Mercedes ML350 W164 engine fan always running and ACC not working... Fault finding and repair.
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- เผยแพร่เมื่อ 2 ต.ค. 2024
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Thank you
Hi
So, this car came with what at the started looked like 2 separate issues...
ACC not working... including no communications with the unit, and then the engine radiator fan always running on full blast...
In this case, quite simple... at least because I started on the right issue...😋
Follow me on this video to find out what was the problem and how to resolve it.
P.S. There was another issue with this car that I have never even mentioned, however, it is quite audible at one point throughout the video... comment if you know what it is... put the time stamp as well... :-)
Hope you enjoy the video.
Any questions or comments put them below.
Like always, thank you for watching!
Sometimes it's fun to find a simple fix. The fuse might have been blown if they jumped the car when the ignition was on. That makes sense. Didn't I hear a leaking injector or are my ears also getting old and I hear phantom noises? As always a nice fix Luis.
Looks like you might not have read the video description...
Regardless, well spotted!
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@@LMAutoRepairs 🙄🙄 My fault Luis. When I see you have a new video I just watch. Never thought about reading more than the headlines 😂😂. Sorry.
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no you heard blowby or something
Sometimes like you I do my best work while not working on the car. (ie. Figuring out how the system works and how I’m going to tackle it) Good approach Luis 👍👍
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Good video. What you stated at the end is very good, and makes perfect sense. A suggestion I might make is to have put an Amp clamp on that fuse and see how much current is being drawn through it. You can very the loads, do full loads like you did but, also be able to see how much current that fuse has going through it.
The main purpose here is to see if the current is close to the maximum (rated fuse amperage) with some setting, or if the fuse likely blew, as you stated, suddenly, possibly when jumped.
Once again, good video and quick diagnostic. Thank you.
Should have thought of that...😋
Thanks you...
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I have an ML w163 2002 model, i jumped started the vehicle recently due to a flat battery and then soon after the fan stop working on slow speed. The problem was a spike in current that destroyed one of the capacitors inside the fan regulator. New fan complete assembly is around £300 but if I bodge it and remove the existing fan regulator with a Volvo one all should be good or alternatively I might just replace the faulty capacitor . AC doesn't work and you get a low fluid radiator light pops up on the dash board with full speed on the fan when it warms up ( for anyone with the same issue).
Knowing me I wouldn’t bother checking the fuse and spend the next week troubleshooting it 🤣😂
We all been there...😋
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Hello there
Where can i fiind this garage ??I have a similar issue the radiator fan is going on all the time once i start the engine and the water symbol stays on ,on the dashboard
How can i contact l m auto repairs???
Hi I have E350 diesel 2016 all the blowing air cold hot is not blowing anything at all the lights are on all bot bot blowing any ??
Thanks
I can hear blowby on injector somewhere 9:47
Spot on!
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Where are u located? I need help with my SLK R170 Roof.
Question is, why did the fuse blow?
As explained in the video... is my best guess...
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I have this problem now. I changed the radio in the car for a touch screen and the car went crazy on me ESP light came on car wouldn’t go into drive the fans is in high speed and the climate control won’t turn on now all cause I changed the radio with the harness kit… I check the fuse from this video and it was blown I must of changed the radio while the ignition was on so I changed the fuse and the ESP light went off the car goes into drive now but still the fan running always and high and the climate control panel still don’t turn on… I checked all three fuse boxes for blown fuses nothing left to change I’m lost need help
I never replaced one... perhaps car needs coding to a different radio?
Of the adapter cable you used is not the correct one?
Can you communicate with the climate controls?
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Superb👍
Thanks for sharing Bro, I thought this would require programming, but even Mercedes-Benz is so forgiving sometimes that's cool😉
Stay Safe Bro👍
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I’m having similar issue but my ac compressor won’t turn on I still have lights and my fan is running way too often. Could I have the same issue?
Not really... this issue would keep it running all the time...
Scan the car, and go from there...
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Where is the Active Cruise Control (ACC) fault in this video?
ACC stands for Automatic Climate Control
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I hate when the fuse is blown ,but when you replace the blown fuse ( the short is off) your always thinking to yourself what blew that fuse ! As you say could be many reasons ...Enjoyed the Video 👍
Yes... absolutely agree...
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Hi, could you autoconfigure a replacement radio on a 2008 Laguna with the clip?
Never attempted that... can't really tell...
Sorry...
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Nice fix Luis. I was first thinking it was a sticking temp blend motor or air distribution flap motor that blew the fuse but your voltage spike theory makes tons of sense as well.
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10:08 is this OM642? I think injector leak
Spot on!
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ok
Complete nonsense. Voltage doesn't blow a fuse, current does. So you changed a fuse and it's OK again. Bodging, or what?
Yes... fuse was OK after replaced... as per the video...
Not sure what you mean with bodging though...
Thank you for watching!
@@LMAutoRepairs Bodging means not finding the fault and simply replacing a blown fuse. Maybe if you spent more time fault-finding, and less time telling us what you're drinking, you'd do better.
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How could I look for a fault that was non-existent at that time?
Look where?
Look for what?
The only thing I admittedly missed, as someone else constructively pointed it out, was clamp measure the current on that fuse, to see how close it was to the fuse rated current...
That said, the car never came back, otherwise this video wouldn't have been published or would have a follow up...
Intermittent faults are/or can be extremely difficult to find, anyone that actually works on this field knows that...
Again, thank you for watching!
@@LMAutoRepairs Why post a video of a fault you couldn't find? You obviously don't know your Volts from your Amps.
My previous coment already addressed the volts/current misunderstanding...
If that is the only think you can pick up on... then carry on...
Majority of your comments on my channel are just more of the same anyway...
If you have something constructive to say, by all means.. anything else, just don't bother, you are wasting your time and mine...
This by the way, is my last saying on this...
Have a lovely day!
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The cheapest fix ever on a Mercedes
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Nice to have a Wednesday video back on !
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Will might start to become more often... Will see...
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Good video thanks my teacher
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Thanks!
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Good evening,how r you friend Luis,i need help for one eeprom reading 93c66 Toyota yaris 2013 1.4diesel mmt model(i need eprom read for its dash) can u help me,thx
With the right tools it is a quite straight forward procedure...
What exactly are you looking for?
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I lost the eprom read by “carprog”,i was trying to change miliage but it was first time used carprog and thats it,i alyways do that function by other tools,i try alot of dumps finding on mhh or digital kaos,but don’t find the right file,now the dash car work ok ,only simbols of trasmision missing (R-N-D-E)
I need read dump 93c66 for it
I understand... but I don't have a dump for that car...
Can you not code the cluster now?
@@LMAutoRepairs i do not know if i can,I don’t believe
Great video keeping it simple
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Thanks!
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muito bom dia doutor luis.Abraco e bom trabalho
Obrigado!
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good move 🙃👍
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Good job 👍
Thanks!
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Well done 👍
Thanks!
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