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This bulletin applies to 2014-2019 Chevy Corvette vehicles equipped with a 6.2L LT1 or LT4 engine. The SES light may be on, accompanied by DTC P0106 and P0506. This may be caused by a broken valve spring.

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Chevy ‘Rotational Click’ is OK

This bulletin applies to 2018-2019 Chevy Traverse and Equinox, 2019 Blazer, 2017-2019 Cruze and Malibu vehicles, all equipped with a GF9T 45/50/60/65 transmission. A “rotational click” noise may be heard after the engine is shut off.

Chevrolet Notes Camaro Short Circuits

Some owners of 2016-2019 Chevy Camaro vehicles equipped with a 6.2L LT1 or LT4 engine may comment that the vehicle lost electrical power and/or will not start.

Chevy Corvette Park System Isn’t Engaging

This bulletin applies to 2016-2019 Chevy Corvette vehicles equipped with a 8L45 or 8L90 automatic transmission. The park system may not engage. The condition may be caused by a damaged parking pawl and/or parking pawl actuator.

Chevy Vacuum

Owners of 2019 Chevy Equinox vehicles may experience the MIL on. The technician may find DTC P050F (brake booster weak vacuum) set in the ECM.

Camaro Hiss

Some owners of a 2016 Chevy Camaro may comment on a hissing noise when applying the brakes and a service brakes message displayed on the instrument panel.

Vetter Cold Air Upgrade

This bulletin applies to 2014-2019 Chevy Corvette vehicles. Some customers may comment on interference at the hood air extractor and/or hood blanket after the installation of the Performance Cold Air Intake.

Vette Transmission

Some 2019 Chevy Corvette vehicles equipped with a 6.2L engine and 8L90 automatic transmission may have an issue due to transmission valve body solenoids not being fully seated.

Chevy ABS Recall

General Motors is recalling certain 2014-2020 Chevy Silverado 1500, Suburban and Tahoe vehicles equipped with a 5.3L engine, 3.08-ratio rear axle and four-wheel drive.

Chevy Cam Reluctor

This bulletin applies to a number of Chevy vehicles including 2013-2014 Captiva, 2006-2010 Cobalt, 2010-2017 Equinox, 2006-2011 HHR, 2014 Impala and 2007-2013 Malibu, equipped with a 2.0, 2.2 or 2.4L engine. While the engine may be properly timed, a crank-no-start issue may be present, accompanied by DTC P0016 and/or P0017.