Ok! Tonight I went to help a neighbor rebuild his international 656 diesel! Neither one of us are engine rebuilders at all but hey you gotta learn somehow! So we put the new main bearings in which the old ones were standard and the new ones are standard! Put them all in tried to roll the crank over couldn't even with a small pry bar loosened all but one bearing still couldn't turn it at the torque spec the bok called for think it was 90 Pounds! So loosened the last one rolled over of course so I took half of a old bearing put it in tightened it rolled over fine! Could they have gave us the wrong size bearings but marked them as standard? Cause I think it should roll over kinda snug with new bearings we did put white litheum grease on the new bearings!
- Thread starter Brian806
- Start date
fixerupper
Well-known Member
Bearing cap backward? Don't ask how I know.
gene bender
Well-known Member
You need a ball mike to measure them had one bearing for a Cub last winter that was 10thous over and lke you said couldnt turn it over after miking the bearing found the problem bad job of packing
john in la
Well-known Member
Do you have all the cap numbers matched up correctly?
You did number them?
If so plasti gauge each bearing and see what you have.
You did number them?
If so plasti gauge each bearing and see what you have.
Welding man
Well-known Member
- Location
- West Virginia
If the crank has been ground undersize and you put standard bearings in. The crank would be too loose, not too tight. Make sure the caps are all in the right place and turned the right way. Make sure you didn't get a piece of dirt under a bearing. Snug the caps all down and turn the crank. Torque each bearing one at a time an see which one is locking it up. Check the wear pattern on the old bearings. See if copper is showing on some and not the others, The block may need to be line bored. I build engines for a living. Any more questions?
(Sorry, had to add to the funny)Russ from MN
Well-known Member
- Location
- Bemidji MN
If you torqued it with the caps on wrong you may have done some damage!
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