crc an a whole lot of effort, they do come off but its not easy.its also just as hard to put back on at the correct torque, try harmonic balancer puller or breaker bar method
Use a strap wrench or chain wrench on the pulley to hold it secure.
the pulley on the harmonic balance drives the alternator belt. this is the pulley at the bottom of the engine ,on the front of the crank shaft if this pulley is not turning you have a problem. this means either the key is missing or the crankshaft is broken
The main pulley on which the serpentine belt goes on in a 1997 Chevy Lumina LTZ is the crankshaft pulley. The crankshaft pulley plays a role in the wheels turning and powering the alternator and power steering pump.
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The crankshaft pulley is the large pulley on the lower passenger side of the engine.
put the car in drive and crankshaft wont turn anymore. then you can take off the bolt
Disconnect the battery and remove the fan assembly and crankshaft belts. Remove the center bolt from the pulley and use a crankshaft pulley remover to pull off the pulley. You can usually borrow one from an auto parts store.
the crankshaft sensor is located behind the crank pulley. the bottom pulley
The crankshaft position sensor is located at the lower left hand side of the crankshaft pulley. The crankshaft pulley is the large pulley located in the center lower portion of the front of the engine.
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
The crankshaft pulley unbolts from the harmonic balancer. The harmonic balancer can be removed from the crankshaft with a 3 bolt puller.
The crankshaft pulley is the lowest pulley on the engine. Looking at the engine from the front which is looking at it from the passenger side fender the crank pulley is on the bottom of the engine and has a pulley with a pulley behind it with teeth on it.