Main Control: Disassembly

NOTE: Make an identifying mark on each solenoid and the corresponding bore for correct assembly.

NOTE: Solenoids may visually appear the same but their designs/functions are different. Use care not to assemble the main control assembly incorrectly. Incorrect solenoid installation results in poor transmission shift quality.

NOTE: Note the location of the 8 check balls, 6 solenoid dampers, 2 internal valves and springs and 2 filter screens for reassembly.

Main Control Upper Half

Make an identifying mark on each solenoid and the corresponding bore for correct assembly.

Fig 1: Identifying Mark On Solenoid And Corresponding Bore
Courtesy of FORD MOTOR CO.
Remove the 6 long molded leadframe-to-valve body bolts from the molded leadframe.

Fig 2: Locating Long Molded Leadframe-To-Valve Body Bolts
Courtesy of FORD MOTOR CO.
Carefully separate the molded leadframe from the main control assembly.
1. Molded leadframe
2. Main control assembly
  
  Fig 3: Separating Molded Leadframe From Main Control Assembly
  Courtesy of FORD MOTOR CO.
Remove 19 short molded leadframe-to-valve body bolts from the main control assembly.

Fig 4: Locating Short Molded Leadframe-To-Valve Body Bolts
Courtesy of FORD MOTOR CO.
Separate the lower half of the main control assembly from the upper half of the main control assembly.

Fig 5: Separating Lower Half Of Main Control Assembly From Upper Half Of Main Control Assembly
Courtesy of FORD MOTOR CO.
Remove and discard the main control valve body separator plate.

Fig 6: Locating Main Control Valve Body Separator Plate
Courtesy of FORD MOTOR CO.
Remove the solenoid dampers, check balls, converter drain back valve and filter screens from the main control assembly. Note the location for assembly.
1. Solenoid dampers
2. Check balls
3. Converter drain back valve
4. Small filter screen
5. Large filter screen
  
  Fig 7: Identifying Solenoid Dampers, Check Balls, Converter Drain Back Valve, Small And Large Screen
  Courtesy of FORD MOTOR CO.
Remove the retaining clips, caps, valves and valve springs from each bore of the main control assembly. Note the location and order for assembly.

Fig 8: Identifying Retaining Clips, Caps, Valves And Valve Springs
Courtesy of FORD MOTOR CO.
Using clean mineral spirits, clean the upper half of the main control assembly.
Main Control Lower Half
Remove the 8 solenoid hold down bracket bolts and the solenoid hold down bracket.

Fig 9: Remove/Install Solenoid Bracket Bolts
Courtesy of FORD MOTOR CO.
Remove the solenoids.

Fig 10: Identifying Solenoids
Courtesy of FORD MOTOR CO.
Remove the retaining clips, caps, valves and valve springs from each bore of the main control assembly. Note the location and order for assembly.

Fig 11: Identifying Retaining Clips, Caps, Valves And Valve Spring
Courtesy of FORD MOTOR CO.
Using clean mineral spirits, clean the lower half of the main control assembly.