F 150 4WD Pickup V8-5.4L CNG VIN M (2001)
14. Use the Adjuster and Locknut Wrench to tighten the race nut.
15. Install the setscrew.
16. Remove the valve housing from the Bench Mounted Holding Fixture and position the piston on the worm gear.
17. WARNING: Hold the ball return guides until the cap or clip is reinstalled. Failure to hold the guides will result in a trapped ball or balls, which
could cause a vehicle accident. If the ball guides become unseated at any time, remove all the balls and repeat the procedure.
Install the steering gear ball return guide on the piston.