Low/Reverse Servo Assembly Replacement

Removal Procedure

4T40-E/4T45-E

Caution: Refer to Battery Disconnect Caution in Service Precautions.

1. Disconnect the negative battery cable.
2. Raise the vehicle. Support the vehicle. Refer to Vehicle Lifting.
3. Remove the oil pan.





4. Remove the lo and the reverse band servo cover bolts.





5. Remove the lo and the reverse band servo cover.





6. Remove the lo and the reverse band servo snap ring.





7. Remove the reverse band servo cover seal.
8. Remove the reverse band servo piston seal.





9. Remove the lo and the reverse band servo piston.
10. Remove the 4th band servo piston inner spring.
11. Remove the lo and the reverse band servo piston pin.





12. Remove the lo and the reverse band servo piston spring.


Installation Procedure





1. Install the lo and the reverse band servo piston spring.





2. Install the lo and the reverse band servo piston pin.
3. Install the 4th band servo piston inner spring.
4. Install the lo and the reverse band servo piston.





5. Install the reverse band servo piston seal.
6. Install the reverse band servo cover seal.





7. Install the lo and the reverse band servo snap ring.





8. Install the lo and the reverse band servo cover.

Notice: Refer to Fastener Notice in Service Precautions.





9. Install the lo and the reverse band servo cover bolts.
- Tighten the bolts to 12 Nm (106 inch lbs.).
10. Install the oil pan.
11. Lower the vehicle.
12. Add transmission fluid.
13. Connect the negative battery cable.
14. Inspect the transmission fluid level. Refer to Transmission Fluid Checking Procedure.