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Fluid Pressure Testing

  1. Disconnect pressure hose from oil pump. See Fig 1 . Bleed air from system. Start engine and let it idle. Turn steering wheel several times until temperature reaches 122°F (50°C). Set engine idle speed to 1000 RPM.
    Fig 1: Pressure Gauge & Shut-Off Valve Connections
    G52831
  2. Close and open valve to measure oil pump pressure. If not within specifications, replace pump. See OIL PUMP PRESSURE SPECIFICATIONS  . Install pressure hose. Bleed system.
CAUTION: DO NOT leave valve on pressure gauge closed more than 10 seconds or damage to oil pump will result.
OIL PUMP PRESSURE SPECIFICATIONS

Application Psi (Kg/cm2 )
Mirage
Valve Closed 640-740 (45-52)
Valve Open (Maximum) 142 (10)
Cordia & Tredia
Valve Closed 782-881 (55-62)
Valve Open (Maximum) 142 (10)
Galant
Valve Closed 906-1004 (64-710
Valve Open 100-142 (7-10)