I found a mag at the house the other day that I some how acquired when I had my last 300D. The website is www.performanceproducts4benz.com Request a catalog from them. It has tons of good info and diagrams in there for most different chassis MBZ's. Sorry if this is old and everyone already knows about it. Hey, if nothing else, it makes for good toilet reading material!

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2005 Accord Hybrid (Wifes)
1995 Subaru Impreza L AWD (Snow car)
1984 GMC Sierra 1500 (Mine)
1983 300CD Best $ I ever spent. (Mine)
1984 190D (sold and glad I did)
1983 300D (sold and wished I hadn't)

Actually, I just thumbed through this catalog and it has a ton of great info in in with great prices. It has a vacuum diagram, A/C diagram and a complete engine breakdown diagram. Catalogs are free and no I do not work for them. I sell used auto parts! www.rjautosalvageinc.com

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2005 Accord Hybrid (Wifes)
1995 Subaru Impreza L AWD (Snow car)
1984 GMC Sierra 1500 (Mine)
1983 300CD Best $ I ever spent. (Mine)
1984 190D (sold and glad I did)
1983 300D (sold and wished I hadn't)