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

WARNING: This page is about a different car, the 2009 Mercury Milan, 2009 Lincoln MKZ, and 2009 Ford Fusion. 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 Specification

Courtesy of FORD MOTOR CO.

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