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Try taking out the spark plugs first, because turning the crank shaft with the plugs in creates pressure. Or it could be that there is a bent rod and the piston head is in the head wall.

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16y ago
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14y ago

for the purpose of starting the car, it is not possible by hand, but if you just want to turn the crankshaft, use a socket on the crank sprocket bolt

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Q: Why won't my engine crankshaft turn all the way by hand?
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