Hey,
Here's a link for you:
http://www.peachparts.com/shopforum/showthread.php?t=115089

There is also directions in the factory shop manual, which is in the STICKY'S.

Go to the DIY sticky and look for "Online Factory W123 Manual". It's at the bottom of post #4.

Danny

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1984 300SD Turbo Diesel 150,000 miles

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