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Steering Pump Pressure

  1. Install Pressure Gauge (J-5176) and Adapter (J-35465) between steering gear and power steering pump. Connect pressure gauge on pressure line with shutoff valve at steering gear housing.
  2. Fill fluid reservoir, and open shutoff valve. Bleed air from system. See HYDRAULIC SYSTEM BLEEDING  under LUBRICATION.
  3. Ensure fluid level is correct and fluid temperature is about 176°F (80°C). Start engine, and allow it to idle. With wheels facing straight ahead, close shutoff valve for less than 10 seconds and note pressure reading. Open shutoff valve.
    CAUTION: DO NOT  close shutoff valve for more than 10 seconds or damage to system components may result.
  4. If pressure is less than 924 psi (65 kg/cm2 ), repair or replace power steering pump. With shutoff valve open, check and record pressure reading at 1000 and 3000 RPM.
  5. Difference between pressure readings should be less than 71 psi (4.9 kg/cm2 ). Repair or replace steering gear if difference exceeds specification.
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