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.
Gasoline Octane
California FuelChevrolet Cobalt Service & Repair Manual. Exhaust System Complete, Replace
Removal
Warning: Approved safety glasses
and gloves should be worn when performing this procedure to reduce the chance
of personal injury.
Caution: Do not over flex or
damage the flex joint when moving the flex joint from the normal mounting
position.
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