2019

Engine Replacement After Severe Internal Engine Damage – Replace Intake Manifold – GM Passenger Cars and Trucks

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General Motors

NHTSA ID Number: 10222205 Manufacturer Communication Number: 00-06-01-026P Summary This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.   General Information When replacing an engine due to internal damage, extreme care should be taken when transferring the intake manifold to the new Genuine GM Part service … Read more

Information Regarding the Differences Between Fluid Leakage and Seepage – GM Passenger Cars and Trucks

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General Motors

NHTSA ID Number: 10222777 Manufacturer Communication Number: 15-00-89-004E Summary This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.   This bulletin is intended to help identify the differences between what is considered a fluid leak and what is considered seepage. … Read more

Oily Substance On Windshield Leaking From Moisture Sensor – 2013-2020 Cadillac Chevrolet GMC Buick

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2019 Chevrolet Tahoe

NHTSA ID Number: 10185728 Manufacturer Communication Number: PIC6086G   Summary This Preliminary Information communication provides the technician with steps to resolve the issue of an oily substance that may be found on the inside windshield surface, and appears to be leaking from the rear view mirror area.  Technician will remove the moisture sensor and clean the glass … Read more

Normal Characteristic – Wind Buffeting Noise With a Rear Window Down – 2010-2022 Chevrolet Equinox & GMC Terrain

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2020 Chevrolet Equinox

NHTSA ID Number: 10202396 Manufacturer Communication Number: PIT4916K   Summary This Preliminary Information communication provides information to the technician about vehicles that have may a helicopter type noise when a rear window is lowered. This is a normal characteristic of this vehicle, but the concern can be minimized by lowering a front door glass approximately 1 to … Read more

Information on New Refrigerant (R-1234yf) for A/C Service – 2013-2019 GM Passenger Cars and Trucks

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2019 Chevrolet Corvette

NHTSA ID Number: 10135245 Manufacturer Communication Number: 120137001B   Summary This informational bulletin provides information to dealership personnel on a new refrigerant (R-1234yf) for A/C service.     Product Description R-1234yf is a new environmentally friendly refrigerant that has a 99.7% lower Global Warming Potential (GWP) than R-134a. The new refrigerant is considered mildly flammable and has … Read more