Sprinter Water Pump Repair
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- เผยแพร่เมื่อ 3 ต.ค. 2024
- 2.1 Sprinter Water Pump Repair
In this video I have a 2014 Sprinter with a code P261F. This code indicates that the coolant change over valve is stuck on or blocked. Sounds confusing doesn't it? Well I will walk you through the process of how to diagnose and repair this vehicle. At the end you will understand how this system works and how to test it without a factory scan tool. I used my Redline Detection Speed Smoke machine to verify the vacuum system was ok. Join me in this journey. Let's go check it out.
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You my friend are a life saver!!!! We're 4 hrs from the closest dealer. You just saved us a weekend and 100s!
Well I am very glad you found my video and I hope it helps. Thank you for watching.
More like thousands, lol
Awesome vid! I especially like how you smoke tested the vehicle while you were in there. Very thorough thought process! You are a true professional!
Thank you very much Bill I appreciate it. Thank you for watching.
Nice job explaining the system and step by step procedure on how to replace
You are very welcome, and this one was tricky to figure out. Thank you for watching.
best explanation, I was wondering how the vacuum system tied into the water system
So if you watch this video and listen to the explanation as to what is going on with this one and how to diagnose this and properly repair it. Basically the water pump has a diaphragm inside that is to create a blockage to heat up engine faster. well this diaphragm is actuated with vacuum, when the seal inside the water pump fails the vacuum system pulls coolant from the water pump and that is how it gets into the vacuum system. Thank you for watching.
Thank you for this video. Been struggling with this issue with an aftermarket pump on my GLK250. Just bought the genuine Mercedes pump and hope it will solve the issue.
I am happy you found the video it is a pain in the butt problem and very common. Thank you for watching.
Thank you for sharing this ... ''hard to come by information'' ... !!! My 2.1 keeps getting this P261F code after replacing wp/reservoir/cross over valve ... I did put an aftermarket pump. Thanks to you, I now know what and how to check this system. I suspect the ''ordered online" pump, but will check to confirm. Cheers and keep up the good work !!!
Thank you for watching and I am happy you came across this video to help you. Let me know if you have any questions. Good Luck.
I'm having trouble finding a crossover valve to purchase. Is it known by another name?
Congratulations for the detailed video
Thank you very much.
What a weird design, I would expect nothing less from a German design. Good video though tone if I ever come across one of these in the future I know where to come back and get good info!
Thank you Tyler. I appreciate ya watching. Yeah this cooling system is very different.
Thank you sir. You did a great job explaining something that is almost ghosted on line.
Thank you and yes you are correct there is almost no information about this and how it operates. Thank you for watching.
@NutsandBoltswithTone next question. If this is just a way to check the integrity of the water pump could we add a pump separate so that if there was a failure there would be
No risk of contamination or do you think a separate vac tank would work where the vac hoses connect Ina way that does not contaminate and possibly also add small glass fuel filter.
Fantastic video. Really helps a lot
Well I am very happy to help. Thank you for watching
Good vide as always.
Quick question if we block that hose going to the air pump will it interfere with anything?
Cuz based on your video can be very expensive cost with this vacuum hoses
Excellent video 👍👍👍
Thank you very much. I appreciate you watching.
Outstanding video
Thank you very much. I appreciate you watching
I keep watching your videos but not sprinter for long time except the fuel filter please keep pisting sprinter videos
Thank you sir
You are very welcome. I will keep them coming. Thanks for watching. Hit me up on Instagram if you need any help.
excellent work
Thank you I appreciate you watching
Did you have to remove the carrier plate to check on the O ring
on the backside, by chance? And if you did, is it difficult?
I did not and I'm not sure
6:50 would those vacuum hoses let exhaust gas or contaminating gases into the water header tank ? I’ve a 17plate sprinter losing water (no leaks ) but header tank is getting contaminated. Any help would be greatly appreciated. Thanks
No the vacuum hoses cannot cause that, the water pump failing causes this. the vacuum portion of the water pump ends up leaking coolant into the vacuum system
What scan tool are you using? Excellent video man.. well done
We have a chinese knock off Mercedes scan tool. When it works it is great, we just cannot do programming with it. But sometimes you spend a bunch of time and it does not work at all. We actually bought a new one that goes up to 2022. Thank you for watching. I appreciate it.
Hello so if i buy new pump must be with this vaccum hole or without is ok.thank you
@dariuszszwagier2522 you want the vacuum hole to be there and to be honest I had issues with aftermarket pumps and even Mercedes pumps not from Mercedes. I'm currently working with someone to help them with this problem and turns out the aftermarket pump they got is not working. They went to Mercedes and bought a water pump and should be fixing it.
Well done
Happy to help. Thanks for watching
amazing work man, im currently dealing with a P261F fault on a 2015 GLK customer had the water pump replaced less than 1 month ago, there is no coolant in the vaccum lines. trying to solve it
Make sure you test the solenoid that controls vacuum to water pump.
Hey there question what if there is no coolant in the change over valve?
Message me on Instagram
I have this code P261F I took to the dealer to do diagnostic! They want me to remplace water pump and water pump plate do you think that if I change only the water pump will work? What’s your thoughts?
Honestly I am unclear what the water pump plate is. Do you have a written estimate from dealer with parts and part numbers? If so message me on Instagram with the vehicle info and I can try to help you out. Thanks for watching.
Great video thanks ,I got the same problem on my 2014 Sprinter ,can you give me the OEM number or part number of the pump this makes my problem much more easy to solve this ,,,keep up the good work
Thank you. I do not have the part number for the pump. I would go to mercedes and give them your vin number and they will be able to sell you the right pump. But make sure you buy it from Mercedes only. Thank you for watching.
I have a question. No leaks but the actuator is on for 4 min then it shuts off then temp rises. Why would it run for so long?
Are you getting the code? If so then it could be the water pump not operating properly, could be thermostat, engine issue, etc. Thanks for watching.
@NutsandBoltswithTone I changed the thermostat and the code stopped coming on. Thanks bud!
Hi. Thank you for your video.
Need some help.
My 2014 bluetec 2.1 sprinter went to Field measure. At time of bring in for that procedure van drives with a lot of power , gears switched well no issues (355k km). After I got my van back after FM it started holding on switching the gears+ lost of power. In few days of driving DEF msg came out with 10 start remaining warning.( The tank with DEF was full. I brought the van back to dealership - they changed something related to DEF system and explained that luck of power is causing by water pump issue and gave my option to change it to get power back. I stated I need my van same condition as I brought first time and not going to pay any other repair causing by Field measure.
There ismsg from Mercedes dillership: Hi Ivan, I have been assured by my workshop foreman that once you give us the go ahead with the replacement of the defective water pump and associated contaminated valves, your vehicle will run as designed with full power.
Please let us know when you would like to bring it in.
It cost 2500$
What is your opinion on it?
Water pump is original I think needs to be renewed but never got any code of engine light.
Thank you
Sorry for your troubles, the water pump can cause problems because the vacuum system controls the egr, the waste gates for the turbos, and those can all cause issues like that. Most likely the water pump has leaked into the vacuum system. Message me on my instagram if you have any further issues. Thanks for watching.
My van had no boost in the morning for the first 3 to 5 minutes.....I "temporarily fixed" the problem by replacing the vacuum line that splits and goes to the water pump change over solenoid and to the turbo wastegate solenoid. Change it to a single line that goes directly to the wastegate solenoid. 2 weeks running with no problems and no codes
Awesome, thanks for watching
So Im a Bit Confused and of course im in the middle of a diag on one of these. Are so Saying That on a COLD Start , when Vacuum is applied to the Pump the Temparture is SUPPOSED too rise ??? or is it supposed to rise AFTER the Vacuum and Switch Valve are SHUT OFF ???
During cold start the coolant temp should not rise, until the vacuum switching valve turns off. This is to help the engine warm up faster for emissions. Once the vacuum valve turns off coolant should rise within the proper amount of time. It is actually very confusing. It took me quite a while to figure it out and understand. There is also not much info for this. The 2.1 has almost no info out there so I am working hard to get as many videos on the 2.1 as possible. I have made quite a few now. Thank you for watching. If you have any further questions message me on my instagram.
My Mercedes Sprinter came from Fed Ex fleet and after I purchased it, the water pump code came on. I purchased the OEM pump and belt with the new tensioner kit. After the Brand-new pump was installed, a week later, the same code came on. My mechanic said if coolant got sucked into the sensor from the last repair, the sensor was bad, Not the pump. What is the part number for the sensor?
I am unsure of what sensor he is talking about, there is a solenoid above the water pump that actuates the pump, there is also a vacuum reservoir on driver side of engine that gets coolant in it and can cause problems as well. From what I heard the coolant can get sucked all the way to the vacuum pump. Thank you for watching
I'm having trouble finding a "change over valve" to purchase. Does it perhaps go by another name? I'm also having trouble finding the water pump I need for my 2015 2500
Hey there and sorry you are having trouble. If you can message me on my Instagram I can try to help you out, it is much easier to message there. Send me all your info and I will see what I can do. Thank you for watching.
would a faulty vaccum on this pump case the temperature gauge to fluctuate? my car is fine for the first 45 min but after temp starting to fluctuate. I changed the thermostat but temperature drops from 90 to 80C especially after a bit of acceleration? It might be ok for a few minutes and then it goes down and up again?it drives me mad! no codes or engine management light on!
The vacuum portion of the pump is only for the engine to warm up faster. I would check the fan clutch, make sure the heat blows hot. You can message me on Instagram and I can help you out more. Thanks for watching.
@@NutsandBoltswithTonethank you! I will message on instagram
@@NutsandBoltswithTonethank you! I just messaged you on instagram
@@NutsandBoltswithToneI also noticed that every time it drops the cooling fan is on, but the car never exceeds 90c? What triggers the fan? one of the sensor built into the thermostat? it is a new genuine part from mercedes! ... snd the same as the old old one so I doubt it's faulty? Please help me 😢
Sr how you are doing? I have a question for you have you ever replaced this, Valve Cover Membrane Diaphragm Mercedes OM651 2.2 CDI 6510109118, 6510100630. crankcase ventilation system.
Hey bud, I have not replaced the diaphragm but have replaced the whole valve cover assembly. It has been a minute since I did it but I do not think Mercedes allows replacing the internals. That is why I replaced the valve cover I believe. Thank you for watching. Message me Instagram if you have any questions or need any help. Thank you for watching.
@@NutsandBoltswithTone Thank you very much for responding back, have nice date.
@@ramonmirabal101 your welcome
Hey is it possible to buy that software your using to diagnose my van
I mean you could but you would have to go on ebay or something and buy it. There are a lot of fakes out there so would be very iffy. Once you get the scan tool you have to know what to do with it so not sure if you are in that field or not. If you need some help message me on my Instagram and I can try to help you out. Thank you for watching.
Great video. I have 2015 Sprinter 2.1 engine. vault code P012800 - coolant temperature below specified threshold occurred 02/22 twice and went away. Occurred again last week and was diagnosed by MB tech with same code. Visual inspection did not show any signs of dried coolant in vacuum lines. Noticed minimal coolant loss since new but it was only detected in the last few months. any suggested causes of that vault code?
Generally a p0128 is a bad thermostat, the thermostat intermittently sticks open. Any time I get P0128 I replace thermostat as first step and almost always takes care of it. If you have any further questions message me on Instagram and I can help you. Thank you for watching.
Thanks for your response. Thermostat replacement will be first !
@Denny M keep me posted on it. Also don't put in a cheap one.
@@NutsandBoltswithTone only factory parts !
So with the coolant pump A circuit stuck on - the entire water pump needs to be replaced?- code ?
Sorry I saw your vide about 1 year ago but I forgot to ask
Dam this looks complicated
It is not too bad honestly. Make sure you get the water pump from actual Mercedes. Hit me up on Instagram if you need anything. Thanks for watching.
Dude, literally use some vice grips on the shaft of the WP pulley. No need for all that pulley holding tool nonsense.
Ok thanks. I appreciate you watching