RAM 4WD SERV Failure - Easy Fix
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- เผยแพร่เมื่อ 3 ส.ค. 2024
- How to fix the RAM 4WD SERV failure. Easily replace the 4WD actuator yourself and save hundred of $$$ from what the dealer will charge. All you need is the replacement part and the part numbers are in the video.
#RAM #Cummins #4WD
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Thank you for your timely video. My 4wd service light went on today after a short trip last weekend, but I had a different problem instead of the actuator itself. We have ground squirrels always running around our house and my two dogs always seem to chase them under our vehicles. They were chasing one as we returned and I did not notice that it ran under the truck to get away. One of the dogs chased it up into the motor bay and apparently chewed the actuator harness to get to it. Thanks to the video I started with your advise and immediately found the problem and repaired it fairly quickly. This is the second vehicle we've had this happen to, the first had so much damage that I traded it off. I will use a .22 rifle again to make a more permanent repair
Excellent! Glad I could help and I like your more permanent repair :)
Thank you for the very imformative series! I will be replacing mine as well! God bless and happy camping!
You are welcome, good luck with your repair and thank you for watching.
Thank you for the video. Mine did this a few weeks ago while I was towing my RV, and I was 6 hours from home. I was in a panic as there was no dealership around for a very long way. At my next stop, I shut the engine off and when I came back the light was off. I have put hundreds and hundreds of more miles on it, mostly towing my trailer, and it has not come back on. I'm at least relieved to know what is causing the light to come on, but now I know it won't leave me stranded. This was also a common failure point on the YJ Wranglers, although their biggest problem was the actuator was vacuum driven. When the TJ Wrangler came out in 1997, they had done away with the CAD actuator and it was simply a solid axle which spun the transfer case all the time, so I'm pretty confident the actuator here won't cause any major issues if it fails. I'm also happy that it is something I can fix myself because I doubt this is going to fall under the powertrain warranty, and I have over 60,000 miles on my truck.
Glad my video was useful and good luck with your truck. Please subscribe if you can.
I can't find the video friend @@LandingZoneHome
Thank You very much Sir. My 3500 did this @ 200000
Glad it helped.
Thank you for sharing… this video has been very helpful 🙏🏼
I am very glad to hear that. Hope you can subscribe.
Thank you very much for your input
You are very welcome.
Would you recommend aftermarket over OEM? My issue is similar. The service 4wd only comes on when I try to shift into it but goes out shortly there after.
Two OEMs failed for me and I'm on a aftermarket part now. So I don't know yet know which is better. Thanks for watching.
A brand new 2024 ram 2500 with 2500 miles on it mine is doing it now
sorry to hear it but you are under warranty.
This is a case of "Use it, or lose it!" You admit that you have only used your 4WD once, in many thousands of miles. That's your problem. If you don't engage 4WD over a very long time, dirt builds up on the actuator, and fluids inside settle out and get bogged down. Gummy actuators fail to engage. The solution, if you're lucky: Get your car warmed up by driving it for fifteen minutes, or so. Along the way, towards the end of your drive, switch into neutral, on the side of the road, and try to switch into 4WD Low. If that only gives you the blinking light, drive on. Pull over, repeat the preceding. After a few times, you will find that you can now switch into all three 4WD modes. That has never failed, for me I'm at 43,000 miles on my 2020 Ram, 1500 Diesel. I've had the problem twice, and beaten it, both times. When I remember to switch into 4WD once a week, I never have any problems. Yeah, use it, or lose it!
Thanks for the tip.
I have a 2012 3500 ram 6.7 4 wheel service light is on
I think you know your options after watching the videos. Good luck.
when you said jacked up the right side, could you clarify, passenger side or driver side?
Sorry, that is the passenger or curb side in the U.S.
@@LandingZoneHome Thanks for getting back to me. You were right, it was super easy and I lost virtually no oil. Unfortunately, the truck still won't start and the SERV 4WD light is still illuminated. Any other thoughts? I'm dreading a starter replacement. It's in a tough spot. It does click when I turn the key, but the SERV 4WD light being on still is throwing me off that idea.
@@bobgang8700 I would bet that once the vehicle cranks the SERV 4WD light will go out. I didin't have to clear the code it just went out once the vehicle was cranked. Good luck.
@@LandingZoneHome Therein lies the problem, no crank whatsoever. It won't even take a jump. Really stumped.
@@bobgang8700 It could be as simple as bad batteries.
Where is the actuator located?
Front axel on the passenger side of the differential. Thanks for watching.
What if it was red when it came
&
I don't know, RAM customer service just said if yellow keep driving. Thanks for your question, sorry I don't have a better answer.
I assume it happened because you never used it.
Haha, good one. :)