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  #16  
Old 10-22-2016, 12:31 PM
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Location: Greater Metropolitan Beaverdam VA
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The Report

O.K. guys;

Round trip a total of 58 miles including about 10 miles of Interstate a 70 to 80 mph.
No visible oil leak anywhere around gasket.
Torque had loosened slightly (by about 2 lb/ft.) as expected from heat cycling. Retorqued to 10 lb/ft.

Note:
Did not resurface anything. Did not use any sealer or assembly grease. Gasket installed dry. Used copper washers but I will replace with wave washers when I find them.

My advice is still: Buy OE Mercedes gasket and don't muck about with resurfacing or chemical sealers.
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  #17  
Old 10-22-2016, 12:40 PM
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Location: Wilmington, NC by the Atlantic ocean
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Next time I have a cam cover off I'll take a look at that. I didn't notice the step (red spots in your illustration) but I can't say you're wrong. Interesting discussion.

Dan
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  #18  
Old 10-22-2016, 12:45 PM
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Dan- The red spots are only to highlight the contact points, they aren't a physical feature, in case I wasn't clear on that.

Just to be clear on my stance in regards to the OP:

I don't have any problem with an OEM gasket or the advice to use it. There doesn't seem to be an aftermarket gasket that doesn't start to crack immediately, so if OEM stays crack-free that's good. If it seals better, that's good.

I am opposed to resurfacing the bottom of the cover, unless one is going to take great care to also dress the stud contact points to make sure the cover can still go down far enough to seal.

But stud hole deformation isn't the fault of the gasket, OEM or not, so that's a separate issue that I am in favor of correcting.

-Rog
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  #19  
Old 10-22-2016, 12:59 PM
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I'm with the Racoon.

Using the oem gasket cleared-up all of the leakage problems I was having with aftermarket (Victor Reinz) gaskets.

One more instance of you get what you pay for.
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  #20  
Old 06-12-2018, 12:35 AM
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Since the link to my diagram is gone and my post is too old to edit, here it is again:



-Rog
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  #21  
Old 06-12-2018, 10:00 AM
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Anyone know the size of wave washer that is required? I have to go to grainger to pick something else up, and I figure they're probably the best place to find some passivated/played ones.
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1981 240D (73K)
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1998 Chevrolet S-10 ZR2 (62K)
2011 BMW 135i cv (14k)
2014 Honda Odyssey (6k)
2015 Honda Accord Hybrid (5k)
Had:
2008 VW Rabbit (70k)
2004 SAAB 9-3 (83k)
1991 BMW 318i (183K)
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  #22  
Old 06-16-2018, 07:13 PM
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Amazon has nice M8 yellow zinc wave washers. I bought a bag and have tons even after adding to two cars.

Figuring I'll give these a try to keep more even compression. I don't have any leaks really but this seems like a good idea.

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Own:
1981 240D (73K)
1982 300CD (162k)
1998 Chevrolet S-10 ZR2 (62K)
2011 BMW 135i cv (14k)
2014 Honda Odyssey (6k)
2015 Honda Accord Hybrid (5k)
Had:
2008 VW Rabbit (70k)
2004 SAAB 9-3 (83k)
1991 BMW 318i (183K)
1983 300D (228K) (wrecked by at-fault uninsured driver)
1985 300D (233K) (now in FL)
1994 Acura Integra (188k) (Rusted out)
1992 Toyota 4Runner (72k) (Rusted out)
1990 Daihatsu Rocky (??) (No parts)
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