So I finally found a good used oil pan for my 340 utility. I know that one of the threads in the block is stripped. Someone recommended a helicoil. Does anyone know of hand what size I would need to get? I am not near my tractor and would like to pick one up if you gentlemen think it is what would work.
- Thread starter Mark W.
- Start date
Bob M
Well-known Member
Mark - I'm 99% certain those pan bolts are 5/16-18. But have someone else confirm before you go buying a helicoil, tap and inserter tool!
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Another (probably cheaper) option: Drill and retap the stripped hole the next screw size larger (3/8-16). Then use a 3/8-16 bolt (or a 3/8-16 socket head cap screw if a 3/8 bolt head is too big) in that hole. Of course you would need to drill out the mating hole in the pan flange to fit the larger pan bolt.
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Another (probably cheaper) option: Drill and retap the stripped hole the next screw size larger (3/8-16). Then use a 3/8-16 bolt (or a 3/8-16 socket head cap screw if a 3/8 bolt head is too big) in that hole. Of course you would need to drill out the mating hole in the pan flange to fit the larger pan bolt.
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