GM has issued a product recall for certain examples of 2021 and 2022 Chevy Low Cab Forward (LCF) 4500, 5500 and 6500 models due to an issue related to potentially faulty hex flange lock nuts.
The problem: affected vehicles fitted with faulty hex flange lock nuts, which were used in the suspension and steering joints, were improperly heat treated and pose an increased risk of breaking.
The hazards: if the hex flange lock nut breaks, it can cause a loss of tension, leading to increased steering instability, and increasing the potential risk of a crash.
The fix: certified GM technicians will be instructed to inspect hex flange lock nut and replace them as necessary. The repairs will be performed free-of-charge to the customer.
Affected components: hex flange lock nut.
- 2021 Chevy LCF 4500 HD
- 2022 Chevy LCF 4500 HD
- 2021 Chevy LCF 4500 XD
- 2022 Chevy LCF 4500 XD
- 2021 Chevy LCF 5500 HD
- 2022 Chevy LCF 5500 HD
- 2021 Chevy LCF 5500 XD
- 2022 Chevy LCF 5500 XD
- 2022 Chevy LCF 6500 HD
Number of affected vehicles: GM believes there to be 5,861 total affected vehicles with this issue.
Owners should: GM will notify owners of affected vehicles and instruct them to make an appointment with their dealer. Owner notification letters are expected to be mailed January 9th, 2023. Any owners that are unsure whether or not their vehicle is affected by this recall can visit my.gm.com/recalls and type in their VIN to see any open recalls or other actions that may be active on it. Owners can also reach out to Chevy or the National Highway Traffic Safety Administration (NHTSA) directly with any questions or concerns they may have using the recall number and contact information included below.
- GM recall number: N222391080
- Chevrolet Customer Service: 1-800-222-1020
- NHTSA Campaign Number: 22V874000
- NHTSA (toll-free number): 1-888-327-4236