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. Power Steering System Leak, Inspection
Most modern cars come equipped
with hydraulic power steering, as systems age they can wear out. Power steering
fluid leaks (depending on severity) will cause the power steering system
to stop working.
Always clean all power steering
components, hoses and lines bef ...