its not straight
A bad crankshaft sensor can have several symptoms. The engine could stall, backfire, be sluggish or not run at all.
broken rib
Engine cranks but doesn't start.
The crankshaft pulley has broken causing the outer ring to slide forward into the fan assy. replace your crankshaft pulley and all will be well
Piston seized to cylinder wall Broken Crankshaft
I'm pretty sure there are no symptoms. You will know if your pinky is broken IF....There is no swelling, no pain, and it works normally. Those are clear signs of a broken finger.
Common signs and symptoms of a broken crank in a car engine include loud knocking or banging noises coming from the engine, engine misfiring or stalling, loss of power or acceleration, and visible damage or oil leaks around the crankshaft area. If you notice any of these signs, it is important to have your car inspected by a mechanic as soon as possible to prevent further damage.
Crankshaft pulley turns with the crank, if it won't turn at all, something internally is broken.
Broken timing belt?
Usually, part of it will still be attached to the crankshaft. Sometimes, it will be in the oil pan.
No, but it can be replaced. I would recommend taking to a professional.
Symptoms of a broken heat pump can vary. They can include a drop in temperature, leaks, and noises.