General Motors (GM)* has issued a safety recall bulletin (N25249001) for certain vehicles equipped with the 6.2-liter V8 gas engine (RPO L87), including model year 2021-2024 Cadillac* Escalade* and Escalade ESV; Chevrolet* Silverado* 1500, Suburban* and Tahoe;* and GMC* Sierra* 1500, Yukon* and Yukon XL vehicles remaining in dealership inventory.
According to GM, the connecting rod and/or crankshaft in these vehicles may have manufacturing defects that can lead to engine damage and engine failure that may cause the vehicle to lose propulsion, increasing the risk of a crash.
GM is recommending its dealers inspect the engine of any affected vehicle in their inventory and change the engine oil in engines that have passed their inspection procedure to a 0W-40 that meets the dexos* R standard.
At this time, we have not been informed of any consumer recalls by GM related to this issue. Until you/your customers have been contacted by GM indicating your vehicle has been affected by this manufacturing defect, the best way to ensure warranty coverage remains intact is to continue using 0W-20 motor oil. Simply increasing viscosity will not repair mechanical defects; however, if your engine has passed the inspection procedure and GM has recommended you switch to 0W-40, you should expect excellent protection but may also experience slightly higher engine oil pressure. To ensure we cover vehicles that have and have not been affected by this manufacturing defect, we will now list 0W-20 and 0W-40 motor oils for this engine in the vehicle lookup along with the following message:
GM has issued a safety recall bulletin N252494001 (RCRIT-25V274-8641.pdf) for 2021-2024 6.2L gasoline engines that could affect your engine oil viscosity selection. Where appropriate, AMSOIL Signature Series 100% Synthetic Motor Oil (AZF) 0W-40 is the correct oil for these vehicles. For further assistance, please contact AMSOIL Technical Services at 715-399-8324.
As an AMSOIL Dealer, you probably know that 0W-40 is not a widely recommended viscosity, and adding the dexos R performance standard further reduces the number of available products on the market. This is a great opportunity for you to access new customers as AMSOIL Signature Series 0W-40 Synthetic Motor Oil (AZF) is one of only a few products suitable for this application and is an excellent recommendation for vehicles that GM indicates now require a 0W-40. We will continue to watch this issue closely and provide further updates regarding AMSOIL product recommendations as information becomes available.
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