N232415910 Rear Suspension Bolt Fracture – 2023 Cadillac, Chevrolet, & GMC

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September 20, 2023 NHTSA CAMPAIGN NUMBER: 23V642000

Improperly Heat-Treated Suspension Bolts

A broken suspension bolt can result in misalignment of the rear wheel, increasing the risk of a crash.

 

NHTSA Campaign Number: 23V642

Manufacturer General Motors, LLC

Components SUSPENSION

Potential Number of Units Affected 189

 

Summary

General Motors, LLC (GM) is recalling certain 2023 Cadillac Escalade, Escalade ESV, Chevrolet Suburban, Chevrolet Tahoe, GMC Yukon, and Yukon XL vehicles. The rear suspension outer control arm bolts may not have been properly heat-treated, which can cause the bolts to break.

 

Remedy

Dealers will replace both rear suspension outer control arm bolts, free of charge. Owner notification letters are expected to be mailed November 6, 2023. Owners may contact Chevrolet customer service at 1-800-222-1020; Cadillac customer service at 1-800-458-8006; and GMC customer service at 1-800-462-8782. GM’s number for this recall is N232415910.

 

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

 

Check if your Vehicle has a Recall

 


Condition

General Motors has decided that a defect, which relates to motor vehicle safety, exists in certain 2023 model year Cadillac Escalade and Escalade ESV; Chevrolet Suburban and Tahoe; and GMC Yukon and Yukon XL vehicles. A bolt in the left and/or right rear-suspension outer-camber control arm assembly in these vehicles may not have been properly heat-treated by the supplier. Over time, an improperly heat-treated bolt may weaken and fracture, which can result in misalignment of the rear wheel, increasing the risk of a crash.

 

Correction

Dealers will replace both rear suspension outer control arm bolts.

 

Parts

Quantity Part Name Part No.
2 Rear Suspension Upper Control Arm Outer Bolt 11603317

 

Service Procedure

1. Remove both rear tire and wheel assemblies. Refer to Tire and Wheel Removal and Installation in SI.

2. Remove and replace the Rear Suspension Upper Control Arm Outer Bolt on both sides of the vehicle. Torque the new bolt to 160 Nm (118 lb ft).

Note: It is not necessary to perform an alignment following replacement of these outer bolts.

3. Reinstall both rear tire and wheel assemblies. Refer to Tire and Wheel Removal and Installation in SI.

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Frequently Asked Questions (FAQs) for Safety Recall N232415910
Rear Suspension Bolt Fracture

These questions and answers are being provided to help GM dealers respond to inquiries from involved vehicle owners about the Safety Recall identified above.

 

Q1) Which vehicles are involved?

A1) General Motors has decided that a defect, which relates to motor vehicle safety, exists in certain 2023 model year Cadillac Escalade and Escalade ESV; Chevrolet Suburban and Tahoe; and GMC Yukon and Yukon XL vehicles.

 

Q2) What is the issue or condition?

A2) A bolt in the left and/or right rear-suspension outer-camber control arm assembly in these vehicles may not have been properly heat-treated by the supplier.

 

Q3) What symptoms may be experienced? What warning signs may be associated with the issue or condition described?

A3) None

 

Q4) What is the remedy/repair?

A4) Dealers will replace both rear suspension outer control arm bolts.

 

Q5) What is the safety risk? Is the vehicle safe to drive?

A5) Over time, an improperly heat-treated bolt may weaken and fracture, which can result in misalignment of the rear wheel, increasing the risk of a crash.

 

Q6) Does the customer have to pay for this remedy/repair?

A6) No, this inspection/repair will be done at no cost to the customer.

 

Q7) Is the remedy/repair available now?

A7) Yes, please see the attached bulletin for details.

 

Q8) What should customers do until recall repairs can be completed? Are there any special instructions?

A8) If special instructions are provided, they will be included in the notification letters to customers.

 

Q9) How can customers check to see if their vehicle is involved in this field action?

A9) Customers who own a vehicle involved in the field action will be notified by mail by General Motors, but they may also check their Vehicle Identification Number (VIN) for field actions in GM Owner Center at https://my.gm.com/recalls or via NHTSA’s website at https://vinrcl.safercar.gov/vin/.

 

Q10) If customers are concerned, can they get a rental car or courtesy transportation?

A10) Courtesy transportation is available for customers whose vehicles are involved in this recall and are within the warranty coverage period for the warranty which is associated with this recall. Please refer to Warranty Administration Bulletin #17-NA-073: Field Action Courtesy Transportation Policy for further information.

 


Chronology :

On August 4, 2023, GM opened an investigation into the subject condition after a plant quality manager at GM’s Arlington, TX assembly plant determined that up to 223 vehicles may have received an improperly heat-treated bolt and were not contained at the plant. 189 of these vehicles are in the US. During the investigation, testing and analysis demonstrated that, in the event of a control arm separation, there was a potential for rear wheel misalignment that may affect vehicle handling. GM is not aware of any field incidents related to this condition. On September 13, 2023, GM’s Safety Field Action Decision Authority (SFADA) decided to conduct a safety recall.

 


6 Affected Products

Vehicles

MAKE MODEL YEAR
CADILLAC ESCALADE 2023
CADILLAC ESCALADE ESV 2023
CHEVROLET SUBURBAN 2023
CHEVROLET TAHOE 2023
GMC YUKON 2023
GMC YUKON XL 2023

 


8 Associated Documents

Remedy Instructions and TSB

RCRIT-23V642-7553.pdf 202.502KB

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Recall Acknowledgement

RCAK-23V642-2776.pdf 645.426KB

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Defect Notice 573 Report

RCLRPT-23V642-1770.PDF 216.388KB

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Manufacturer Notices(to Dealers,etc) – Dealer Message re N232415910 – Safety Recall Rear Suspension Bolt Fracture

RCMN-23V642-3576.pdf 189.329KB

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Miscellaneous Document – Frequently Asked Questions (FAQs) for Safety Recall N232415910 Rear Suspension Bolt Fracture

RMISC-23V642-7718.pdf 97.227KB

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Remedy Instructions and TSB

RCRIT-23V642-9360.pdf 146.989KB

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Miscellaneous Document – Frequently Asked Questions (FAQs) for Safety Recall N232415910 Rear Suspension Bolt Fracture

RMISC-23V642-0530.pdf 97.227KB

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Manufacturer Notices(to Dealers,etc) – Dealer Message re REVISION: N232415910-01 – Safety Recall Rear Suspension Bolt Fracture Revised Part, Warranty, Procedure sections

RCMN-23V642-0604.pdf 167.026KB

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Latest Recalls Documents

https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=23V642&docType=RCL

 


 

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