Join Date: Sep 2002
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I have a newer Sherwood on my 2004 C34. They have probably not changed the design. They are bolts, I think 7/16, and you access them with a small wrench from behind. Best done with a very cool engine and someone with small hands. Getting it off is easier than getting the bolts back in the holes, aligned, and threaded without stripping the bronze threads. Just found this week, unfortunately, that if you do strip the threads that the bolt only goes half way thru the cover. Get a longer bolt and use the threads that have never been touched before.
I inquired about switching to a quick cover that I have heard mentioned on this site. I was told that I could certainly do that, but I would need a different water pump, because it cannot be done on the Sherwood. So, if you have an impeller problem and need to move quickly, better be able to sail out of trouble. This is not the fastest fix in the world. A two bloody knuckle fix for my fat hands.