This winter I took on two small projects to help replace the oil going forward on my 3GM30F engine (circa 2000). I removed the oil pan, drilled and tapped the bottom to help drain the oil. Second thing I did was installed remote oil filter relocation kit. Engine ran great last time i used it 2 months ago.
After re-assembly with new gasket and refilling the oil I tried to turn it over by hand. released pressure from all three cylinders and tried to turn. it only turns 3/4 of a turn and then sounds as if its hitting something (dull knock sound). The 3/4 turn that it does turn go nice and smooth but not beyond that either direction. I am 100% certain my newly installed drain plug is not protruding the inside of the pan and it is impossible for the rods or anything to hit it. Has to be something else. Cant wrap my brain around this....
Any thoughts?
After re-assembly with new gasket and refilling the oil I tried to turn it over by hand. released pressure from all three cylinders and tried to turn. it only turns 3/4 of a turn and then sounds as if its hitting something (dull knock sound). The 3/4 turn that it does turn go nice and smooth but not beyond that either direction. I am 100% certain my newly installed drain plug is not protruding the inside of the pan and it is impossible for the rods or anything to hit it. Has to be something else. Cant wrap my brain around this....
Any thoughts?
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