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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 421 (Automatic Transaxle - Re4F04B) >> Trouble Diagnosis - Basic Inspection >> Line Pressure Test >> Line Pressure Test Procedure

Line Pressure Test Procedure

WARNING: This page is about a different car, the 2004 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check A/T fluid and engine oil levels. If necessary, add fluid and oil.
  2. Drive vehicle for approximately 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.
  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.
    • When measuring line pressure at stall speed, follow the stall test procedure. 

      Line pressure:  "Line Pressure "