Needle Bearings Found in the Oil Pan During An Oil Change – GM

2019 Chevrolet Silverado

NHTSA ID Number: 10178387 Manufacturer Communication Number: PIP5226D   Summary This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Only replace the roller rocker that is missing needle bearings. Be sure to clean the oil drains to retrieve … Read more

Information on Driveline Clunk Noise – 2020 and Prior GM Passenger Cars and Trucks

2020 Chevrolet Silverado

NHTSA ID Number: 10168212 Manufacturer Communication Number: 990420002K Summary This informational bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operations.   532 Affected Products Vehicles MAKE MODEL YEAR BUICK CASCADA 2016-2019 BUICK ENCLAVE 2010-2020 BUICK ENCORE 2013-2020 BUICK ENVISION 2016-2020 BUICK LACROSSE 2010-2019 BUICK LUCERNE 2010-2012 BUICK REGAL 2011-2020 … Read more

Diagnostic Tip – Diesel Exhaust Fluid System Contamination – 2010-2023 Chevrolet & GMC

Chevrolet GMC Cadillac

NHTSA ID Number: 10222781 Manufacturer Communication Number: 19-NA-237 Summary This informational bulletin explains how to identify possible DEF contamination.   Condition Some customers may comment on one or more of the following conditions: Exhaust fluid quality poor message on the Driver Information Center (DIC). Diesel exhaust fluid warning lamp on. Other exhaust fluid quality related concerns.   … Read more

EV Range Driving Tips – 2017-2018 Cadillac CT6 & 2017-2019 Chevrolet Volt

2019 Chevrolet Volt

NHTSA ID Number: 10161002 Manufacturer Communication Number: PIC6231D Summary This Preliminary Information communication provides information to the technician about vehicles EV range is less than expected, or the estimated EV range on the display is greater than the actual range achieved. Dealer should walk the customer though using the energy screen. The energy screen will help the … Read more

Upfitter Configurable Auxiliary Circuits (Police And Special Service Vehicles) – 2015-2020 Chevrolet Tahoe

2019 Chevrolet Tahoe

NHTSA ID Number: 10168963 Manufacturer Communication Number: PIT5325C Summary This Preliminary Information communication provides information to the technician about the new 2015 – 2017 Tahoe Police Package Vehicle and Special Service Vehicle have four relay controlled circuits which can be utilized when installing special first responder equipment. Please reference the latest version of General Motors Upfitter Integration … Read more