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Home >> Chevrolet >> 2006 >> Epica (CANADA) L6-2.5L >> Repair and Diagnosis >> Transmission and Drivetrain >> Automatic Transmission/Transaxle >> Valve Body >> Service and Repair
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Valve Body: Service and Repair




Control Valve Body Replacement

Tools Required

DT 46475 (DW260-070) Auto Transaxle Plug Remover/Installer

Removal Procedure





Caution: Refer to Battery Disconnect Caution Battery Disconnect Caution.

1. Remove the battery.
2. Disconnect the transaxle wiring harness and the park/neutral position switch electrical connector.





Notice: Refer to Vehicle Lifting and Jacking Notice Vehicle Lifting and Jacking Notice.

3. Raise and suitably support the vehicle.
4. Remove the engine under cover.
5. Use the DT 46475 (1) to remove the transaxle fluid drain plug.




6. Remove the oil pan and the oil pan gasket. Refer to Oil Pan and Gasket Removal 9. Oil Pan and Gasket Removal.
7. Remove the valve body mounting bolts.
8. Remove the automatic transmission input speed sensor mounting bolt.




9. Remove the automatic transmission output speed sensor mounting bolt.




10. Remove the control valve body.

Installation Procedure

Important: After installing the control valve body assembly, the shift adapts must be reset. Reset the shift adapts using the scan tool. Go to Trans Adaptives Reset under Special Functions on the scan tool.






Notice: Refer to Fastener Notice Fastener Notice.

1. Install the control valve body mounting and the bolts.

Tighten the valve mounting bolts to 8 Nm (71 lb in).

2. Install the input speed sensor mounting bolt.

Tighten the input speed sensor mounting bolts to 8 Nm (71 lb in).




3. Install the output speed sensor mounting bolt.

Tighten the output speed sensor mounting bolts to 6 Nm (53 lb in).

4. Install the oil pan and the oil pan gasket. Refer to Oil Pan and Gasket Removal 9. Oil Pan and Gasket Removal.




5. Use the DT 46475 (1) to install the transaxle fluid drain plug.
6. Install the engine under cover.




7. Lower the vehicle.
8. Connect the transaxle wiring harness and the park/neutral position (PNP) switch electrical connector.
9. Refill the transaxle fluid. Refer to Transmission Fluid Level Inspection Transmission Fluid Level Inspection.

Important: After installing the control valve body assembly, the shift adapts must be reset. Reset the shift adapts using the scan tool. Go to Trans Adaptives Reset under Special Functions on the scan tool.


10. Install the battery.

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