Mattax said As Dana wrote and the MTSC explains, the 'leak' is in the design. Master Technician Service Conference - Chrysler's Training for Mechanics With the Chrysler systems at that time, they only become pressurized when there is vapor pressure. View attachment 1716545073 View attachment 1716545074 View attachment 1716545075OK, Tech. Set me straight. View attachment 1716545076 View attachment 1716545077 Click to expand...