× 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: Brake booster assist pump
Posted to Technical Discussion Forum on 4/13/2021

[...trimmed text...]

Vacuum pump that assists the power brake booster. Vacuum pump wears out, gets weak, sets error message.

I've found them from AC Delco. A Google search will find it, or a call to your local GM deale... Login to read more.