Ok, sorry
The SDL is the only one I ever did "in situ." It smoked on startup
and had high oil consumption. After I did the new seals and chain,
and switched it to M1, the oil consumption dropped to about the same
as a new engine, and the smoking stopped. I used to lay a navy-type
smoke screen with it before that.
All other times, I put on seals as part of "doing the head."
I knew all that I was asking Glenn why on his car specifically...
I've never had an MB I thought they'd get me anything on. My 190Ds
don't give appreciable smoke or smell at idle, my 240Ds both did but
were about the same and on par with other 240Ds I've seen. My '85
190D had 310,000 but had had some valve work at some point I think...
-Curt
Date: Sun, 6 Mar 2011 21:01:51 -0600
From: Dieselhead <126die...@gmail.com>
To: Mercedes Discussion List <mercedes@okiebenz.com>
Subject: Re: [MBZ] valve stem seals replacement
Message-ID: <a0624080ac999f9e41710@[192.168.1.51]>
Content-Type: text/plain; charset="us-ascii" ; format="flowed"
Why?
After 25-30 years, the rubber gets rotten
After 20-30 years and 200-400K miles, they are worn out. When the
turbo is running, , it may be true that the small pressure boost may
help prevent oil loss, but how much time does your engine spend with
the turbo not at full boost/low boost/no boost?
It will cut smoking
It will lower oil consumption
On my high mile SDL, the only major things I did was a new timing
chain and I replaced the valve seals at 315K M/L.
So why are you doing it?
Marshall claimed there was no need on diesels but there were folks
on here (Dave M?) who claimed it was required...
-Curt
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