Gear Fluid Pressure Test

Ensure pump pressure is within specification. To measure steering gear fluid pressure, open gauge/valve completely.
Increase engine speed to 1000-1500 RPM. Turn steering wheel from lock-to-lock. See HYDRAULIC SYSTEM FLUID PRESSURE SPECIFICATIONS . If steering gear fluid pressure is less than specification, steering gear is defective.

HYDRAULIC SYSTEM FLUID PRESSURE SPECIFICATIONS ⁽¹⁾

Application

Pressure psi (kg/cm² )

2-Wheel Steering

1067-1138 (75-80)

4-Wheel Steering

Front

1181-1280 (83-90)

Rear

More than 427 (30)

⁽¹⁾	Measured at 1000-1500 RPM. DO NOT leave valve closed for more than 15 seconds.

Fig 1: Connecting Pressure Gauge (All Except 4-Wheel Steering)

Courtesy of MAZDA MOTORS CORP.