Very Helpful & a lot of good tips. Performed the repair this afternoon on a 05 SLK 350. Shop wanted $1,986 for repair (wanted to replace everything they touched - didn't want to touch the gasket but entire assembly as well). I was able to do for less than $35 (Gasket for $7.50, a quart of oil $10 , a can of PS fluid $11, and 1.5L of coolant concentrate $5) - with your excellent video I saved about $1,950! A Couple of slight modifications. (1) Drained the power steering reservoir down with manual vacuum pump (I suppose one could use a turkey baster as well) . No mess & Got a partial PS fluid refresh out of the process. (2) End up not needing to completely remove power steering reservoir as that horseshoe clip looked to be a pickle. After removing the three screws was able to rotate the reservoir so I could get the lower screws. (3) Removing the upper radiator hose facilitated the process greatly - nice to have out of the way. Was sort of by accident as I was going to drain down the coolant but when I went to turn the plastic draincock at the bottom of the radiator the lower half of the plastic assembly simply fell away into my hand but fortunately the upper half remained sealed. A common issue I see after some research - so I removed the upper hose at the thermostat housing the bleed some coolant off - easy enough & after fighting with the flopping house a bit I removed the hose at the radiator as well and set over to the reservoir (left the reservoir hose attached).

Very nice vid. Easy to see what's going on - and especially a great tip about venting the oil filter housing to minimise mess and loss of oil! I did this job on my '98 E55. The oil cooler is the other side of the filter housing and coolant comes in to the cooler via hoses and oil ways are sealed with O-rings, it's a lot harder to work with than the later design you were working with, but all the principles are the same

Ive just done this job on my 07 chrysler 300c which has the 3.0 v6 diesel merc engine and the oil cooler is right at the bottom of the engine wich you have to go in from the top taking everything off... you are so lucky where its placed!

Another great video !! 2 years ago I watched your clk350 intake video It was SPOT ON !!!!! perfect

Thanks again Boss! I'm gonna use this video to help replace my gasket in my 2006 e350 wagon!

I did it without taking the power steering resevoir. All you need is an extension to take oil cooler bolts off and it's comes off easy in 5 minutes.

Great job, although I also recommend fully taking off the PS Reservoir. I know many comments ask if the oil cooler can be removed without messing with the PS Reservoir, but in reality, everyone replacing the oil cooler seal should be removing the P Reservoir at the same time and replacing the leaky seal held on by the C clip. It leaks around the same time, just that the o ring seal is not easily inspected due to location. So it should be encouraged to be replaced not discouraged due to its difficulty. Matter of when, not will it...

About to do this on an OM648 engine - instructions I have say to fully drain coolant first but other videos I have seen say not to? I would think that as long as the system is de-pressurised I don't have to but would leave to know.

Mi amigo. Desde Puerto Rico. Feliz Navidad🎄

Keith I actually discovered on mine the oil was leaking through one of the metal layers or fins stacked and I guess welded or sealed together. Right on the bottom. Are you recovered? I hope you are better.

Hey brotha do i have to empty out all the oil in the vehicle in order for me to take off the oil cooler . Just asking kuz i just got an oil change and im not sure if oil will spill everywhere ones i take off the cooler

Thanx for the information. Very educational.....I woul like to see a oil cooler leak in a Mercedes W221, V6, 320cdi in you style of teaching...

hi do you know if the c220cdi w202 has an oil cooler gasket...

Do you have a video that show how to replace the oil filter housing and oil cooler?

Just ised this video to guide me on the repair, excellent tutorial.

Very nice video!

Love these videos. Your repairs have saved me serious $$$ on the GLK 350 engine : )

Hi. I have .5 liter water in my oil after ten kilometers , but the engine runs perfect . Head gasket or oil cooler . There is a slight oil in the cooler reservoir, the car wasn’t overheating . Thanks for you reply.

Over night my 2008 ml350 is burning oil. Any ideas as to what caused this problem? 100,000 miles but this isn't a gradual problem. Smoke during cold engine start up and acceleration after stopping

Thanks alot coach 👍🌹

Amazing channel, great resource! Am I a fool to not do the oil filter housing gasket as well? Looks as if all I have is the cooler leaking. Seapage all around where it meets the ofh. Dripped on the front of ofh as well as top of belt tensioner and top of ac compressor, so seems straight down. Back & top of ofh is clean, just unsure of an area where it meets the engine block if these things fail together

Did you remove the oil and coolant to do this or not needed ?

my oil filter housing is ozzing oil very slowy it doesnt leek to the floor but i saw its dripped down the whole front engine should i just replace the whole thing including the oil cooler has well ?

how are you ? I have a question for you, do you have to drain the antifreeze?

Hi Keith, I would like to do the maintenance on my OM642 engine crankcase vent valve part # 6420101791, can you tell me how this valve differs from the one you have a video on, next at what mileage do you recommend this service should be done ?

Great videos. Helped me save thousands. I have a question that the dealership couldn’t even answer. Would this affect the cooling system? My coolant keeps disappearing. No leaks. Just not coming back to bottle. Returns when the cap on cooler tank filler is taken off. Would the oil cooler be the culprit?

Fantastic video.

I have learned so much about my 2009 ML350 from your videos. Thank you. I have a rattle noise when I start up the engine. I read online it is often the o ring for the oil pan pump. Can you confirm this and do you have a video on how to diy?

good man ,looker from uk on all merc ml jobs.

Amazing sir 👍

HEY there , when you remove the power steering reservoir , does a lot of fluid come out and it’s easy ? I am about to do it tmrrw . Thanks

I have a oil leak at the in the oil cooler area and spits a little some times. Mechanics say to change whole part

Do we need to replace the power steering o ring

What about the other oil cooler gasket under the intake

Q. Did you just put the power steering reservoir off to the side still connected? I want to avoid disconnecting it as I hear bleeding it is diffuclt.

Best way to remove the power steering reservoir retaining clip is with a pick. Best way to install it is with a medium side pry bar .

I changed mines a month ago and it’s still leaking any ideas I was thinking I gotta change the cooler?

1. How many mileson this car? 2. How do you bleed the power steering resevoir?

Keith.. I have a question... how can you tell if you need to replace the Oil Cooler or just the gasket?

Hi what made you diagnose the oil cooler needed changing thanks

Hi! iRepair Autos! Just one question, why did you just change the gasket and get the same oil cooler? I have an e270 w211 already changed the oil cooler twice, but still the car continues to mix water with oil, but I never changed the gasket, is my problem there in the gasket? Thank you

What does this oil cooler do?

Hi I need help I have Mercedes CLS 350 I always get oil in the water tank I did change the seal of the oil cooler but is still the same

why are you changing the gasket on the oil cooler? I dont see any leaks in that area?

Did you refill oil and coolant liquids after changing the gasket ?

Thanks, just notice my w211 has a leak coming from top of AC compressor and oil cool is the source.

Thank you so much man

Do you need to really take the power steering out

Do you have any videos of replacing the oil cooler altogether on a Volvo xc90?

Hey do you know if the 190d have oil cooler

Nice Job. But question. I have an E220 CDI W211, Oil is mixing with Coolant. Is it straight forward guarantee to replace the oil cooler plus it's Gasket or can I replace its gasket and monitor?

Are you draining the PS reservoir before you remove it?

Hi there my friend., Why does gaskets go bad ?!

You should do both gaskets, when one is leaking the other one is also leaking.

Which engine? Have you drained the coolant or oil before?

What is the rubber plug on the bell housing for?

Wat yr an kind of car?

How to take the pin/ ring out? inorder to remove the power steering fluid reservoir. Thank you

Thanks

i believe that there is one gasket on the botton of the oil filter housing. You should change that as well.

nice video

What is the tools that you use to do this job.

Nice job bro

What was the vehicle doing

Did you have to top off any oil or coolant after this?

Thx

Excellent. Thanks

My car is leaking coolant from the bottom driver side.. my expansion tank has like light brown substance in it.. not milky it’s very light you can see straight threw it.. I changed thermostat, hose and got a new expansion tank.. any suggestions?

Is it possible to do it without removing the power steering reservoir?

Brother how to replace the belt on 2009 E350

Dear In my car there is some oil mixed with radiator water* what that could be?

Cool

hi repair autos ..i have problem with my car mercedes benz c240 model 2001 w203 ..when i opened the cover of coolant water i found the oil inside it ..some one said to me change the oil coolant ..help me pro to fix it ...and what can i do to cleaning the water from oil and return the car as before step by step --thanks alot my brother

Thanks Keith. Oil cooler leaked on my belt tensioner a ruined it. Fixed now. I have a question if you dont mind. I have a chatter on cold starts on my 2008 272. It lasts a few seconds, longer when colder out. I believe its the cam adjuster/phaser. Left side of motor, behind the intake cam magnet. The chatter goes away car runs great. No codes yet, is this a common problem? Could it be the magnet itself? Thanks. Here is a video. kzfaq.info/get/bejne/qceGnquc2Ze5Y2w.html

Are you a Bahamian?, because your accent is "dead on."

Why does he whisper. Wtf

Thanks