Is the crank pulley supposed to move?
The camshaft and crankshaft pulleys are directly attached to the engine (camshaft and crankshaft) and will only rotate if the engine is running or manually rotating the engine by placing a socket and breaker bar to the crankshaft pulley bolt.
Which direction does the crankshaft pulley bolt turn?
A crankshaft rotates either in clockwise direction or anticlockwise direction only. Means, if an engine is meant to be rotated in clockwise direction, it will rotate in clockwise direction only.
How do I know if my crankshaft pulley is bad?
Symptoms of a Bad or Failing Crankshaft Harmonic Balancer
- Engine vibration. One of the first symptoms of a potential problem with the harmonic balancer is engine vibration.
- Misaligned timing marks. Another symptom of a potential problem with the harmonic balancer is misaligned timing marks.
- Separated harmonic balancer.
Is it normal for a crank pulley to wobble?
If it’s worn out or damaged, it may lead to timing problems and may wobble. Another reason may be the loosening of the crankshaft bolt that secures the pulley to the engineer. If it gets loose, you don’t need to replace the belt.
Can you drive with a bad crankshaft pulley?
Indeed, if it’s the crank pulley and the harmonic balancer comes off with it and the engine continues to run that can damage the crankshaft. Other pulleys could get distorted if a fastener is missing and in such condition could damage the drive belt riding on the pulley. …
Is crankshaft pulley and harmonic balancer the same thing?
Is a crankshaft pulley and harmonic balancer the same thing? – Quora. No! They are two different things. The harmonic balancer slides onto the front of the crankshaft which has a keyway on it to keep it from slipping and a bolt and wide washer holds it in place.
What happens if you turn your crankshaft counterclockwise?
Even if the belt does slip it will do no permanent damage, but you would have to resinstall the timing belt as per the garage instructions. If you turned the crank bolt counterclockwise you might have loosened the bolt some. You should probably retorqe the bolt.
Is crankshaft pulley bolt reverse thread?
The ‘crankshaft pulley bolt’ is regular threads, it’s just tight as hell and takes a special tool to hold the pulley so bolt can be removed.!
How much does it cost to fix a crankshaft pulley?
Crankshaft Damper Replacement Cost – RepairPal Estimate. Labor costs are estimated between $125 and $157 while parts are priced between $238 and $240. This range does not include taxes and fees, and does not factor in your specific vehicle or unique location.
Can you drive with a wobbly crankshaft pulley?
So, how long can you drive with a bad idler pulley? The safety recommendation is not to drive the car at all and take it to a mechanic immediately. You should be concerned if the vehicle makes squeaking or rattling noises.
What causes crankshaft pulley failure?
Another way a pulley can fail is during the fitting process there has been an interruption with the assembly press or the friction bearing has been incorrectly pressed in. This can occur during the making and installation of the part with the vehicle.
Where is the pulley located on a crankshaft?
The crankshaft pulley is bolted to the harmonic balancer and turns the belt, or belts, to operate other engine components like the alternator or air conditioning compressor. It is located at the end of the crankshaft near the bottom of the engine. The pulley is attached to the balancer using bolts that can loosen over time.
What happens when the crankshaft pulley goes bad?
But if the balancer starts to go bad for any reason, the vibrations won’t be absorbed anymore. This will cause the engine to shake profusely the faster you go. 2) Alternator Failure. The crankshaft pulley is responsible for powering the alternator. So naturally, if the crankshaft pulley goes bad, then you can expect the alternator to stop working.
How much does it cost to replace a crankshaft pulley?
Replacement Cost. The cost to replace a bad crankshaft pulley is anywhere from $350 to $400. The cost of labor is around $150 to $180 and the cost of parts is around $200 to $220. It is not the most expensive replacement job, but it is not too cheap either.