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Line Pressure Test

  1. Road test vehicle to bring transmission to normal operating temperature. Connect pressure gauge to front plug on transmission. Fig 1 Place gauge so that it is visible from driver's seat. Connect tachometer to engine.
    Fig 1: Transmission Case Pressure Test Port Locations
    G96E15002Courtesy of VOLVO CARS OF NORTH AMERICA.
  2. Start engine and if necessary, adjust idle speed to 900 RPM (1000 RPM on I-Mark). Depress brake pedal and place selector lever in "D". Note line pressure reading on gauge. Pressure should be approximately as shown in Fig 2 .
  3. Repeat line pressure test with selector lever in "R". Pressure should be approximately as shown in Fig 2 .
Fig 2: Line Pressure Specifications
G00274080Courtesy of ISUZU MOTOR CO.
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