You can go to a local parts place and rent a chrysler harmonic balancer puller. I just did mine on a 2001 and it costed 75.00 and when I was done they gave me my money back. It is the only way to get it off.
Yes, the bolt that holds the harmonic balancer in place on a 2001 Chevy Malibu is reverse thread. I learned that the hard way and stripped the head of my bolt down to nothing. And the bolt is almost impossible to find, because they no longer make them.
Remove the wiring harness from the back of your 2001 Chevrolet Corvette blower motor. Remove the blower motor retaining bolts. Remove the blower motor fan. Reverse the process to install the new blower motor.
Drain the water from your 2001 Chevy Corvette cooling system. Remove the water supply hose from the top of the thermostat housing. Remove the thermostat housing retaining bolts. Remove the old thermostat. Reverse the process to install the new thermostat.