Inspection Procedures
- The actuator test of the low-reverse solenoid valve, underdrive solenoid valve, second solenoid valve, overdrive solenoid valve
Sound of operation can be heard?
Yes: Go to next step.
No: Replace the solenoid valve
- Adjust the line pressure
Have the problem?
Yes: Go to next step.
No: Go to step 4.
- Check the clutch and the brake
- Check the burning of the facing, defective piston seal rings and interference at the retainer.
- Replace the oil pump assembly (The oil pump cannot be disassembled)
Have the problem?
Yes: Go to next step.
- The valve body cleaning (Valve body disassembly, cleaning and reassembly)
- Pay particular attention to loosening of bolts, and to damage and slippage of O-rings, valves and valve bodies.
- If the damage cannot be repaired, replace the valve body assembly.