stop it cliks like it went to his place back, do think is the selenoid? I have no idea where to look or how it looks like
I had this issue on my 2013 f150. Passenger side IWE does not disengage. Vacuum signal seems to be ok. Although I have no way to accurately test it, However testing it with the tip of my finger it feels pretty much the same as drivers side, which disengages ok, I thought of a faulty IWE, Replaced it and still is not dissngeaging. Any suggestion of what could be going wrong.
Hi, I have 2004 f-150. Why would be the reason when I put the switch to 4h, the light comes on for a second and goes off. But if I put 4low the light comes on and stays on ?
When there's no more vacuum in the actuator where does the pressure go to release is it the second little tube coming out of the actuator the small line mine seems a little lazy when I shut it off when it's jacked up I spent it in the tire click and then finally it grabs like there's wherever the vacuum goes back to release is clogged or something
I changed out my actuators, solenoid and check valve on 2014 xlt f150. Problem is I'm still getting a grinding noise when in 4wd but only when I accelerate above 1500rpm, how fast I'm going doesn't seem to be an issue. No grinding noise when in 2wd so I know the vacuum system is ok. What should I check next. Wish i Would've found this video before I changed everything out could've saved alot of time and money.
Hey man any advice on why my vacuum line is only sucking air on the passenger side and not the drivers side? I replaced the lines thinking there was a clog but still no suction on drivers side hub
I have an 04 Ford F150 and when I had to truck jacked up and in 4x4 HI the driver's side wheel turns with the axle but the passenger side does not. Would it be that the actuator is bad on the passenger side?
Excellent video!
what happens if you disconnect the vacuum hose from the solenoid and left the actuators engaged with the hubs permanently?
your cvc axles will turn with the wheel all the time causing you more vibration and less gas mileage.
@@aaronhorsman1396 So it would be like installing those IWE eliminators?b
Great question I was wondering also if it would cause any damage
Ok so would this work if I turn my truck on. Leave it in park. Jack it up and turn the hub. If it doesn’t move than the vacuum and everything is working. And if it does than clearly is there is a problem correct!? And leaving it in 2H of course
So what causes the humming noise if I already changed wheel hub
A tiny inline check valve fails a lot also. It's in vacuum line on passenger side engine compartment
Yep just dealt with one not too long ago
What if It struggles to engage in 4x4 but if you can get it to it revs up and clunks?
Can I delete the vacuum system and do a manual hub?
Can you ruin your transfer case if one of the hoses comes off the hub bearing assembly?
What’s the name of the tool you are using? I’m pretty sure I have vacuum leak in my 4wd system.
Thanks