Water Leak into Interior, and/or Various Electrical Concerns, Liftgate Actuator Noisy or Inoperative – 2017-2021 Cadillac GMC

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Service Bulletin Bulletin No.: 19-NA-167 Date: May, 2021 TECHNICAL Subject: Water Leak into Interior and/or Various Electrical Concerns, Liftgate Actuator Noisy or Inoperative Brand: Model: Model Year: Date Breakpoint: Engine: Transmission: from to from to Cadillac XT5 2017 2021 — — All All Cadillac XT6 2020 2021 GMC Acadia (VIN N) 2017 2017 Acadia 2018 2021 Involved Region or Country North America, Russia, Israel, Palestine, Japan, Cadillac Korea (South Korea), Europe, Middle East Condition Some customers may comment on seeing water leak into the interior, or wet carpet. This condition could occur at either the front and/or rear, and on the right and/or left side. Some electrical concerns or issues may occur such as power locks cycle or are inoperative after a car wash or rain in the XT5 and Acadia, or the liftgate actuator may be noisy or inoperative in an XT6. Cause The cause of the condition may be possible “pin hole” voids in the roof panel to outer ring laser braze and seam sealer. The pin holes are most commonly found near the top of the windshield at the A-pillars, or the top of liftgate near the D-pillars. Examples of the leak areas are shown below. Possible Front Laser Braze Water Leak Areas (1) 5379776 Page 2 May, 2021 Bulletin No.: 19-NA-167 Possible Rear Laser Braze Water Leak Areas (2) 5379781 Correction Following the Service Procedure below, inspect the forward and rear laser braze corners of the roof ditch, at the upper windshield and rear liftgate areas. Service Procedure 4233899 5379785 Note: The pin holes/cracks may be more difficult to see on darker color finishes. A front and rear example of a visible pin hole are shown in the graphics above. Bulletin No.: 19-NA-167 May, 2021 Page 3 5380244 1. Visually inspect the front right and left roof laser braze, then the rear right and left roof laser braze, for pin holes or a crack. 2. Seal the holes/crack in any laser braze area following the steps below: 2.1. Mix a small amount of Kent® High-Tech Seam Sealer Clear P10200, or Wurth Euroseal Gel Clear 18920104, or equivalent WITH the proper touch-up paint color. 2.2. Avoiding excess sealer build up within the ditch, work a small amount of the sealer into the hole with a gloved finger. 2.3. Wipe away any excess sealer with a light amount of solvent on a rag or paper towel. The solvent will help the sealer flow into the hole/crack. 3. Clean and dry any wet trim. Refer to Floor Carpet Drying in SI. 4. Address and repair any electrical concerns as necessary. Parts Information * We believe this source and their products to be reliable. There may be additional manufacturers of such products/materials. General Motors does not endorse, indicate any preference for, or assume any responsibility for the products or material from this firm or for any such items that may be available from other sources. Contact Kent Automotive at 1-888-YES-KENTor online at www.kent-automotive.com. Contact Wurth though website www.wurthusa.com, by e-mail at www.customer.service@wurthusa.com, or by calling 1-800-987-8487. In Canada, contact Wurth though their website at www.wurth.ca/, by e-mail at info@wurth.ca, by calling 1-800-263-5002, or your local Wurth representative. Causal Part Description Part Number Material Allowance N/A Kent Automotive High-Tech™ Clear Seam Sealer P10200 $2.30 US / $3.45 Wurth Euroseal Canada Gel Clear (5 oz/148 ml)* 18920104 (892.0104 in Canada) PAINT, TOUCHUP TUBE See EPC N/A 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 0580448* Apply Sealer at Laser Braze – One Location 0.3 hr Add Apply Sealer at Laser Braze – Each Additional Location (Maximum of 3) 0.2 hr *This is a unique Labor Operation for bulletin use only. Page 4 May, 2021 Bulletin No.: 19-NA-167 Version 5 Modified Released July 29, 2019 Revised October 15, 2019 – Updated Breakpoint, removed Holden Acadia Model and removed Australia/New Zealand from Involved Region or Country section. Revised November 07, 2019 – Removed Breakpoint and added 2020 Model Year. Revised April 15, 2021 – Added the 2021 Model Year. Revised May 03, 2021 – Added Option of Additional Sealer Supplier.
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