Mighty Mouse PCV Catch can review/install | Chevy Colorado Diesel Forum
Is it normal to see oil buildup around the intercooler pipe on a 2.8 Duramax? Stock Colorado ZR2, less than 20k miles. More photos in comments. : r/MechanicAdvice
First Look: GM's 2.8L Duramax - Diesel World
Colorado 2.8L Duramax Diesel Details Released | Hard Working Trucks