My 2005 HR Endeavor is leaking air, about 6o lbs over a 4 hour period. I have tried soapy water on everything that looked like a air valve or air hose with no luck. Took it to a mechanic and he tried...
Thanks for the info. Where was the ball valve located and how did you determine it was the ball valve. My mechanic is going to try isolating different areas tomarrow.