I had to replace a balancer hub on my friends '79 300SD (pulley bolts got loose somehow, and stripped out two bolt holes). I did not remove the radiator. The hardest part was getting enough leverage to loosen the crank bolt. Getting the dowel pins lined up was not as big a deal as I was led to believe it was going to be. The puller I had worked well, with plenty of room with the radiator in place. When you go to put the crank seal on, use a cone shaped plastic drink cup as a sleeve to slide it on over the crank sealing surface.

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All Diesel Fleet
1985 R107 300SLD TURBODIESEL
2005 E320 CDI (daily)

LOTS of parts for sale!


EGR block kit
http://www.peachparts.com/shopforum/diesel-discussion/355250-sale-egr-delete-block-off-plate-kit.html

1985 CA emissions 617 owners- You Need This!
Sanden style A/C Compressor Mounting Kit for your 616/ 617 For Sale + Install Inst.

Sanden Instalation Guide (post 11):
http://www.peachparts.com/shopforum/diesel-discussion/367883-sanden-retrofit-installation-guide.html