Control Valve Assembly and Transmission Fluid Pressure Switch Installation

Control Valve Assembly and Transmission Fluid Pressure Switch Installation





Note: The 4T40-E/4T45-E non-Electronic Range Select Mode models use a spacer plate with 2 identification notches. The 4T45-E models with Electronic Range Select Mode use a spacer plate with 1 identification notch.

1. Install a NEW control valve body to spacer plate assembly onto the case cover.
2. Install the control valve body assembly (18) onto the spacer plate assembly (90).




3. Inspect the TFP switch assembly (13) in order to verify the condition and correct location of the 4 pressure switch O-rings.
4. If necessary replace the pressure switch O-rings.




5. Install the TFP switch assembly (13) onto the control valve body assembly.




6. Install the 18 control valve body assembly bolts.





Caution: Refer to Fastener Caution (Fastener Caution).

7. Hand start the bolts. Tighten the bolts to 14 Nm (124 lb in).