I replaced the rudder bushings on my C&C33II last year. Looking at the drawings, I believe your 37 had the same build. Once you get the quadrant off (bolts will probably break off no matter how much heat/penetrating oil you use) drop the rudder. You will probably have to dig a hole in order to get the rudder out unless you have a really tall cradle. The top bushing is easy to get out but the bottom one I got out by hammering on a pipe at an angle from the inside to catch the top edge of the delrin bushing.
Once I had the bushings out, I took careful measurements and had a local machine shop make new delrin sleeves. Make sure they don't make the sleeves too tight or you could get some binding as I did and then I had to sand it down a bit. Hardest part was getting the quadrant off, it's very limited space back there and I had to remove the fuel tank to get at it, hopefully your 37 has more room. Good luck. Mike Amirault C&C33ii Lovely Cruise SMSC
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