Line Pressure Check

Special Tool 

J-21867-50 Transmission Line Pressure Adapter 

J 21867 Pressure Gauge 

Fig 1: Identifying Automatic Transmission Fluid Pressure Test Hole Plug & O-Ring Seal

Courtesy of SUZUKI OF AMERICA CORP.

1. Raise and support the vehicle. Refer to LIFTING AND JACKING THE VEHICLE .
2. Remove the left front splash shield. Refer to ENGINE SPLASH SHIELD REPLACEMENT - LEFT SIDE .
3. Remove the automatic transmission fluid pressure test hole plug (66) and O-ring seal (67).
   Fig 2: Identifying J-21867 & J-21867-50

   Courtesy of SUZUKI OF AMERICA CORP.
4. Install the J-21867-50 (2) with a sealing washer on each side of the adapter into the test hole.
5. Install the quick connect fitting of the J-21867-50 on the hose of J 21867.
6. Connect the J 21867 (1) to the J-21867-50 (2).
7. Fully apply the parking brake.
8. Connect a scan tool for engine RPMs.
9. Start the engine and allow the engine to warm up at idle.
10. Firmly apply the brake and shift into REVERSE (R).
11. Allow the engine to idle and record the line pressure.

    Specifications 

    500-610 kPa (73-89 psi) 

    NOTE: Do not perform the 2900 RPM test longer than 5 seconds.
12. Increase the engine speed to 2900 RPM and record the line pressure.

    Specifications 

    1710-1980 kPa (248-287 psi) 

13. Allow the transmission fluid to cool at idle in PARK (P) for at least one minute.
14. Firmly apply the brake and shift into DRIVE (D).
15. Allow the engine to idle and record the line pressure.

    Specifications 

    330-390 kPa (48-57 psi) 

    NOTE: Do not perform the 2900 RPM test longer than 5 seconds.
16. Increase the engine speed to 2900 RPM and record the line pressure.

    Specifications 

    1280-1390 kPa (186-202 psi) 

17. If the line pressure reading is not within specifications, refer to the LINE TEST RESULTS TABLE .
    Fig 3: Identifying Automatic Transmission Fluid Pressure Test Hole Plug & O-Ring

    Courtesy of SUZUKI OF AMERICA CORP.