Disconnect the battery and remove the fan assembly and crankshaft belts. Remove the center bolt from the pulley and use a crankshaft pulley remover to pull off the pulley. You can usually borrow one from an auto parts store.
I think it is behind the crank pulley.
the harmonic balancer, is the pulley on the front of the crankshaft. this is used to balance a crankshaft.
No
Behind the harmonic balancer (dampner) that is located behind the crankshaft pulley.
Should be behind pulley directly above crankshaft
1991 Chevy s10 how to replace outside window weather strip
Try to replace only bearing #6203 2Z inside of pulley.
How to remove and install the serpentine belt on 1991 Chevy Blazer with AC?
replace heater core in a 1991 Chevy work truck 1500
pull the gas tank out and replace it
The 1.6L engine has a single cam pulley, a water pump pulley used to tension the timing belt, and a crankshaft pulley. The pulleys are concealed by a plastic cover with a rubber seal.
Look for the tension pulley. there is a square hole in the end. Stick a 1/2 inch drive ratchet with a short 1/2 inch extension end into it and turn it to releave the pressure off of the pulley.