Air Conditioning (A/C) Pressure Relief Valve: Notes

WARNING: This page is about a different car, the 2009 Mercury Grand Marquis and 2009 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.

Material

Item	Specification
PAG Refrigerant Compressor Oil (R-134a Systems) YN-12-D	WSH-M1C231-B

Fig 1: Exploded View Of Air Conditioning A/C Pressure Relief Valve With Torque Specifications

Courtesy of FORD MOTOR CO.

Item	Part Number	Description
1	19D644	A/C compressor pressure relief valve
2	-	O-ring seal (part of 19D644)