Engine Vibration – Resonance/Boom Between 40 To 60 MPH – 2010-2017 Chevrolet Equinox & GMC Terrain

2017 Chevrolet Equinox

NHTSA ID Number: 10080685 Manufacturer Communication Number: PIP5277B   Summary THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR VEHICLES THAT HAVE A RESONANCE TYPE VIBRATION OCCURS BETWEEN 40 TO 60 MPH. IN MOST CASES THE ENGINE MUST BE UNDER A SLIGHT LOAD SUCH AS A/C COMPRESSOR ENGAGEMENT, LIGHT THROTTLE, … Read more

Unwanted Content Theft Alarm Sounds – 2015-2019 Cadillac Chevrolet & GMC

2019 Cadillac Escalade

NHTSA ID Number: 10156946 Manufacturer Communication Number: PIT5379E   Summary This Preliminary Information communication provides information to the technician about vehicles that may have a content theft alarm sounding for no apparent reason. Technician may use all published Service Information diagnostics and has not found the cause of the unwanted content theft alarm sounding. Technician should use … Read more

Diagnostic Tip – Additional Brake Pedal Effort – 2014-2019 Cadillac Chevrolet GMC

Chevrolet GMC Cadillac

NHTSA ID Number: 10145479 Manufacturer Communication Number: PIT5361D Summary This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have issues were the customer will need increased effort to depress the brake pedal. Technician may find fluid in the brake booster and/or the booster vacuum line. Technician will … Read more

Special Coverage Adjustment – Plugged PCV Orifice in Intake Manifold – 2010-2014 Buick Chevrolet GMC

2013 Buick LaCrosse

NHTSA ID Number: 10090101 Manufacturer Communication Number: 14882 Summary 14882 – Special Coverage. Certain vehicles equipped with a 2.4L engine (LAF, LEA or LUK) that have experienced high oil consumption may also experience a frozen and/or plugged PCV (positive crankcase ventilation) system during cold weather operation. This condition may increase crankcase pressure leading to a rear crankshaft … Read more

Use of Surface Conditioning Disks When Cleaning Gasket Sealing Surfaces and/or Reused Parts – GM Passenger Cars and Trucks

General Motors

NHTSA ID Number: 10222732 Manufacturer Communication Number: 00-06-01-012L Summary This service bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts.   The Use of Surface Conditioning Disks Notice: Do not use abrasive pad/bristle devices to clean the gasket surfaces of … Read more