The Recall Desk
HighNHTSA·22V874000·Announced 2022-11-23

2021-2022 Chevrolet Heavy-Duty Trucks Recalled for Suspension Lock Nut Defect

General Motors is recalling 2021-2022 Chevrolet 4500HD/5500HD/6500HD and XD models due to improperly heat-treated hex flange lock nuts in suspension and steering joints. The defective nuts may break, causing steering instability and increasing crash risk.

What this means for you

Real risk of harm even if no illness or injury has been reported yet. Stop using the product and follow the agency's guidance.

Our severity reasoning: This defect affects critical vehicle systems (suspension and steering) with risk of steering instability and crash. The source uses theoretical language ('may break', 'may cause') and contains no reports of injuries or incidents. Per the rubric, this is a risk-of-harm product where injury has not been reported, scoring 3 (High).

Plain-English summary

General Motors is recalling certain 2021-2022 Chevrolet 4500HD, 4500XD, 5500HD, 5500XD, and 6500HD vehicles. The hex flange lock nuts used in suspension and steering joints were improperly heat treated and may break.

If the lock nuts break, loss of tension may occur in the suspension and steering joints. This could lead to steering instability and increase the risk of a vehicle crash.

Owners should contact a Chevrolet dealer to have the hex flange lock nuts replaced at no cost. For assistance, owners may call Chevrolet at 1-800-222-1020 or the NHTSA Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153). Additional information is available at www.nhtsa.gov. The NHTSA campaign number is 22V874000, and General Motors' recall number is N222391080.

The recalled product

Product
CHEVROLET 4500HD, 5500XD, 4500XD, 6500HD
Brand
CHEVROLET
Manufacturer
General Motors, LLC
Category
Vehicle — Commercial truck suspension/steering
Hazard
Affected units
5,861

Is your product affected?

Check your packaging against the codes below. If any of them match, the product is part of this recall.

Model numbers (5)

  • 4500HD
  • 5500XD
  • 4500XD
  • 6500HD
  • 5500HD

Distribution

Distributed nationwide across the United States.

Related recalls

Same brand · CHEVROLET

Same manufacturer · General Motors, LLC

See all →

Same hazard · steering instability

See all →