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Hi all,
I need to know if reinstalling a piston and connecting rod into the M37 engine requires new bolts and nuts to be used in the bearing cap.
Thanks in advance.

The TM9-1840A manual specifies new lock washers on the connecting rod bolts, but does not require new bolts or nuts.

However, I wouldn't re-use connecting rod bolts or nuts. New bolts and nuts are not that expensive, but failure would be.

Thanks Elwood,
I think that is the way to go too, any failure with these bits of hardware would be catastrophic.