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Home >> Mitsubishi >> 1984 >> Montero Base >> Repair and Diagnosis >> Steering >> Power Steering >> Steering System - Power >> Testing >> Fluid Pressure Testing
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Fluid Pressure Testing

  1. Remove pressure hose from oil pump and attach Pressure Gauge Adapter (C-3309-E ). Tighten to 22-29 ft. lbs. (30-39 N.m).
  2. Start engine and place thermometer in reservoir. Close the gauge valve fully 3 times to bleed air from gauge. Check fluid level and add if necessary.
  3. When oil temperature reaches 170°F (76.6°C) for Pickups, or 122°F (50°C) for all other models, check pressure.
  4. With valve closed, Pickup and Montero pumps should read 1099-1200 psi (77-84 kg/cm2 ). All other pumps pressure should be 1067-1210 psi (75-85 kg/cm2 ).
  5. Valve open pressure for both types of pumps should be 142 psi (10 kg/cm2 ) or less. Reinstall pressure hose, taking care not to twist hose or interfere with adjacent parts.
CAUTION: Do not keep shut-off valve closed more than 3 seconds at a time. Do not keep steering wheel turned more than 10 seconds at a time.
Fig 1: Exploded View of Power Steering Pump Type "A" shown, used on Pickup models with 2.6L engine.
G50515
Fig 2: Exploded View of Power Steering Pump Type "B" shown, used on all other models.
G50516
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