Ford F150 Pickup. Instruction - part 1833

3. Install CBV fitting and tighten cooler line nuts to specifications. See Fig. 13 . Lower vehicle. Fill the 

transaxle with appropriate fluid to proper level and check for correct transaxle operation. See 
LUBRICATION . Start vehicle, apply both foot brakes and move gearshift lever through each gear 
position.  

 

2003 Ford Pickup F150 

2003 AUTOMATIC TRANSMISSIONS Servicing - Blackwood, Econoline, Excursion, Expedition, "F" Series Pickup & 

Navigator

  

 

2003 Ford Pickup F150 

2003 AUTOMATIC TRANSMISSIONS Servicing - Blackwood, Econoline, Excursion, Expedition, "F" Series Pickup & 

Navigator

  

Fig. 13: Identifying Cooler By-Pass Valve & Case Fitting Bolts
Courtesy of FORD MOTOR CO. 

ELECTRONIC PRESSURE CONTROL SOLENOID (4R70W) 

Removal 

1. Raise and support vehicle. Drain the transmission fluid and remove the transmission fluid pan and filter. 

See DRAINING & REFILLING under LUBRICATION.  

2. Remove the instruction control lever. See MANUAL LEVER SHAFT & SEAL . Carefully pry up on the 

locking tabs to disconnect the solenoids. Disconnect the molded lead frame from the solenoids. See Fig. 
14 .  

3. Disconnect the shift solenoids "A" and "B". Disconnect the Torque Converter Clutch (TCC). Disconnect 

the Electronic Pressure Control (EPC) solenoid.  

4. Disconnect the bulkhead inter-connector. Remove the bolt and EPC solenoid bracket. See Fig. 15 . 

Remove the EPC solenoid.  

CAUTION: Do not pull on the molded lead frame. This may cause damage to the 

connector ends.

 

2003 Ford Pickup F150 

2003 AUTOMATIC TRANSMISSIONS Servicing - Blackwood, Econoline, Excursion, Expedition, "F" Series Pickup & 

Navigator

  

Fig. 14: Identifying Lead Frame Connectors 
Courtesy of FORD MOTOR CO. 

 

2003 Ford Pickup F150 

2003 AUTOMATIC TRANSMISSIONS Servicing - Blackwood, Econoline, Excursion, Expedition, "F" Series Pickup & 

Navigator