Place the tool through the hole in the back and rotate the adjuster down to move the shoes away from the drum (bring the shoes together). This will help remove the drum from the hub. Rotate the adjuster up to move the shoes toward the drum (separate the shoes).
Hello. I'm a former mechanic. My wife has a 2009 Chevrolet Cobalt --- LS (I believe, although I know it's not a SS). Automatic transmission.
Just today, she noticed the MIL (CEL) illuminate. In conjunction, she cannot start the car using the Auto-Start on the remote. Nothing extraordinary...