Automatic Transmission

Pressure Test (cont'd)

 14-115  

  1. Start the engine and run it at 2,000 rpm (min -1)
  2. Shift to or position and measure line pressure at the line pressure inspection hole (A).

    NOTE: Higher pressure may be indicated if measurements are made in shift lever positions other than N.gif or

  3. Shift to position and measure 1st clutch pressure at the 1st clutch pressure inspection hole (B).
  4. Shift to position and measure 2nd clutch pressure at the 2nd clutch pressure inspection hole (C).
  5. Shift to position and measure 3rd clutch pressure at the 3rd clutch pressure inspection hole (D).
  6. Shift to position and measure 4th clutch pressure at the 4th clutch pressure inspection hole (E).
  7. Shift to position and measure 4th clutch pressure at the 4th clutch pressure inspection hole (E).
  8. For 7-position transmission; shift to position and measure 1st-hold clutch pressure at the 1st-hold clutch pressure inspection hole (F).
    PRESSURE SHIFT LEVER POSITION SYMPTOM PROBABLE CAUSE FLUID PRESSURE
    Standard Service Limit

    Line
    (A)

    		 or No (or low) line pressure Torque converter, ATF pump, pressure regulator valve, torque converter check valve 880-930 kPa

    (9.0-9.5 kgf/cm2, 130-140 psi)

    		 830 kPa

    (8.5 kgf/cm2, 120 psi)

    1st clutch
    (B)

    		 No or low 1st clutch pressure 1st clutch    

    2nd clutch
    (C)

    		 No or low 2nd clutch pressure 2nd clutch 850-900 kPa

    (8.7-9.2 kgf/cm2, 120-130 psi)

    		 800 kPa

    (8.2 kgf/cm2, 120 psi)

    3rd clutch

    (D)

    		 No or low 3rd clutch pressure 3rd clutch    

    4th clutch
    (E)

    		 No or low 4th clutch pressure 4th clutch    
        Servo valve or 4th clutch    

    1st-hold clutch (F)
    (7-position)

    		 No or low 1st-hold clutch pressure 1st-hold clutch 880-930 kPa

    (9.0-9.5 kgf/cm2, 130-140 psi)

    		 830 kPa

    (8.5 kgf/cm2, 120 psi)
  9. Install the sealing bolt with a new sealing washers and tighten the bolts to the specified torque.

    TORQUE: 18 Nm (1.8 kgf/m,13 lbf/ft)

    NOTE: Do not reuse old sealing washers.