Chevrolet Sonic Owner's Manual: Gasoline Specifications
At a minimum, gasoline should meet ASTM specification D 4814. Some gasolines contain an octane-enhancing additive called methylcyclopentadienyl manganese tricarbonyl (MMT). We recommend against the use of gasolines containing MMT. See “Prohibited Fuels" in Recommended Fuel.
Recommended Fuel
Use regular unleaded gasoline with a posted octane rating of 87 or higher. If
the octane rating is less than 87, an audible knocking noise may be heard. If this
occurs, use a gasoline rated at 87 ...
California Fuel Requirements
If the vehicle is certified to meet California Emissions Standards, it is designed
to operate on fuels that meet California specifications. See the underhood emission
control label. If this fuel i ...
Other materials:
Front Disc Brake Mounting and Hardware Inspection
Warning: Refer to Brake Dust Warning.
Inspect the fluid level in the brake master cylinder reservoir.
If the brake fluid level is midway between the maximum-full point and the
minimum allowable level then no brake fluid needs to be removed from the reservoir
before proceed ...
Engine Coolant Fan Resistor Mount Repair
Engine Coolant Fan Resistor Mount Repair
Callout
Component Name
Preliminary Procedure
Remove the fasteners securing the radiator surge tank to the engine
shroud and position the surge tank out of the way. Refer to Radiator
...
Spark Plug Replacement
Spark Plug Replacement
Callout
Component Name
Preliminary Procedure
Open the hood.
Remove the engine sight shield.
Remove the ignition coil. Refer to
Ignition Coil Replacement.
1
Spark P ...
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