Information On Engine Oil Consumption Guidelines – 3.0L Duramax Diesel – 2020-2022 Cadillac Chevrolet GMC

2022 Chevrolet Silverado 1500

NHTSA ID Number: 10205591 Manufacturer Communication Number: 21NA272   Summary This service bulletin provides information on Engine Oil Consumption Guidelines.     18 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ESCALADE 2021-2022 CADILLAC ESCALADE ESV 2021-2022 CHEVROLET SILVERADO 1500 2020-2022 CHEVROLET SUBURBAN 2021-2022 CHEVROLET TAHOE 2021-2022 GMC SIERRA 1500 2020-2022 GMC YUKON 2021-2022 GMC YUKON XL 2021-2022 …

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3.0L LM2 Diesel With Possible Oil Consumption, With or Without DTC P06DD – 2020 Chevrolet Silverado & GMC Sierra 1500

2020 Chevrolet Silverado 1500

NHTSA ID Number: 10204454 Manufacturer Communication Number: PIP5762B   Summary This preliminary information communicates to technicians a possible valve cover causing oil consumption, and the repair.     2 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET SILVERADO 1500 2020 GMC SIERRA 1500 2020   Condition A customer may have a concern with oil consumption. The technician may …

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Special Coverage Adjustment N192287100 Catalytic Converter and Oxygen Sensor Performance Degradation – 2012-2013 Chevrolet Equinox & GMC Terrain

2013 Chevrolet Equinox

NHTSA ID Number: 10183216 Manufacturer Communication Number: N192287100   Summary Special Coverage Adjustment. Some vehicles, equipped with a 2.4L engine and certified to the EPA Bin 4 emission standard and the California Cleaner Federal Vehicle option of Bin 4 emission standard, may exhibit catalytic converter and/or oxygen sensor performance degradation, without illumination of the malfunction indicator lamp …

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Higher Than Expected Oil Consumption – 2017-2023 Chevrolet Silverado & GMC Sierra

2020 Chevrolet Silverado

NHTSA ID Number: 10222652 Manufacturer Communication Number: 16-NA-376 Summary This informational bulletin provides information on higher than expected oil consumption.   Information on Engine Oil Consumption Guidelines for the 6.6L Duramax Diesel Engine All engines require oil to lubricate and protect the load bearing and internal moving parts from wear including cylinder walls, pistons and piston rings. …

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Possible Oil Consumption and/or Leaks – 2011-2019 Buick & Chevrolet

2019 Buick Encore

NHTSA ID Number: 10161948 Manufacturer Communication Number: 19NA101 Summary This technical bulletin provides a procedure to replace the intake manifold if diagnostics has found the Non Return Valve missing.   28 Affected Products Vehicles MAKE MODEL YEAR BUICK ENCORE 2013-2019 CHEVROLET CRUZE 2011-2016 CHEVROLET SONIC 2012-2019 CHEVROLET TRAX 2013-2019   Parts MANIFOLD, INT 25200449     SEOCONTENT-START …

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