Just bought an '04 with the 4.8 with 155,000 on it. Truck looks and runs great but I noticed that when I run the A/C, there is an intermittent noise coming from the rear of the truck. It sounds like a pressure relief valve is releasing pressure in short bursts...A/C is blowing cold but I am...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.