You need a pulley puller.
www.ls1howto.com may be able to help.
To remove the harmonic balancer on a 2001 PT Cruiser, first, ensure the engine is cool and disconnect the negative battery cable. Remove the serpentine belt and any components obstructing access to the balancer, such as the crankshaft pulley. Use a harmonic balancer puller tool to carefully extract the balancer from the crankshaft. Finally, ensure all bolts are removed and check for any retaining clips before pulling the balancer off.
To change the harmonic balancer on a 2001 Chevy Metro, first disconnect the negative battery terminal and remove the drive belt. Use a puller tool to remove the old harmonic balancer, then clean the crankshaft and inspect it for damage. Install the new harmonic balancer by aligning it properly and pressing it onto the crankshaft. Finally, reattach the drive belt and reconnect the battery terminal.
how to replace harmonic balancer 3.4 v6 2001 grand am gt?
its right behind the harmonic balancer....so you will have to remove the h.b them remove the crank sensor...
YOUR LOCAL AUTOPARTS STORE WILL RENT YOU A PULLER AND SHOW YOU HOW TO USE IT.
behind the harmonic balancer
behind the harmonic balancer on the left side
You dont repair it...you have to replace it.
There is not much you can do with a bad balancer other than replace it with a new one.
take the serpentine belt off and then take the crank pulley off the balancer and then you will need a puller to get the balancer off the crank.
Counterclockwise.