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  #1  
Old 10-10-2003, 11:01 PM
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Timing Chain Cover Seal Replacement

My 96' E320 DOHC straight 6 motor is seeping oil at the upper timing chain cover and needs a seal replacement. I would like to know how to go about removing the cover and replacing the seal. There also may be some suggestions a tech can recommend on applying the sealant to the cover. Any info would be appreciated.

Rich

1996 Silver E320 26K miles
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  #2  
Old 10-10-2003, 11:24 PM
JetForeman
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Removal and Installation of Timing Case Cover.

Here's a breakdown of what you'll encounter. Also there's a TSB on this issue that may or may not apply to you. I would check to see if Mercedes might cover it on a goodwill bases due to your low mileage. It's TSB DDAF01 30-U-4043DU dated 02-10-98.
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  #3  
Old 10-10-2003, 11:26 PM
JetForeman
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ok, let's try the pic again
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Timing Chain Cover Seal Replacement-42403128.gif  
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  #4  
Old 10-11-2003, 02:50 AM
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I did a cover off timing chain oil pump chain on the Euro 420 engine in my SE there is no gasket used on that engine it is a meatal to metal fit I used a non harding air craft sealant similar to permatex. It's a time consuming job.........
William Rogers......
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  #5  
Old 12-12-2003, 03:56 PM
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Lightbulb more on selant

I'm about to pop the timing cover of my 190E off myself, I just ordered all the parts I will be replacing but I need some help picking out the best selant for the metal-to-metal parts.

I got Canadian Tire right around the corner and they have a variety of non-hardenning silicone sealnats, would something like this be okay?

I got another one for cooling system gaskets, but this is a bit of a different story.

xp
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  #6  
Old 12-12-2003, 04:53 PM
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FWIW,

I just had a head gasket done plus all the other stuff usually done at the same time. My indie said that the best sealant he found for this was the one used by Toyota.

glenmore
1991 300CE
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  #7  
Old 12-12-2003, 08:29 PM
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A company called McKanica makes a black silicone sealant that works very well, much like the Mercedes black sealant, but a lot less money, about $12.

It can be used in applications up to 500 degrees.

Haasman
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  #8  
Old 12-13-2003, 03:24 AM
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I sure would not use any silicone sealant on any cover or part that contains engine oil such as a front cover valve cover ect.There have been a lot of engines ruined by small bits of silicone pluging up oil pasages in main and rod bearings

check an MB shop manual or call dealer,my CD recomends aircraft sealant similar to permatex, non harding permatex put on in a thin coat on both the cover and block and left till tacky before assembling should work with proper toqure specs........

William Rogers.........
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  #9  
Old 12-13-2003, 01:35 PM
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That's exactly what I didn't like abut silicone. I got the part number for the MB selant, I'll get it on monday. Just picked up all the parts I will be needing today, but didn't have time to ask about that since I was on my way to work.

Thanx guys, that's just what I needed to hear

xp
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  #10  
Old 12-13-2003, 02:17 PM
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Here is a shot of what it looks like torn down.
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