How to defeat a crank pulley bolt at home?

How to defeat a crank pulley bolt at home?

Use a proper impact gun (1000nm) with single hex impact socket (not chrome) or Get a proper crank locking tool that fits in place of the starter, car in gear, someone standing on the brakes and a huge breaker bar+extension handle (scaffold bar).

How to loosen a crankshaft pulley harmonic balancer bolt?

How to loosen a difficult crankshaft pulley harmonic balancer bolt. The first method uses the power of the starter motor, and the second method uses the force of the rolling vehicle. Be sure to disconnect the main coil wire before attempting, because you DO NOT want the car to start when doing this!

What kind of car has a broken crankshaft pulley?

He’s worked on two other vehicles with broken crankshaft pulley bolts. In both cases the car was a 96-2000 Civic. Mine is the third one. On the first car, the engine had to be pulled from the vehicle to get the bolt out, lucky for the owner.

What to do if your crankshaft comes off while driving?

In the second case, they had to remove the crankshaft, take it to the machine shop to get the broken bolt out. The timing belt was changed a few months back so my mechanic is hopeful that the threads will not be jammed, hopefully he will be able to drill it out.

What should I do if my crankshaft bolt breaks?

If the bolt broke due to bottoming out it will be difficult to get it free. It might be worthwhile to have a well equipped machine shop get the bolt out and save the crankshaft. A drill that runs off center and into the crankshaft threads could destroy it.

What kind of bolt is in a crankshaft?

” And, to make things worse, it turns out the bolt is made of pewter and is about 3-4 inches in the crank.” If you have room to get a drill on the bolt, get some reverse twist bits and drill it out. The reverse spin sometimes will drive the bolt out. It surely is not pewter.

Where does the thread start in a crankshaft?

Now, this bolt had threads at the top to turn the bearing, a shaft, and then about half inch but no more than 3/4 inch of thread at the bottom to thread into the crank and a long shoulder in between. The bolt broke at the bottom where the threaded part started.

What to do if a pulley bearing is worn out?

If bearing is excessively worn, replace with new bearing. Check fit of inner race to ensure against bearing distortion. Check level and alignment at pulley shaft. Check shaft for straightness. Remove pulley to replace shaft. Inspect bearings for damage and replace as necessary. Tighten bearing lock mounting bolts.

Can a crank pulley bolt damage a flywheel?

Get a proper crank locking tool that fits in place of the starter, car in gear, someone standing on the brakes and a huge breaker bar+extension handle (scaffold bar). Thanks for the replies. Cars an e46 BMW. I’ve heard that locking at the flywheel can damage the flywheel, not sure if that’s true?

What should I do if my lawn mower pulley is not working?

Below are some common pulley problems you may encounter, the possible causes of those problems, and our recommendations on how to fix the problems. Replace with new bearing. Remove pulley and replace shaft. Inspect for damage to bearings and replace as necessary. Adjust tension at take-up device.

If bearing is excessively worn, replace with new bearing. Check fit of inner race to ensure against bearing distortion. Check level and alignment at pulley shaft. Check shaft for straightness. Remove pulley to replace shaft. Inspect bearings for damage and replace as necessary. Tighten bearing lock mounting bolts.

What to do if pulleys don’t track properly?

Tighten mounting. Check level and alignment of pulley shaft or belt will not track properly. If bearing is excessively worn, replace with new bearing. Check fit of inner race to ensure against bearing distortion. Check level and alignment at pulley shaft. Check shaft for straightness. Remove pulley to replace shaft.

Below are some common pulley problems you may encounter, the possible causes of those problems, and our recommendations on how to fix the problems. Replace with new bearing. Remove pulley and replace shaft. Inspect for damage to bearings and replace as necessary. Adjust tension at take-up device.