Legacy Sedan 4WD F4-2.2L SOHC (1992)
Hill Holder: Testing and Inspection
OPERATION
Fig. 16 Hill Holder (PHV) Valve
Fig. 17 Hill Holder Installation
The Hill Holder is essentially a Pressure Hold Valve (PHV), Fig. 16, built into one brake circuit, that maintains hydraulic pressure in the brake
circuit when the vehicle is facing uphill and the clutch pedal is depressed, Fig. 17.
The PHV lever, Fig. 16, is connected through a linkage to the clutch pedal and controlled by a camshaft which provides the motion to the PHV
driveshaft. The PHV driveshaft controls the clearance between the PHV inertia controlled ball and seal.
Fig. 18 Hill Holder Activated
