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October 1, 2017 Service bulletin

Information on Traces of EGR Cooler Housing Actuator Exhaust Residue Seen in Colder Climates Some...

Chevrolet technical service bulletin 17-NA-247 for 2018 Chevrolet Equinox, 2017-2018 Chevrolet Cruze and 2018 GMC Terrain.

Bulletin number
17-NA-247
Component
Engine and engine cooling: exhaust system: emission control: gas recirculation valve (EGR valve)
Summary
Information on Traces of EGR Cooler Housing Actuator Exhaust Residue Seen in Colder Climates Some customers may comment that exhaust residue (2) can be seen condensing onto the aluminum housing of the EGR assembly, making it appear as if the bypass actuator arm seal (1) has failed

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