× 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: '07 Tahoe 5.3L engine chirp noise
Posted to Technical Discussion Forum on 10/25/2014

[...trimmed text...]

Sure sounds like a pitted cam and lifter to me. Common in the 5.3.

Login to read more.