× 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: 97 Pontiac Grand am 2.4l Quad low vac , hi compression
Posted to Technical Discussion Forum on 2/10/2004

[...trimmed text...]

I think Jeef is basing his comment from experience, not numbers out of a book.

If you follow the book on this one and use the value of "minimum 100 psi", it will lead you astray. I have seen where t... Login to read more.