Wet Headliner and/or Carpet on the Driver Side of the Vehicle, Water Leak at Front Roof Ditch, A-pillar Area – 2022 Chevrolet Silverado MD 4500HD, 5500HD, 6500HD

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Copyright 2022 General Motors LLC. All Rights Reserved. Service Bulletin Bulletin No.: 22-NA-194 Date: October, 2022 TECHNICAL Subject: Wet Headliner and/or Carpet on the Driver Side of the Vehicle, Waterleak at Front Roof Ditch, A-pillar Area Brand: Model: Model Year: Date Breakpoint: Engine: Transmission: from to from to Chevrolet Silverado MD 4500HD, 5500HD, 6500HD 2022 2022 March 28, 2022 July 22, 2022 All All Involved Region or Country United States Additional Options (RPOs) Condition Some customers may comment on seeing a wet headliner, and/or carpet on the driver side of the vehicle. Cause 6161345 The cause of the condition may be that roll on sealer applied along the roof ditch near the A-pillar may have voids within the sealer, allowing for a water leak into the vehicle. Correction Inspect driver front roof ditch area near the A-pillar for voids in the sealer and repair following the steps in the Service Procure below. Page 2 October, 2022 Bulletin No.: 22-NA-194 Service Procedure Important: Service agents must comply with all International, Federal, State, Provincial, and/or Local laws applicable to the activities it performs under this bulletin, including but not limited to handling, deploying, preparing, classifying, packaging, marking, labeling, and shipping dangerous goods. In the event of a conflict between the procedures set forth in this bulletin and the laws that apply to your dealership, you must follow those applicable laws. 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. Avoiding excess sealer build up within the ditch, work a small amount of the sealer into the hole with a gloved finger. 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. 4. Clean and dry any wet trim. Refer to Floor Carpet Drying in SI. 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. Causal Part Description Part Number Material Allowance N/A Kent Automotive High-Tech™ Clear Seam Sealer P10200 $3.80 Wurth Euroseal Gel Clear (5 oz/ 148 ml)* 18920104 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 0588698* Apply Sealer at Driver Side Roof Ditch, A-pillar Area 0.3 hr *This is a unique Labor Operation for bulletin use only. Version 1 Modified Released September 29, 2022 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

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