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engine oil leak

This bulletin applies to 2017-2018 Toyota Highlander and Sienna, 2018 Camry and 2016-1028 Tacoma models. Some vehicles equipped with a 2GR-FKS 3.5L engine may exhibit an engine oil leak from the cam sensor bolt holes. The flange bolts and the camshaft housings have been changed to address the issue.

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Chevy Leaker

This bulletin applies to 2016-2019 Chevy Camaro vehicles equipped with a 2.0L or 2.5L engine. An engine oil leak may be found from the side of the engine block, near the starter. The condition may be caused by porosity in the cast engine block at a bed plate bolt hole location.

Chevy Oil Leak Fix

This bulletin applies to 2013 – 2019 Chevy Malibu vehicles equipped with a 2.5L or 2.0L engine. The same engines are available in a number of GM vehicles including Buick Envision and Regal, Cadillac CTS, ATS and CT6, Chevy Camaro, Equinox, Impala and Traverse and GMC Acadia, Canyon and Terrain.

Pop Goes the Rear Mainseal

Some owners of 2011 Buick Regal vehicles equipped with a 2.4L engine may complain of an engine oil leak that appeared in extremely cold ambient temperatures (generally 0 degrees Fahrenheit or colder). They may also comment that they heard a single “pop” noise immediately before the oil leak started.