Mercedes W163 ML430 oil cooler leak. How to replace the seals on the oil cooler!
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- Опубліковано 22 сер 2024
- Mercedes W163 ML430 oil cooler leak. How to replace the seals on the oil cooler!
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We took this video to show you how to replace the oil cooler seals on a mercedes ML430. It is very common leak for this model. They often start leaking after about 100,000 miles. The seals are not expensive. Less than $10 but could save you a new engine. They could develop very big leak.
W163 oil cooler leak.
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Great vid. I did this on my '99 W210 E55 (same for all M113 and M112 engines) This video is cool, but an added tip, if you unscrew the oil filter so air can get past, the oil drains out of the filter housing, back down into the engine. Then when you separate the oil cooler from the filter housing, no oil spills. Also to home mechanics be very very careful with the four bolts holding the cooler to the housing! Easy to drop, easy to cross thread! Finally, my o rings were so old the bottom round one came out in three pieces! My mileage is 204,500 miles roughly 440000km. Also there is a small cover on the timing cover just above the Accessory drive belt tensioner, which is a good source of leaks (mine leaked at 180000 milmes. There is also a gasket at the base of the oil filter housing which can also present an oil leak in a similar way. These leaks are hard to track as the oil hits the belt and gets flung all over the engine bay :-D
1000% right the previous owner / person who worked on the car Cross threaded one of the bolts on the cooler!
Wow that sucks. Did you have to replace the filter housing too?
Gday from Aus boys, great vids. Straight to the point without the bullshit. Even as a mechanic myself, it really saves a lot of time to see HOW multiple vehicle are bolted together by the factories worldwide. Time equals $$$. Especially a leak like this... which looks like the front lefthand cam cover gasket when you 1st look..... and sometimes when you see the oil on the ground pouring out you shit yourself and thinks its the front main seal. Cheers guys.
I admire you. Your English is excellent. And you know what you are doing with the W163.
Thanks for this post as well, will save me wasted time trying to verify the procedure to fix. Much appreciated. :)
+K GK Thank you! We are glad to hear that the video was helpful. Hopefully you can find other helpful videos on our channel. If you ever need help with your vehicle let us know you can also find us on Our Official Facebook Page here: facebook.com/worldmechanicsofficialpage/?fref=ts
Awesome video! Please show us how to replace Mercedes W163 Front and Rear lower ball joints.
Appreciate it. Just changed a lower radiator hose that split. I added 2 containers of coolant. Now it's all but gone. No visible leaks. Any idea where it's going?
hello,i have water in the oil engine, can caused from this?
Great filming!
MrEdgarallanPoe Thank you!
Thank you for your video, it is very helpful for me. May I know the part number of that two seals oil cooler for W163?
hi great vid. i recently replaced the seals but ive noticed its been leaking from the same spot as before.What do you think might be the issue? maybe i didnt tighten up the bolts enough or do i have to replace the whole housing? thanx
+KING ESO There is another seal as well. It is on the bottom of the oil filter housing. If you remove the oil filter you can see there is a big nut. If you remove it there is a seal underneath the housing
Cost me $40 bucks from advance auto for both gaskets!!! But thanks for the vid to show me what I needed to do!!!!
+Mickeevn Robinson We are glad that the video was helpful. If you ever need help with your vehicle let us know you can also find us on Our Official Facebook Page here: facebook.com/worldmechanicsofficialpage/?fref=ts
Maybe a call to MB to check their price would be in order. I'm sure aftermarket prices for parts is often less, but I got all 3 seals (2 oil cooler and 1 filter neck gasket) for $40 plus tax from my local (california no less) MB dealer.
Hello , I did change the oil coolant seal but still leaking front the same spot I dont know is because I bought aftermarket seal or when you do the job you need to change many other more I'll really appreciate it your information I need to fix it I'm really far from home and I need to fix it because I lost a lot of many in putting oil , thanks youn
Great video, thanks eversomuch. my question is how much coolant drains out, and should I drain the expansion tank first? I have a method using a turkey baster to suck that reservoir dry.
Never mind, I watched the video more carefuly, and no coolant leaks out. Sorry.
you have to change also the pressure port seal where is the bigger leak
Hi, Great video. Have you ever seen it leak below the oil filter. Im buying the seal kit now, debating whether
i should change the large seal below the oil filter. My belt is so wet with oil that it has been slipping off. Too messy to see where its coming from. I know I need a 46mm socket to remove the oil filter housing to get under it, any thoughts? Also should I replace the square timing cover and gasket? Mines an ML55 but same lay out. Thanks
Jenny M If you have the whole kit I will recommend to replace the square timing cover, the big ring and the two on the cooler. I actually replaced the seal on the timing cover today. I ordered the 46mm socket online and I will replace the big seal. All my seatls were hard as plastic. I would suggest to replace them all. If your belt is really wet then it is most likely the two seals on the cooler
Thank you so much for your help, will do!
Nice...Thx
i have problem on my mercedes ,i found oil in coolant system ,i checked the engine oil there is no water in there ,i thought its radiator problrm i change it and still there is oil going into coolant the car doesnt get over heat and i have no idea whats wrong ,,is there any possiblity that the engine oil coolers leaking oil into coolant ?
Did you find out the problem?
Thank you, this helped a lot!
I was driving I made a turn and heard a pop under the hood engine stalled so checked Engine and oil was all around oil cooler Has not started since mechanic said it was the gasket on oil cooler is this possible?
Awesome video I have question, recently my 99 mercedes ml 320 gushed out all of its motor oil, once I opened the hood I notice all this motor oil all over the engine like if it exploded, do you guys know what it might be ? Please help, thanks
Yeah this issue right here will do it like that if gasket totally fails.
Did you find out what happens?
I have 2003 s55 .is this the same engine? because my is leaking the whole belt is Wed and kinda greasy too any ideas please...
+Alejandro Yanez Basically it is almost the same engine. If you have noticed oil on your bet then most likely it is from the oil cooler seals. It is very week spot on Mercedes with over 120K miles or 12+ years. How many miles are on your s55?
It Has 92xxmiles I did wash engine today and looks that is leaking from there. ......
Super
جميل
Hi, My cooler has a crack. I bought a new one is it simple to install?
Jay Stargroove all you will need to do is remove the bolts that hold it to the oil filter housing and unhook the hoses. It is not complicated at all.
World Mechanics Thank you.
Does anyone have the oil cooler gasket part numbers used? Thanks in advance
i have problem on my mercedes ,i found oil in coolant system ,i checked the engine oil there is no water in there ,i thought its radiator problrm i change it and still there is oil going into coolant the car doesnt get over heat and i have no idea whats wrong ,,is there any possiblity that the engine oil coolers leaking oil into coolant ? plz help me
:(
I have the same problem. I hope someone answers this question.
What model?
same problem,oil in water reservoir,no water in oil,oil cooler gasket..is it??????
👍
This guy is Kermit the frog ?
No EDM today??