Line Pressure Test Procedure

WARNING: This page is about a different car, the 2005 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

Check A/T fluid and engine oil levels. If necessary, add fluid and oil.
Drive vehicle for approximately 10 minutes or until fluid and oil reach operating temperature.
- ATF operating temperature: 50 - 80°C (122 - 176°F)
Fig 1: Running Engine To Warm A/T Fluid Temperature
Courtesy of NISSAN MOTOR CO., U.S.A.
Install pressure gauge to corresponding line pressure port.

Fig 2: Installing Pressure Gauge
Courtesy of NISSAN MOTOR CO., U.S.A.
Set parking brake and block wheels.
- Continue to depress brake pedal fully while line pressure test is being performed at stall speed.
  
  Fig 3: Setting Parking Brake & Blocking Wheels
  Courtesy of NISSAN MOTOR CO., U.S.A.
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 "
  Fig 4: Precaution For Starting Engine
  Courtesy of NISSAN MOTOR CO., U.S.A.