Chevrolet Sonic Repair Manual: Emissions

Engine Coolant Fan Shroud Replacement (LUV)

Engine Coolant Fan Shroud Replacement Callout Component Name Preliminary Procedures Drain the engine coolant. Refer to Cooling Syst ...

Air Injection

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Other materials:

Instrument Panel Lower Trim Pad Cover Replacement (With AAL)
Instrument Panel Lower Trim Pad Cover Replacement Callout Component Name Preliminary Procedure Disable the SIR system. Refer to SIR Disabling and Enabling. 1 Instrument Panel Lower Trim Pad Fastener ...

Intake Camshaft Removal
Remove the camshaft bearing cap bolts in a spiral sequence as shown one turn at a time until there is no spring tension pushing on the camshaft. Note: Mind the markings on the camshaft bearing caps to ensure they will be installed in the same position. Remove the ...

Crankshaft Position System Variation Learn
Note: The crankshaft position sensor system variation learn procedure is required when the following service procedures have been performed, regardless of whether DTC P0315 is set: Engine replacement Engine control module (ECM) replacement Crankshaft damper replacement ...