Expedition 4WD V8-54L Suspension Control Module - Service and Repair
2. Note: Apply a small amount of petroleum jelly to each check ball prior to positioning them on the valve body separator plate.
Install eight rubber and one steel EPC check balls.
3. Note: Apply petroleum jelly to the EPC check ball spring prior to installing it into the case.
Install the EPC check ball spring.
4. Position the valve body separator plate and the gaskets to the case carefully to retain the check balls.