Intermediate/4TH 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 bottom pan.





4. Remove the 4th band servo cover bolts.





5. Remove the 4th band servo cover.





6. Remove the snap ring.





7. Remove the 4th band servo piston seal ring.





8. Remove the 4th band servo piston seal.
9. Remove the 4th band servo piston.
10. Remove the 4th band servo piston inner spring.
11. Remove the 4th band servo piston pin.





12. Remove the intermediate band servo piston spring.

Installation Procedure





1. Install the intermediate band servo piston spring.





2. Install the 4th band servo piston pin.
3. Install the 4th band servo piston inner spring.
4. Install the 4th band servo piston.
5. Install the 4th band servo piston seal.





6. Install the 4th band piston seal ring.





7. Install the snap ring.





8. Install the 4th band servo cover.

Notice: Refer to Fastener Notice in Service Precautions.





9. Install the 4th band servo cover bolts.
- Tighten the bolts to 12 Nm (106 inch lbs.).
10. Install the bottom pan.
11. Lower the vehicle.
12. Add transmission fluid
13. Connect the negative battery cable.
- Tighten the bolt to 16 Nm (12 ft. lbs.).
14. Inspect the transmission oil level.