F 150 4WD Pickup V8-5.4L CNG VIN M (2001)
6. Remove the locking nut from the steering gear sector shaft adjustment screw.
7. Remove the sector shaft housing cover.
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Hold the steering gear sector shaft.
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Turn the housing cover-counterclockwise.
8. Remove the valve housing bolts and the identification tag.
9. Remove the valve housing and piston assembly.
10. Remove and discard the gasket.
