× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: '09 Suburban 5.3 'LC9' flex random engine knock
Posted to Technical Discussion Forum on 10/7/2017

[...trimmed text...]

or a poorly designed lifter/lubrication combo. seems like there are too many problems involving all makes that use cam position/afm engines .

oh well , job security......

Login to read more.