LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mercury >> 1976 >> Capri II Base, 2.8L Eng, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Ported Vacuum Switches >> Operation >> Two Port PVS
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Two Port PVS

The two port PVS is a vacuum on or vacuum off device depending on engine coolant temperature. When coolant temperature is below PVS temperature range, vacuum is shut off. When coolant temperature is above PVS temperature range, vacuum will pass through PVS.

Fig 1: Cutaway View of Two Port PVS
G09313242Courtesy of FORD MOTOR CO.
scientia non olet · About LEMON Manuals