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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
MC-10222784-0001.pdf 124.608KB
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- 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
- Precise & Quickly: 0.045 inch ultra thin design for fast burr free and precise cutting perforamce with minimal material loss
- Safety - Avoid Wheel Shatter: Metal cutting discs are made of aluminum oxide grains. More safe than other wheels that may shatter or prematurely wear. Wear all applicable safety gear when using these discs (eyes/ears/face/hands/body/etc)
- Durable: Bonded with corundum and white alundum grain and reinforced by double fiberglass mesh, these cutting discs perform much more aggressive cutting longer, faster and reliably than other wheels that may shatter or prematurely wear
- Multiple Use: Cutting discs are designed for hard and continuous use on all metal, fiberglass, iron, plastic, steel and stainless steel parts including rebar, steel pipe, structural & galvanized steel, sheet metal, structural tubing and other ferrous metals for aggressive cutting action
- More Cuts. Fewer Wheels.TM
- 50% Longer Life* Replace wheels less often with Temper Point grains that are tougher and razor sharp for more cuts. Better adhesion between the coated grains and resin creates a longer lasting cutting edge that wears slowly.
- Extremely Versatile: Efficiently cut a wide range of metals including carbon steel, stainless and nickel-based alloys.
- Aggressive Cutting Action: Make fast cuts with a thin wheel design and high-grain concentration.
- Durable By Design: Built with two sheets of fiberglass for wheel strength. Designed to reduce wheel breakage.
- Size :4-1/2-inch x .047-inch x 7/8-inch
- Performance: this is for a pack of 200 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
- Safety tips: please use all necessary protective gear when you use these cutting discs.if there is any problem with the product, please contact us to help you solve the after-sales problem
- “ 4 1/2 GRINDING WHEELS: Benchmark Abrasives cutoff wheels featuring a 4-1/2" diameter and 7/8" arbor, are Ideal for cutting metal, steel, pipes, tubes, stainless steel, cast iron, rebar and much more abrasive operations. Achieve clean, precise cuts for general metal fabrication with our cut-off wheels.
- FLAT DESIGN FOR OPTIMAL GRINDING: Our high-performance Type 1 cutting wheels are completely flat, making them perfect for grinding operations. The metal cutting disc is made of aluminum oxide grains for consistent, sharp, burr-free cutting. Optimize your grinding tasks using these grinder wheels with ease and efficiency.
- EFFICIENT GRINDER WHEEL: Our professional metal cut off wheel excels in various cutting operations on stainless steel, aluminum, and other metals. With high efficiency these cutting wheels 4 1/2 inch in size deliver up to 13,000 RPM and ensure smooth, vibration-free cuts. Get a high cutting rate and lower operational costs.
- MULTIPLE APPLICATIONS & COMPATIBILITY: The cutoff wheel is compatible with 4-1/2 inch and 5 inch angle grinders, as well as die grinders, high-speed saws, stationary saws, and chop saws. Crafted from high-speed steel material, the grinder disc is designed to last. This angle grinder metal cutting disc fits Dewalt, Milwaukee, Makita, Bosch, Metabo, Ryobi, Black & Decker, Kobalt, Craftsman, Skil, Porter Cable, Ridgid, 4-½ & 5 inch angle grinders, and virtually all other brands.
- CUT OFF WHEEL YOU CAN TRUST: Our 4.5 inch cut off wheels are manufactured with premium materials that exceed ANSI and EU European standards. We are dedicated to delivering high-quality cut-off wheels to our customers. Your satisfaction is our priority and the lifeline of our brand. Enjoy the confidence of using angle grinder attachments that professionals trust.
- Thin . 045-Inch wheel design for fast burr free cutting this are easy to use
- This are highly durable this is manufactured in China
- Proprietary aluminum oxide grain combination for aggressive cutting action
- Proprietary material mix ensures durable long life wheels 2 full sheets of fiberglass for durability and safety
- Fast burr free cutting set of 10
- [Diamond Technology] 1 equals 100, EZARC diamond cut off wheel delivers 5,000+ more cuts for metal with much lower cost per cut compared to bonded cut-off wheels
- [All in 1 Metal Solution] Ideal for dry cutting of metal, rebar, iron, alloy steel, aluminum, different types of pipes and sheet metal with over 100X longer life than bonded cutoff wheels in metal cutting applications
- [Avoid Injury] Solid steel wheel body greatly reduces risk of shatter and injury for added safety, increased productivity. The metal cutting disc is 100% contaminant-free, it does not wear down like bonded abrasives reducing dust particles for a cleaner work station
- [Industrial Quality] Quality Assured accurate cutting PERFORMANCE, PRECISION, LONGEVITY, STABILITY & INTEGRITY, cutting Longer, Faster and Reliably than other wheels that may shatter or prematurely wear
- [Accurate Cutting] This cut-off wheel for metal maintains original wheel diameter throughout the life of the blade for better control and precision cutting
- VERSATILE CUTTING PERFORMANCE: The Benchmark Abrasives 6 inch cut off wheels for metal with a 7/8" arbor is perfect for cutting metal, steel, metal pipes, tubes, flat sheets, shipbuilding, rail, and general metal fabrication. Experience precision in every cut with our expertly designed angle grinder cutting disc. Used by craftsmen and DIY enthusiasts these grinding wheels meet all your needs with ease.
- QUALITY CUTTING WHEEL: The professional Type 1 angle grinder metal cutting disc is completely flat and suitable for grinding operations. The grinder wheels are designed to be your versatile companion. This grinder cutting wheel provides consistent, sharp, burr-free cuts without compromising hardness. The durable cut off wheel tool maintains its integrity even after extensive use, ensuring your projects are completed smoothly.
- PRECISION ENGINEERING, SMOOTH CUTS: Cutting operations with our professional metal cut off wheel is efficient for stainless steel, aluminum, and other metals. With an impressive RPM of 11000, this grinder cutting wheel offers smooth cuts and minimal vibrations during use. Boost your productivity with a high cutting rate cutting disc that ensures cost-effectiveness with every cut.
- MULTIPLE APPLICATIONS & COMPATIBILITY: Compatible with angle grinders, die grinders, high-speed saws, & more, these cutting discs for angle grinder have many uses. Crafted from high-speed steel material, the cut off wheel is designed to last through the toughest projects. The Benchmark Abrasives 6 inch cutting disc fits Dewalt, Milwaukee, Makita, Bosch, Metabo, Ryobi, Black & Decker, Kobalt, Craftsman, Skil, Porter Cable, Ridgid 6” angle grinders and virtually all other brands.
- CUTTING WHEELS YOU CAN TRUST: Our 6 inch grinding wheel is manufactured with premium materials that exceed ANSI and EU European standards. We are dedicated to delivering high-quality cut-off wheels to our customers. Your satisfaction is our priority and the lifeline of our brand. Enjoy the confidence of using angle grinder attachments that professionals trust.
- 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
- Click on the Weiler link at the top of this page to learn more about our 4th generation family-owned company headquarted in Cresco, PA
- 【50 PACK】This is for a pack of 50 pieces of our cutting wheels. Outer diameter:4.5inch inside diameter:7/8 inch, operating up to 13,300 RPM. optimized for 4.5"angle grinders. 3" 3/8 arbor new product available
- 【MATERIAL】Proprietary aluminum oxide grain for long life and fast cutting.double fiberglass mesh reinforced for further safety and durability
- 【PERFORMANCE】Skinny 0.045" cutting wheel design for fast burr free cutting. Perfectly compatible with all 4 1/2 inch angle grinders with 7/8-inch arbor, operating up to 13,300 RPM and 80M/S
- 【APPLICATION】Tough abrasive cutting discs are perfect for super-fast, clean cutting in carbon steel, stainless steel, pipe, cast iron, copper and other ferrous metals
- 【SAFETY TIPS】Please use all necessary protective gear when you use these cutting blade
- 【Long Lasting Discs】Our metal cutting disc is made of iridium-plated white corundum, so our cut-off wheel has 2 times the cutting life of a normal cutting wheel. These cutting discs are made by a special process of alumina abrasive to ensure extra toughness, sharpness, and durability
- 【Great Performance】The ultra-thin design of 0.45inch thickness cutting off wheels provides fast, precise, and clean cutting performance with minimal burrs and material waste
- 【Versatile Applications】Tough abrasive cutting discs are ideal for super-fast, clean cutting in carbon steel, stainless steel, iron, copper, and all other ferrous metals
- 【Perfect Size】The cutting wheels are suitable for most angle grinders-compatible with all 4.5" angle grinders and 7/8" arbor, operating speeds up to 13,300 RPM and 80M/S
- 【Reliable Safety】EZARC metal cutting discs comply with international standards and safety requirements such as EN 12413, ASM07. Please wear suitable protective equipment during use 4.5 cutting wheels and do not exceed the specified maximum speed
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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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