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September 28, 2018 Service bulletin

Special Coverage

GMC technical service bulletin 18236 for 2015-2016 GMC Sierra 1500 and 2015-2016 Chevrolet Silverado 2500.

Bulletin number
18236
Component
Engine and engine cooling: engine: gasoline: turbo/supercharger
Summary
18236 - Special Coverage - On some vehicles, equipped with the LML (DURAMAX 6.6L V8 TURBO Diesel) engine, the exhaust turbocharger outlet pipe may have a bad weld. Smoke may be noticed from under the hood at a stop or while driving. The customer may also smell exhaust gas. Dealers are to replace the exhaust turbocharger outlet pipe. The repairs will be made at no charge to the customer.

Owners of these vehicles have filed 146 complaints in the engine category.

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