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Old 08-29-2005, 06:14 PM
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ccooper ccooper is offline
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Join Date: Feb 2004
Location: Ladera Ranch, CA, US
Posts: 86
Quote:
Originally Posted by dieseldiehard
Also, I would like to add that the fan clutch can be a big factor, someone here learned that the hard way (after replacing other component$)
First, thank all of you for the replies. My heart palpitations over getting the new head have subsided!

I was also thinking the fan clutch could be a culprit. I used a Behr rather than the more expensive Sachs. I just read the following thread, which describes some of what I've been seeing. I'm leaning toward the t-stat at this point, though.

Fan clutch issue 603????

I haven't followed the prescribed tests, but will tonight. One thing I'm not 100% about is whether I put the fan in the right direction. There are markings on one side, which I directed to the front. This means the "clipped" side of the fan faces the engine. It's how it was in before, but the FSM does not speak very loudly to whether this is correct.

Does anyone have a web site that has this knowledge about cracked heads, or an FAQ? If not, I volunteer to compile one. There is a lot of interest in this area and I would like to help.
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Casey Cooper
"From a long line of Mercedes ownership"

'86 300SDL 250K miles (Gone, but not forgotten); best diesel I have ever driven, too bad about the Achilles heel.

'81 240D 370K miles (Sold to my brother after 9 years and 150K miles of reliable driving!)

[Five other Mercedes in family clipped for less length.]
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