2012 Chevrolet Cruze

This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that have excessive oil consumption, blue smoke from the exhaust, or a Malfunction Indicator Lamp. Technician should inspect the PVC orifice for leaking oil or drawing a vacuum at idle. If the PCV orifice external port is leaking oil or vacuum, replace the camshaft cover assembly. Technician will inspect for a missing intake manifold Non Return Valve that may have damaged the PCV orifice diaphragm. Check for the return valve if it is not visible use a long cotton swab to wipe any excess oil from the valve to validate. If the non return valve is still not visible, then intake manifold removal for inspection is required to validate. When the valve is present reinstall the intake manifold. When the valve is not present replace the intake manifold assembly.

This Preliminary Information communication provides information to the technician about vehicles that have a grind growl noise on the 1-2 shift that can be felt in the clutch pedal and brake pedal if applied during a 1-2 shift under light or normal acceleration. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle.

This Preliminary Information communication provides information to the technician that fluid contamination may be directed to one of the following testing centers according to the type of fluid needing testing. Dealer should send the correct fluid to the proper testing center.