I've checked pressures with the engine warmed up and holding 1500-1800 rpm for about a minute. I'm reading 35psi and 175psi at 68 deg ambient.

Thanks for the response. The pressures were at engine idle. I will have a chance to remeasure next week and report.

Year: 2000 Make: VW Model: Eurovan Engine Size: 2.8 Refrigerant Type: R-134A Ambient Temp: 70 Pressure Low: 50 Pressure High: 180 Country of Origin: United States Only getting 6 deg temp drop from ambient out of the ducts. Noted that the high pressure valve is leaking when I remove the cap, but cap ...