Coolant in oil
02-11-2018, 01:44 AM
#26
MBWorld Fanatic!
Thread Starter
He called me late yesterday afternoon so I'm going to go Monday and talk to him and take a look. I don't see how the whole thing could be bad especially if it is leaking from the top, which is the most likely area if the cap is bad or something. I'd assume that's more common.
But I hope your problem is resolved. That took a lot of patience and I think I personally would have lost my mind.
But I hope your problem is resolved. That took a lot of patience and I think I personally would have lost my mind.
02-11-2018, 01:48 AM
#27
MBWorld Fanatic!
Thread Starter
Update:
So, it's been 2 drives ever since we put everything pack together and there are no milky stuff on the oil cap nor a coolant leak yet. I believe we have fully solved the problem. That took a lot of patience, but I'm glad it's over. This whole engine-out-engine-in along with the replacement of the timing cover, the seals, and the water pump cost me $330 in total: $152 in labour and the rest in parts but the $150 I paid last week needs to be counted to which was the unneeded head gasket replacement. Anyway, it's all over now.
One problem that popped up is that the coolant level warning kept showing up and it would disappear once the sensor is removed from the reservoir while still being connected. We tried another sensor and the same thing happened. As if there's something inside the coolant reservoir causing this. Mind you the coolant reservoir is a year old at most. Any thoughts?
So, it's been 2 drives ever since we put everything pack together and there are no milky stuff on the oil cap nor a coolant leak yet. I believe we have fully solved the problem. That took a lot of patience, but I'm glad it's over. This whole engine-out-engine-in along with the replacement of the timing cover, the seals, and the water pump cost me $330 in total: $152 in labour and the rest in parts but the $150 I paid last week needs to be counted to which was the unneeded head gasket replacement. Anyway, it's all over now.
One problem that popped up is that the coolant level warning kept showing up and it would disappear once the sensor is removed from the reservoir while still being connected. We tried another sensor and the same thing happened. As if there's something inside the coolant reservoir causing this. Mind you the coolant reservoir is a year old at most. Any thoughts?
06-30-2018, 03:56 PM
#28
You got some great prices for all that work.
06-30-2018, 04:49 PM
#29
MBWorld Fanatic!
Thread Starter
So was that o ring there before the cover was removed? Or just for the picture? And yeah what a great engineered idea that was, just brilliant, Mercedes out did themselves on that design. And wow, goes to show you how inexpensive the parts really are for these cars. So what is the rate of pay for mechanics there?
You got some great prices for all that work.
You got some great prices for all that work.
Labour in Lebanon is cheap. Can't remember the labor rate only without looking at my Excel sheet but the whole thing costs me $324 including a new water pump (parts and labour).
07-01-2018, 07:27 PM
#30
"ENGINEERING" what can I say? And just wow $8. for the stinking O ring? Lets see cost of manufacturing millions of those a day if they wanted to make that many would be likely under a penny a piece.
And thank you for the whole thread here, I saw a cover off an MB engine a year ago and thought I remembered O rings behind that front cover. Also it was my thought that a lot of the head gaskets being blamed for coolant diluting the oil could be caused by those O rings. This whole thread verifies that assumption. In my studies of some of the MB, V type engines, I have not been impressed with the thought process that the engineering team took with a lot of different areas of them. It is obvious they were designing an expensive throwaway engine. In my opinion.
And thank you for the whole thread here, I saw a cover off an MB engine a year ago and thought I remembered O rings behind that front cover. Also it was my thought that a lot of the head gaskets being blamed for coolant diluting the oil could be caused by those O rings. This whole thread verifies that assumption. In my studies of some of the MB, V type engines, I have not been impressed with the thought process that the engineering team took with a lot of different areas of them. It is obvious they were designing an expensive throwaway engine. In my opinion.
09-26-2018, 02:57 PM
#31
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2001 E320 Wagon, 2001 E430, 2005 CLK320 Cabriolet
One more broken O ring case.
This happens to my wife's 98 M112 engine, approx 125K miles. Losing coolant and rising oil level, mayonnaise in the cap.
Brought it to a Mercedes shop, he does not want to tackle it, maybe he think it is not worth it.
After thinking about it for a while for a last ditch effort, I decided to remove the coolant pump, and check the two coolant passages in the front cover.
One of the O ring has a small broken piece poking out, found the smoking gun!
look into how to deal with R&R the front cover, it is a difficult job and I'm not equipped to tackle it.
So I use JB weld WaterWeld patty to patch over the coolant passage (rough up the passage so the JB weld can stick) and cover up the whole O ring.
It reduced the diameter of the passage a little. But after several month of daily driving, it still holds and the engine is happy with normal coolant temp.
Filler cap is clean, no more mayonnaise.
My finger is crossed.
This happens to my wife's 98 M112 engine, approx 125K miles. Losing coolant and rising oil level, mayonnaise in the cap.
Brought it to a Mercedes shop, he does not want to tackle it, maybe he think it is not worth it.
After thinking about it for a while for a last ditch effort, I decided to remove the coolant pump, and check the two coolant passages in the front cover.
One of the O ring has a small broken piece poking out, found the smoking gun!
look into how to deal with R&R the front cover, it is a difficult job and I'm not equipped to tackle it.
So I use JB weld WaterWeld patty to patch over the coolant passage (rough up the passage so the JB weld can stick) and cover up the whole O ring.
It reduced the diameter of the passage a little. But after several month of daily driving, it still holds and the engine is happy with normal coolant temp.
Filler cap is clean, no more mayonnaise.
My finger is crossed.
09-26-2018, 03:03 PM
#32
MBWorld Fanatic!
Thread Starter
One more broken O ring case.
This happens to my wife's 98 M112 engine, approx 125K miles. Losing coolant and rising oil level, mayonnaise in the cap.
Brought it to a Mercedes shop, he does not want to tackle it, maybe he think it is not worth it.
After thinking about it for a while for a last ditch effort, I decided to remove the coolant pump, and check the two coolant passages in the front cover.
One of the O ring has a small broken piece poking out, found the smoking gun!
look into how to deal with R&R the front cover, it is a difficult job and I'm not equipped to tackle it.
So I use JB weld WaterWeld patty to patch over the coolant passage (rough up the passage so the JB weld can stick) and cover up the whole O ring.
It reduced the diameter of the passage a little. But after several month of daily driving, it still holds and the engine is happy with normal coolant temp.
Filler cap is clean, no more mayonnaise.
My finger is crossed.
This happens to my wife's 98 M112 engine, approx 125K miles. Losing coolant and rising oil level, mayonnaise in the cap.
Brought it to a Mercedes shop, he does not want to tackle it, maybe he think it is not worth it.
After thinking about it for a while for a last ditch effort, I decided to remove the coolant pump, and check the two coolant passages in the front cover.
One of the O ring has a small broken piece poking out, found the smoking gun!
look into how to deal with R&R the front cover, it is a difficult job and I'm not equipped to tackle it.
So I use JB weld WaterWeld patty to patch over the coolant passage (rough up the passage so the JB weld can stick) and cover up the whole O ring.
It reduced the diameter of the passage a little. But after several month of daily driving, it still holds and the engine is happy with normal coolant temp.
Filler cap is clean, no more mayonnaise.
My finger is crossed.
