I've been working on a 85 300D that sat for a decade for the last 3 months. When I bought it, I quickly discovered a freeze plug had come off under the turbo. I took the turbo and both manifolds off the car and cleaned all of it up and replace all the freeze plugs on that side.

Today I was doing final assembly and was excited to finally see the car run when I had a major setback.

I was flushing the cooling system in preparation for new coolant, when to my horror, I discovered the freeze plug behind the injection pump had also come off.

I see no other way to replace this thing without taking off the injection pump and oil filter housing.... which also means buying all new seals and gaskets... which means the car will be in my garage for the foreseeable future.

Any suggestions on the best way to proceed?

Here are some photos of my turbo and manifold restore that I am finishing up

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