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Crank pulley fell off, is my crank ok?

540 Views 14 Replies 5 Participants Last post by  Mohammad Qads
So i was just driving going 40-60kph when out of nowhere i hear a loud BANG. pulled over immediately just to see the pulley literally rolling down the road beside me. The car still ran, lost power steering and alternator. grabbed the pulley and went home immediately. My guess was the bolt backed out but how.

Next morning i went to inspect the damage and found i tiny chip on where the woodruff key sits. Made a video and the scratch noise you hear is the timing belt guide cover loose. I just hope nothing internal was catastrophically damaged. i’m gonna check the timing soon. Is my crank still good? i’ve heard about people using JB weld to fix it.

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I had a broken keyway on a crank for a Subaru, way before I was ever comfortable taking an engine apart.
I did a thing you should NEVER do.

I purchased a new pulley and a new crank bolt. I then added JB Weld to the surface of the crank snout. I then pressed the pulley in, added JB Weld to the keyway (filling it), and then tightened the bolt to the recommended torque setting. I then let the JB Weld cure for a whole weekend.

This lasted for a whole year, when I did an overhaul. I planned the overhaul as soon as I "fixed" the pulley. Never gave me a problem.

Of course, don't do this.

Edit: Let's be clear. No one here is liable for your actions. No matter what, anything you do with your car involves risks. Somethings sometimes works. Somethings NEVER work. You have to be the adult and choose what is best for you.
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