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Old July 27th, 2012, 08:14 PM
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Jason Lavender
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Originally Posted by texrover View Post
Seals but also two half moon oil plugs (x2) you might check that they are seated properly at the rocker cover
That's just for the 200tdi, right? I don't think I had that on my 300.

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Old July 27th, 2012, 08:29 PM
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71 SIIA, 03 RR, 94 D90 (PO), 83 110
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Originally Posted by nathanwind

That's just for the 200tdi, right? I don't think I had that on my 300.

It's for valve gapping (the link) for 200/300 not sure about the plug present on the 300 or not. I came across it searching for the part number on the plug

But the article does state checking gaps every 12k miles and thought it would be handy

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Old August 1st, 2012, 02:02 PM
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Sooo I pulled the valve cover and the gasket seemed brand new, cleaned everything off, and re-set it on the head. Then I realized the breather valve/seperator didn't have a gasket, so I think that was the issue. Put some High Temp RTV on it and alls well.

Of course I snapped a valve cover bolt and couldnt back it out. Turning a 5 min project into a 2 hr ordeal. After driving all over looking for a metric tap set I was able to re-tap it for a M6x1.00 bolt and get the valve cover back on.

Took it for a little drive to today and its dry as a bone. I certainly think it was the breather valve that was weeping. No way could that rubber gasket that was in brand new condition have been leaking.

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