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What is the best way to install the bottom pulley hub on my M37 engine? It goes on the end of the crankshaft and I do not want to damage anything.
Thanks in advance for the advice.

Hi Ray welcome to the board

I would not try sucking the pulley on with the bolt. with lots of thin oil and some grease on the seal a couple of taps with a rubber mallet should bring it home. make sure there are no burs on the key and don't forget the felt O ring. cleaning up the threads on the pulley boss is also a good idea and don't forget if your working too hard get a bigger hammer

post some pics.... we like pics

Thanks for the tip. One question regarding the felt washer. My engine did not have a felt washer so where does it go? Behind the timing chain cover in front of the sprocket or between the hub and the cover? Thanks for the help.

between the hub and the cover.

RMS: Thanks for the info. The hub can be tapped onto the crank without any problem. Appreciate the quick responses.