For vehickes with a convenience net, it is located in the rear. Use it to store small loads as far forward as possible. The net should not be used to store heavy loads.
Chevrolet Cobalt Service & Repair Manual. Camshaft R&R
Removal
1.
Loosen vent hose clamp at air cleaner
resonator, air cleaner intake duct clamp at air cleaner outlet resonator.
2.
Loosen air cleaner outlet resonator
to throttle body clamp, located forward of accelerator cable bracket ...