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Service bulletin PIT4916H

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10162148
Published by NHTSA2019-07-08
Manufacturer's numberPIT4916H
Manufacturer's date2019-06-24
NHTSA componentVISIBILITY:GLASS, SIDE/REAR

NHTSA's 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 2 inches.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Glass, wipers and mirrors

Vehicles listed
CHEVROLET EQUINOX2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
GMC TERRAIN2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
22V1650002022-03-17. VISIBILITY:WINDSHIELD WIPER/WASHER:MOTOR
20181962018-04-19. Visual System
18V2520002018-04-19. STRUCTURE:EMERGENCY:ESCAPE/EGRESS/EXIT; VISIBILITY
20181372018-03-16. Visual System
16V5820002016-08-04. VISIBILITY:WINDSHIELD WIPER/WASHER:MOTOR
20163182016-06-22. Visual System
09V4890002009-12-23. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
21-NA-0432025-02-12. Service bulletin. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
PI0754G2024-08-17. Service bulletin. This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic.
PI0767B2024-04-29. Service bulletin. Erratic or Insufficient Cooling when A/C Compressor is On
PI0767A2024-04-29. Service bulletin. Erratic or Insufficient Cooling when A/C Compressor is On
PI0754A2024-04-29. Service bulletin. Rear and Side Tempered Glass Spots.
990139004E2024-02-12. Service bulletin. Air Conditioning Odor
18-NA-1622024-02-02. Service bulletin. This technical bulletin provides a procedure for air conditioning refrigerant desiccant replacement due to A/C Not Cooling or refrigerant loss.
PIT5099G2023-12-26. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
PIT52052023-12-26. Service bulletin. Reduced HVAC Blower Speed Or Reduced A/C Or Heating Performance.
PIT5203A2023-12-26. Service bulletin. SES Indicator Or Open HVAC Fuse.