2020 Gm Buy Back Silverado Sierra Major Engine Issue Well gm seems to be having more engine issues. they have announced they will be buying back 2020 diesel equipped trucks and replacing them with new 2022 mod. Sponsored links. gm authority has learned that gm intends to buy back certain chevy silverado hd and gmc sierra hd units back from customers due to apparent quality issues with the 6.6l l5p v8.
Gm Duramax Engine 2020 Chevrolet Silverado Youtube Gm is buying back an unknown amount of both chevy silverado and gmc sierra pickups with diesel engines. it has not indicated the number of trucks involved in the buyback. also unknown are the years the issue is affecting. what we do know is that the problem involves quality issues surrounding the 6.6 liter l5p v8 duramax turbo diesel engine. By artie maupin april 17, 2022. while surfing the web, we found where gm authority reported on some serious news about gm’s duramax powered heavy duty trucks. gm is intending to buy back certain chevrolet silverado and gmc sierra hd trucks from their customers due to apparent quality issues with the newest version of the 6.6 liter duramax. Major engine issues include an engine rebuild or replacement, cylinder head problems, head gasket problems, turbocharger or supercharger problems, and timing chain or timing belt problems. overall. Gm replaced the motor in my 2020 silverado 6.2 at 10k. the new engine now has almost 10k on it and so far everything is working great. my sierra had 31 issues and some major ones (motor.
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