Pressure Test (Except Montero & Vehicles With ABS)

Connect pressure gauges to input and output ports of proportioning valve. See Fig 1. Bleed brake system. See BLEEDING BRAKE SYSTEM .

Fig 1: Connecting Pressure Gauges To Proportioning Valve
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Slowly depress brake pedal. Check readings on pressure gauges. Ensure output pressure begins to drop relative to input pressure at specified pressure range (split point). See SPLIT POINT PRESSURE SPECIFICATIONS table.

SPLIT POINT PRESSURE SPECIFICATIONS

Application		psi (kPa)
Eclipse
2.4L Engine		537-609 (3700-4200)
3.0L Engine		464-537 (3200-3700)
Galant
2.4L Engine		533-604 (3700-4200)
3.0L Engine		391-462 (2700-3200)
Lancer		390-463 (2690-3190)
Mirage		320-392 (2200-2700)
Montero Sport
15 Inch Wheels		356 (2452)
16 Inch Wheels		498 (3432)

Continue depressing brake pedal, and check readings on pressure gauges. See PROPORTIONING VALVE PRESSURE SPECIFICATIONS table. If fluid pressures or split point are not within specification, replace proportioning valve.

PROPORTIONING VALVE PRESSURE SPECIFICATIONS

Application	Inlet Pressure - psi (kPa)	Outlet Pressure - psi (kPa)
Eclipse
2.4L Engine	1422 (9800)	725-841 (5000-5800)
3.0L Engine	1422 (9800)	667-783 (4600-5400)
Galant
2.4L Engine	1422 (9800)	725-841 (5000-5800)
3.0L Engine	1422 (9800)	619-732 (4300-5100)
Lancer	995 (6860)	532-605 (3670-4170)
Mirage	1422 (9800)	566-680 (3190-4690)
Montero Sport
15 Inch Wheels	853 (5884)	512-568 (3526-3918)
16 Inch Wheels	853 (5884)	601-657 (4114-4536)