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Home >> Nissan-Datsun >> 2002 >> Sentra SE-R L4-2.5L (QR25DE) >> Repair and Diagnosis >> Powertrain Management >> Transmission Control Systems >> Testing and Inspection >> Initial Inspection and Diagnostic Overview >> Initial Inspection >> Basic Inspection >> Line Pressure Test
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Line Pressure Test

Line Pressure Test





LINE PRESSURE TEST PORTS

Location of line pressure test ports are shown in the illustration.
- Always replace pressure plugs as they are self-sealing bolts

LINE PRESSURE TEST PROCEDURE





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 speed, follow the stall test procedure.





JUDGEMENT OF LINE PRESSURE TEST