Chevy Automotive Bulletins

7 Warning Signs Your LLY Duramax Injectors Are ...

Catching bad LLY Duramax injectors early can help prevent bigger problems down the road. A failing injector can affect performance, damage pistons, contaminate engine oil, and leave you stranded if...

7 Warning Signs Your LLY Duramax Injectors Are ...

Catching bad LLY Duramax injectors early can help prevent bigger problems down the road. A failing injector can affect performance, damage pistons, contaminate engine oil, and leave you stranded if...

Duramax (LB7) Injector Removal and Installation

"Start by removing the lower valve cover. Carefully watch for debris as fuel injector lines are removed. It is possible for debris to fall into these openings/fittings. Remove any debris...

Duramax (LB7) Injector Removal and Installation

"Start by removing the lower valve cover. Carefully watch for debris as fuel injector lines are removed. It is possible for debris to fall into these openings/fittings. Remove any debris...