December 7: GM Engine Class Action Lawsuit Set To Begin news | 5 days ago
December 7: GM 8-Speed Transmission Lawsuit Runs Into Trouble news | 5 days ago
November 23: GM V8 Engine Lawsuit Claims L87 Engines Are Dangerous news | 19 days ago
November 10: GM Fights Fraud Claim in Fuel Pump Class Action Lawsuit news | 32 days ago
November 2: GM Fuel Pump Recall Failed, Says Class Action Lawsuit news | 40 days ago
GMC TSB #22-NA-218
2020 GMC Sierra 3500
TSB Document:
Affected Component: ENGINE AND ENGINE COOLING
- Summary
- This informational bulletin advises the technician on normal noises produced by the engine and to explain this to the customer.
Click a tab for more information.




