Main Control Valve Body: Removal
WARNING: This page is about a different car, the 2018 Ford F-550 Super Duty, 2018 Ford F-450 Super Duty, 2018 Ford F-350 Super Duty, and 2018 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
- Remove the fluid pan, gasket and filter. Refer to: Transmission Fluid Pan, Gasket and Filter .
- Disconnect the electrical connectors and position the transmission wiring harness aside.
- Solenoids
- TFT sensor.
- TSS sensor.
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NOTE: Do not bend the manual valve rod clip when removing the manual valve rod. If the manual valve rod clip is bent back to remove the manual valve rod instead of sliding it off, the manual valve rod clip will become permanently distorted causing total loss of transmission control or transmission failure. If the manual valve rod clip is bent, install a new manual valve rod clip.
Remove the manual valve rod. Pull the manual valve rod clip tab out of the TR sensor, slide the manual valve rod clip off of the manual valve rod and remove the manual valve rod from the TR sensor and the manual valve.
- Manual valve rod clip
- Manual valve rod clip tab
- TR sensor
- Manual valve rod
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NOTE: Slip yoke transmissions have 3 feed tubes and fixed flange /4WD transmissions have 2 feed tubes.
Remove the main control bolts, feed tube bolts and remove the main control and feed tube assemblies.
- Vehicle with slip yoke transmission
- Vehicle with fixed flange / 4WD transmission
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NOTE: Note the ports where the feed seals are removed from. Failure to install the feed seals in the ports they were removed from can result in pressure loss and transmission failure.
Remove and discard the clutch feed seals.
- Vehicle with slip yoke transmission
- Remove and discard the pump feed seals.
- Remove the feed tubes.
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NOTE: Slip yoke transmission feed tubes shown in illustration, fixed flange /4WD transmission feed tubes similar.
Fluid supply feed tube assembly.
- Intermediate (2, 6) clutch fluid supply feed tube.
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- Remove and discard the O-rings (7H420) from the feed tubes.