GM has issued a Service Update for certain 2022 Chevy Silverado HD trucks over an issue related to the crankshaft balancer.
The hazards: the GM Service Update document did not indicate what conditions this particular problem may lead to, but an engine with an improperly installed crankshaft balancer may be prone to experiencing harsh vibrations and premature wear and tear, among more.
The fix: GM has instructed dealership technicians to replace the crankshaft balancer on affected vehicles. These repairs will be performed at no cost to the vehicle owner.
Affected components: crankshaft balancer, crankshaft front main seal, crankshaft balancer bolt, A/C belt.
- 2022 Chevy Silverado HD (equipped with 6.6L L8T V8 gasoline engine only)
Number of Affected vehicles: only five vehicles are believed to be affected by this field action.
Owners should: GM will notify owners of affected vehicles and instruct them to make an appointment with their dealer. Owners that are unsure whether or not their vehicle is affected by this service bulletin can reach out to GM directly with any questions or concerns they may have using the Service Update number and contact information included below.
- Service Update number: N222370060
- Chevrolet Customer Service: 1-800-222-1020
GM also recently issued a recall for the 2022 Chevy Silverado Medium Duty for an issue related to the brake lines, along with a separate recall to address an issue related to the 2015-2016 model-year Chevy Silverado’s roof rail airbags. The Chevy Silverado HD is produced at the GM Flint plant in Michigan, while the light-duty Chevy Silverado 1500 is produced at the GM Silao plant in Mexico, the GM Fort Wayne plant in Indiana, and the GM Oshawa plant in Canada.