At a minimum, gasoline should meet ASTM specification D 4814 in the United States or CAN/CGSB-3.5 or 3.511 in Canada. Some gasolines contain an octane-enhancing additive called methylcyclopentadienyl manganese tricarbonyl (MMT).
We recommend against the use of gasolines containing MMT. See Additives for additional information.
Chevrolet Cobalt Service & Repair Manual. Tightening Specifications
Year
Component
Torque, Ft. Lbs.
2009-10
Accelerator & Cruise Control Cable
89 2
Air Cleaner Clamps
44 2
Air Cleaner Outlet Resonator Mounting Bolt
...