Before leaving the vehicle, fully press the clutch pedal down, move the shift lever into R (Reverse), and firmly apply the parking brake. Once the shift lever has been placed in R (Reverse) with the clutch pedal pressed down, the ignition key can be turned to LOCK/OFF, then remove the key and release the clutch pedal.
See Manual Transmission Operation.
Chevrolet Cobalt Service & Repair Manual. Crankshaft Seal R&R
Removal
1.
Raise and support vehicle.
2.
Remove front tire and wheel assembly.
3.
Remove front fender liner.
4.
Turn drive belt tensioner clockwise.
5.
Rem ...