E 450 V8-5.4L (2009)
Pressure Regulating Solenoid: Service and Repair
4R70E/4R75E
Electronic Pressure Control (EPC) Solenoid
Removal
1. Remove the manual control lever. For additional information, refer to Manual Control Lever Shaft and Seal See: Seals and Gaskets/Service and
Repair/4R70E/4R75E/Manual Control Lever Shaft and Seal.
2. NOTICE: Carefully pry up on the locking tabs to disconnect the solenoids. Disconnect the transmission internal harness from the
solenoids.
Disconnect the transmission internal harness from the solenoids.
1. Disconnect Shift Solenoid A (SSA) and Shift Solenoid B (SSB).
2. Disconnect the Torque Converter Clutch (TCC) solenoid.
3. Disconnect the Electronic Pressure Control (EPC) solenoid.
4. Disconnect the transmission internal harness connector.
5. Disconnect the Transmission Fluid Temperature (TFT) sensor.
3. Remove the EPC solenoid.
1. Remove the bolt.
2. Remove the solenoid bracket and the EPC solenoid.
Installation
1. NOTE: Lubricate the EPC solenoid O-rings with transmission fluid.
Install the EPC solenoid.
1. Install the EPC solenoid by pressing it in place by hand.
2. Install the EPC solenoid bracket and bolt.
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Tighten to 10 Nm (89 lb-in).