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Home >> Mazda >> 2002 >> Tribute LX, 4WD >> Repair and Diagnosis >> Steering >> Power Steering >> Power Rack & Pinion >> System Tests >> Hydraulic System Pressure >> Pump Fluid Pressure Test

Pump Fluid Pressure Test

  1. Disconnect pressure line from steering pump. Connect pressure gauge/valve between steering pump and steering gear. See Fig 1. Bleed air from system.
  2. Completely open valve. Start engine and operate at idle. Turn steering wheel from lock to lock to increase fluid temperature to 122-140°F (50-60°C). To measure pump fluid pressure, close gauge valve completely.
    3. CAUTION: Do not leave gauge valve closed for more than 15 seconds, or pump may be damaged.
  3. Increase engine speed to 1000-1500 RPM. Measure oil pump fluid pressure. Ensure pump pressure is within specification. See HYDRAULIC SYSTEM FLUID PRESSURE SPECIFICATIONS  table. If pressure is not within specification, replace pump.
Fig 1: Connecting Pressure Gauge/Valve (Typical)
G00006485Courtesy of MAZDA MOTORS CORP.
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