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I am in the process of removing the cylinder head of my 1992 190E 2.6. It was leaking coolant. I almost have it off except what I believe is one more step. How do I remove the facing forward pin that goes through the cam chain guide on the drivers side on the lower part of the head? The MB dealer that did the leak down test said that the head gasket is dried (12 year old car) not blown. Would anyone recommend that I take it to a machine shop and have it checked out anyway to see if it is warped?

Thank You,
Mike Cihlar
Stillwater, Minnesota
1992 190E 2.6
1993 300D 2.5 Turbo
 

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Removing the head

I would expect that the pin is the same type that goes through the rails on the 4 cylinder 102 engine and V8 106/107 engines of the same era.

There is a special slide hammer that MB use, but it can be done as below.

The centre of the pin is threaded, so you need to find a long bolt that fits the thread.

Next wind a nut onto the bolt right down to the end followed by a big washer.

Next find a socket or similar that is just wider than the pin so that it can be drawn up throught it.

Put the bolt through the socket and screw it into the pin.

When it is screwed in a good way, wind the nut up aginst the socket and tighten it with a spanner.

As you tighten it, the pin should begin to draw out up inside the socket.
 
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