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1983 300D (magnesium brown)
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252 Posts
Discussion Starter #1
I see from previous posts that the plug in in front of starter, but can't see on my car, even after I took off air cleaner body. Do I need to get under the car to get access to the plug? Do I need to take off compressor?... If you please could post how you take it off, very much appreciated!
 

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300SD
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11,191 Posts
The answer is yes - you have to crawl under the car, on jackstands with the right front wheel removed to get access to the plug. I am thinking about draining my '85 300D block because I am about to replace the radiator. I can see something like sealant paste under the plug. I have not tried to break it loose yet, but it may be very difficult, if not impossible, without heating it with a torch.

And no, you do not need to remove the turbo to get to the plug. It would be way too much work.

I tried removing the block drain plug on my '95 Nissan pickup and could not break the plug lose without risking breaking it. I do not want to do that. I wonder if this is going to be the same thing.
 

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Premium Member
2003 CL600
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472 Posts
I was able to get at mine from under the car. Then, once I got the bolt started, I'd crawl out and use an extension from up top to get it the rest of the way off -- that way avoiding a face full of hot coolant. I read all sorts of horror stories about how hard it would be to remove, but mine came out fairly easily.
 

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1985 300 turbodiesel
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102 Posts
I was only able to find the bolt from underneath, by laying on my back behind the right front tire and looking up, bout halfway down the engine. However, once youve started the bolt, you can finish turning it from above by snaking your arm under the turbo and using a 6" extension. Its alot easier and you avoid crawling in and out to retighten it every time you refill and drain the system.
 
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