This bulletin applies to 2013-2014 Chevy Malibu models equipped with a 2.0L or 2.5L engine. The MIL may be on, with DTC P0011 and/or P0014 codes set in the ECM as history or current.
If normal diagnostics do not lead to a resolution, remove the camshaft solenoids and inspect the screens for debris. If debris is present, clean off the screens with brake cleaner. Reinstall the solenoids and determine if the DTC still sets.
If the code(s) reset or the screen did not have debris, remove the camshaft actuator associated with the DTC(s). With light air pressure, blow out the oil passages through the camshaft actuator solenoid port in the cylinder head while holding a rag over the camshaft actuator oil passages to keep oil from spraying out.
Lubricate the camshaft actuator solenoid seal(s) with clean engine oil and reinstall. Install a new camshaft actuator associated with the code(s).
Evaluate the vehicle and monitor camshaft actuator activity.
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