17NA149
Service Bulletin Details
Public Details for: 17NA149
This technical bulletin provides repair information to correct a customer concern of water sloshing in quarter panel area when accelerating or stopping and/or long period of water draining from rear wheel well after vehicle is parked.
Models from 2019
2019 BUICK CASCADA |
Models from 2018
2018 BUICK CASCADA |
Models from 2017
2017 BUICK CASCADA |
Models from 2016
2016 BUICK CASCADA |
Bulletin No.: Service Bulletin Date: 17-NA-149 October, 2020 TECHNICAL Subject: Water Sloshing in Quarter Panel Area When Accelerating or Stopping and/or Long Period of Water Draining from Rear Wheel Well After Vehicle is Parked Brand: Model: Buick Model Year: VIN: from to Cascada 2016 2019 Opel/ Vauxhall Cascada 2013 2018 Holden Cascada 2015 2018 from to — — Engine: Transmission: All All Involved Region or Country North America, Europe, Australia, New Zealand Condition Some customers may comment on hearing water sloshing in the right or left quarter panel area when accelerating or stopping and/or seeing water draining form rear wheel well area for a long period of time after vehicle is parked. In some cases, a customer may note that there is water on the floor in the rear of the vehicle. Cause The cause of the condition may be a blocked/clogged rear quarter drain hose or flap, which may allow water to build up in the quarter window cavity. Some examples of the cause of blockage have been found to be: • Drain dust flap painted shut. • Drain clogged by body sealer/foam. • Contaminants or debris blocking the drain hole or hose in the quarter window cavity. Correction Inspect and open blocked quarter drain flap, and drain hose as necessary following the Service Procedure below. Service Procedure Note: The drain hose (shown circled above) runs from the quarter window cavity to the wheel well. A blockage or clog could occur at either end of the hose. 4788754 Copyright 2020 General Motors LLC. All Rights Reserved. Page 2 October, 2020 Bulletin No.: 17-NA-149 4788761 1. On the affected side of the vehicle, remove the forward, lower fasteners and pull back a portion of rear wheelhouse liner to gain access to the quarter drain dust flap (shown at the arrow). Refer to Rear Wheelhouse Liner Replacement in SI. 4788769 4788766 Note: Inspect for, and remove, any paint that may be holding the drain flap (1) shut. 2. Using your finger, flip the drain flap open and watch for water to drain out. • If all water drains out, no further correction is necessary. The rear wheelhouse liner can be reinstalled. • If water did not drain out completely and quickly, reinstall the rear wheelhouse liner, then proceed ahead to step #3. Bulletin No.: 17-NA-149 October, 2020 Page 3 4788774 3. Remove the quarter window regulator (1) in order to gain access to quarter cavity. Refer to Quarter Window Regulator Replacement in SI. 4788781 4788778 4. Inspect for, and clear, any debris that may be blocking the drain in the bottom of the cavity. Capture any debris removed and tag for warranty return. 5. Test the repair by pouring a small amount of water into the drain area to ensure it properly drains out. 6. After cleaning, be sure to reinstall the water barrier before installing the quarter trim. 7. Reinstall the quarter window regulator (1). Refer to Quarter Window Regulator Replacement in SI. Page 4 October, 2020 Bulletin No.: 17-NA-149 Parts Information No parts are required for this repair. Warranty Information For vehicles repaired under the Bumper-to-Bumper coverage (Canada Base Warranty coverage), use the following labor operation. Reference the Applicable Warranties section of Investigate Vehicle History (IVH) for coverage information. Labor Operation Description Labor Time 1480808* Open Blocked Quarter Drain Flap 0.3 hr Add Clear Debris from Hose Drain 0.9 hr *This is a unique Labor Operation for bulletin use only. Version 3 Modified June 23, 2017 – Added Opel/Vauxhall and Holden models. October 13, 2020 – Added 2018 Model Year to Opel/Vauxhall and Holden Models, 2018 and 2019 to Buick Model, repositioned Parts and Warranty Tables. GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See your GM dealer for information on whether your vehicle may benefit from the information. WE SUPPORT VOLUNTARY TECHNICIAN CERTIFICATION