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Home >> Nissan-Datsun >> 2002 >> Sentra SE-R, Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle Re4F04B >> Trouble Diagnosis - Basic Inspection >> Line Pressure Test >> Line Pressure Test Procedure
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Line Pressure Test Procedure

  1. Check A/T fluid and engine oil levels. If necessary, add fluid and oil.
  2. Drive vehicle for approx. 10 minutes or until fluid and oil reach operating temperature.

    ATF operating temperature: 50 - 80°C (122 - 176°F) 

  3. Install pressure gauge to corresponding line pressure port.
    Fig 1: Installing Pressure Gauge To Line Pressure Port
    G02016575Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Set parking brake and block wheels.
    • Continue to depress brake pedal fully while line pressure test is being performed at stall speed. 
  5. Start engine and measure line pressure at idle and stall speed.