NHTSA ID Number: 10222784
Manufacturer Communication Number: 21-NA-165
Summary
This service bulletin provides a service procedure to correct a customer concern of a Rattle Noise/Vibration from Under Vehicle.
Cause
This condition may be caused by a crack (2) in the brace (1) used to space the exhaust system.
Correction
If the brace was found to be the cause of the noise or vibration, remove the brace from the exhaust pipe.
– The brace is only used to assist installing the exhaust system at the assembly plant and provides no other purpose.
3 Affected Products
Vehicle
| MAKE | MODEL | YEAR |
| CADILLAC | CT5 | 2020-2022 |
1 Associated Document
Manufacturer Communications
Bulletin No.: 21-NA-165
Date: September, 2022
https://www.nhtsa.gov/recalls?nhtsaId=10222784
MC-10222784-0001.pdf 124.608KB
MC-10222784-0001
- 🛠️【PERFECT SIZE】Perfectly compatible with all 4-1/2 inch(115mm) angle grinders with 7/8 inch(22.2mm) arbor. Thickness:0.045 inch(1.2mm). Operating up to 13,300 RPM.
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- DESIGNED FOR SHARP & CLEAN CUTTING ON - Exclusive top-grade raw materials and 0.04in ultra-thin thickness, optimized the performance of PEGATEC general purpose metal cutting wheels. The resulting fast cutting times keep at a minimum both burr formation and the thermal load both on the workpiece and on the cutting-off wheel. Which means less rework and higher efficiency.
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- 【Size】4-1/2-Inch x .047-Inch x 7/8-Inch
- 【PERFORMANCE】This is for a pack of 50 pieces of our cutting wheels Thin 0.045" cutting wheel design for fast burr free cutting. Perfectly compatible with all 4-1/2 angle grinders with 7/8-inch arbor, operating up to 13,300 RPM and 80M/S
- 【Advantage】Thin .045-Inch wheel design for fast burr free cutting Proprietary aluminum oxide grain combination for aggressive cutting action
- 【MATERIAL】Proprietary aluminum oxide grain for long life and fast cutting.double fiberglass mesh reinforced for further safety and durability
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- Sharp and smooth cutting: The high-quality materials and 0.04-inch ultra-thin thickness make the cutting time of DELUN cut off wheels 4 1/2 inch shorter and the cutting surface cleaner during use, improving work efficiency and eliminating the need for grinding burrs
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- Professional cutting discs: Our 4.5 cut off wheel for metal have passed ISO and MPA certification, the quality is guaranteed, no inferior materials are used, and there is no pungent smell when used. Reminder: Be sure to do a good job of protection before cutting.
- Our mandrel is designed to fit 0.035" to 1/4" thick cut-off wheels
- Includes 10 3-Inch Die Grinder Cut-Off Wheels (Weiler Wolverine 3" x 1/16")
- Lightweight, durable and the perfect die grinder accessory
- Perfect for Carbon Steel, Cast Iron, and General Purpose Metal Cutting
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- 25 Pack Premium Metal Cutting Discs
- 4-1/2" x 1/16" Cut Off Wheel with 7/8" Arbor
- 1/16 Inch (.0625") Thickness for Long Life and Increased Durability
- Compatible with 4.5" Angle Grinder
- Capable of cutting fiberglass, plastic, iron, steel, stainless steel, and other ferrous metals
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- Bates cutting wheel measures 4 1/2" in diameter, 1/21" in thickness, and features a 7/8" arbor hole, ensuring compatibility with most standard cutting tools.
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Last update on 2023-11-29 / Affiliate links / Images from Amazon Product Advertising API
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Copyright 2022 General Motors LLC. All Rights Reserved. Service Bulletin Bulletin No.: 21-NA-165 Date: September, 2022 TECHNICAL Subject: Rattle Noise/Vibration from Under Vehicle Brand: Model: Model Year: VIN: Engine: Transmission: from to from to Cadillac CT5 2020 2022 — — 3.0L (RPO LGY) — Involved Region or Country North America, Europe, Middle East, Israel, Cadillac Korea, China Condition Some customers may comment that a rattle noise/vibration can be heard emitting from under the vehicle. Cause 5873316 This condition may be caused by a crack (2) in the brace (1) used to space the exhaust system. Correction If the brace was found to be the cause of the noise or vibration, remove the brace from the exhaust pipe. – The brace is only used to assist installing the exhaust system at the assembly plant and provides no other purpose. Page 2 September, 2022 Bulletin No.: 21-NA-165 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. Service Procedure Note: Do Not remove the exhaust for this repair. Only lower enough to access the brace. 1. Remove the underbody rear air deflector. 2. Remove the floor panel tunnel panel front brace. 5873315 3. Utilizing a support jackstand or equivalent, support the exhaust system. 4. Remove the exhaust floor brace. 5. Loosen the exhaust pipe clamp. 6. Remove the exhaust flange nuts. 7. Remove the four forward most exhaust hangers. 8. Unplug the SQ valves. 9. Lower the exhaust. 5873317 10. Using care, cut the brace as shown in the graphic above. 11. Re-install exhaust system. 12. Reinstall the floor panel tunnel panel front brace. 13. Reinstall the underbody rear air deflector. 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 4088118* Remove Exhaust Cross Support Brace 1.3 hrs *This is a unique Labor Operation for bulletin use only. Version 2 Modified Released July 16, 2021 Revised September 13, 2022 – Added the 2022 Model Year and an Important statement above Service Procedure. 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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