Inspection Procedures
- The actuator test of the low-reverse solenoid valve
Sound of operation can be heard?
Yes: Go to next step.
No: Replace the low-reverse solenoid valve
- When does the shock occur?
Shifting
Starting Go to step 6.
- Hydraulic pressure test
- Measure the reverse clutch pressure in "R" range.
Is the reverse clutch pressure normal?
Yes: Go to next step.
No: Go to step 8.
- Check the reverse clutch system and low-reverse brake system
- Remove the transaxle assembly, valve body cover and valve body.
- Piston should operate and pressure should be maintained when air is blown through the reverse clutch oil hole and reverse brake in the transaxle case.
Are the reverse clutch system and low-reverse brake system normal?
No: Go to next step.
Yes: Go to step 8
- Check the reverse clutch and low-reverse brake
- Check the burning of the facing, defective piston seal rings and interference at the retainer.
Are the reverse clutch and the low-reverse brake normal?
Yes: Go to next step.
No: Repair the reverse clutch and low-reverse brake
- Shock sometime occur
Yes: Go to next step.
No: Go to step 8
- Check the scan tool data
- Turns from ON to OFF when the accelerator pedal is slightly depressed from the fully closed position.
Is the scan tool data normal?
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.