Ford F150 Pickup. Manual - part 1841

Removal 

1. Disconnect the battery ground cable. Raise the vehicle on a hoist. Disconnect the solenoid body harness 

connector. Remove the transmission fluid pan, gasket and filter. See DRAINING & REFILLING under 
LUBRICATION. Remove the accumulator body bolts (1) and nuts (2). See Fig. 41 . Remove the 
accumulator body. 

2. If the valve body separator plate is not being serviced, remove the bolt (1), and install it in any case-

threaded bolt hole on the opposite end of the separator plate (2). See Fig. 42 .  

3. Remove the valve body bolts (1), and nuts (2). See Fig. 43 . Remove the valve body. See Fig. 44 . 

Remove the solenoid body assembly bolts and nuts. See Fig. 45 . Remove the solenoid screen assembly 
by rotating and pulling. See Fig. 46 .  

4. The steel Electronic Pressure Control (EPC) check ball is spring-loaded under the valve body separator 

plate. If the valve body separator plates are to be serviced, go to next step. If not, go to 
INSTALLATION . 

5. Remove the valve body separator plate reinforcement bolts. See Fig. 47 . Remove the separator plate 

reinforcement. Lower and remove the valve body separator plate and gaskets. Remove and discard 
separator plate gaskets.  

NOTE:

If valve body is disassembled, place individual parts in correct order and 
relation to valve body for reassembly reference. Tag all springs as they are 
removed.

CAUTION: Prevent the front of the valve body separator plate from sagging and 

displacing the check balls.

NOTE:

The rubber check balls and the steel EPC check ball and spring assembly, 
will fall out and may become lost or stick to the worm trail of the case.

 

2003 Ford Pickup F150 

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

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Fig. 41: Locating Accumulator Body Bolts & Nuts 
Courtesy of FORD MOTOR CO. 

 

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. 42: Locating Separator Plate Support Bolt
Courtesy of FORD MOTOR CO. 

Fig. 43: Locating Valve Body Bolts & Nuts 
Courtesy of FORD MOTOR CO. 

 

2003 Ford Pickup F150 

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

Navigator