Operation CHARM: Car repair manuals for everyone.

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 or oil.





2. Drive vehicle for approximately 10 minutes or until engine oil and ATF 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: Refer to Automatic Transmission/Transaxle; Specifications; Pressure, Vacuum and Temperature.





JUDGEMENT OF LINE PRESSURE TEST