M102 has a single row chain. You should measure chain stretch, at
least roughly. It may or may not need to be replaced.
If you nee a chain, I have a new chain and tensioner that I will
make you a deal on. Ended up selling the car before I got the new chain in.
Are you using dino oil or M1? M1 might quiet things down some.
As was cited before, be sure to use Knecht or Hengst filters. An
inferior filter could allow oil to drain out, where the OE filter might not.
Your filter is not much bigger than the oil filter on a BMW /5
motorcycle engine, so it does not hold a lot of oil.
At 11:36 AM 7/17/2009, you wrote:
Hello Wilton, Curt, Tyler, and any lurkers
Thank all of you for your interest.
Wilton, your time lag seems like mine. You don't apparently have
noises, and I do. The noises are not big except after a real road
trip - it seems as if things really drain dry after a stop when the
oil is as hot as it gets on the highway.
My oil filter has a long bolt through the middle with no pipe, no
hole, no spear, and no o-rings. Bolt has threads on the bottom and
accepts a sealing washer on the top. The filter housing drains
essentially dry when filter removed.
Curt - the noises go away when the oil pressure comes up, for which
Gott sie Dank.
Tyler - I hope to avoid an experience like yours. I'm sure you
understand why. But I do have a spare engine that's supposed to be
good with 106K miles on it.
I have read that one ought to replace the timing components
"somewhere between 150,000 miles and 200,000 miles." I suppose I
ought to overhaul the timing components with my 156,000 miles and
strange noises. As best I can tell, if the timing chain lets go,
I'm likely to need that spare engine.
Best regards to all
Robert
>Message: 6
>Date: Thu, 16 Jul 2009 16:46:16 -0400
>From: "WILTON" <wilt...@nc.rr.com>
>Subject: Re: [MBZ] Will the real expert on oiling system of Engine 102
> please stand up? Time lag
>
>Just started my '87 300D for first time today; 28 hours since I
shut it down
>yesterday; 'best I could tell, it took about 4 seconds for oil pressure to
>go to 3 bar after start and at idle. I'll try that and the '91
350SDL again
>tomorrow. 'Think this has been mentioned before - if your oil filter
>canister is the type with the small pipe down through the middle of the
>filter, next time you change oil and filter, be sure to put new little
>O-rings (2 on mine) on that center pipe and make sure the little
hole in the
>side of the pipe near the top of the pipe is clear and air/oil can flow
>freely through the little hole and down the pipe.
>
>Wilton
>From: Curt Raymond <curtlud...@yahoo.com>
>Subject: Re: [MBZ] Will the real expert on oiling system of Engine 102
> please stand up? Time lag
>Do the noises go away as soon as the pressure comes up?
>
>When you first described the problem I figured it was just normal,
my 240D seems slow but on my car its more like 2-3 seconds with no
real scary noises, 5 seconds with noises is wrong.
>
>I don't have any 102 engine experience per-say and apparently the
oil filter arrangement is different than the OM6xx since on those
the filter cap has a big spear down through the filter. The spear
has 2 rubber o-rings and when they get old and hard the pressure is
slow to rise. If you didn't absolutely know the o-rings weren't
there I'd still give a check for them, wipe down the spear thing
(assuming your car has one) and look for grooves near the last 1/4
of the spear, there should be o rings on them. The o rings do not
come with the oil filter, you have to order them separately.
>
>-Curt
>Date: Thu, 16 Jul 2009 13:52:36 -0700
>From: tyler <casi...@usermail.com>
>Subject: Re: [MBZ] Will the real expert on oiling system of Engine 102
> please stand up? Time lag
>
>I had an M110 powered car that made noises like that once. I got my
>stethoscope out to see where the noise was coming from, and revved it a
>little bit to make the noise louder. Suddenly the motor stopped dead
>from 2,000 rpm and a few pounds of aluminum chunks fell onto the ground
>under the engine. I sold the car for $200 (twice what I paid) and never
>found out what it was... That was my first and last gasoline powered
>Mercedes.
>
>Tyler
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Loren Faeth
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