Diplomat V8-318 5.2L VIN K 2-bbl (1982)
12. Stake upper part of adjusting nut into wormshaft knurled area in four places, 90° apart. Check bearing preload after first staking operation and
adjust, if necessary, by tapping the adjusting nut with a mallet.
13. Apply a torque of 20 ft. lbs. to the adjusting nut in both directions. The nut should not move, ensuring nut was properly staked.
14. Install center bearing spacer over bearing race to engage dowel pin with slot in center bearing race. Make sure valve lever hole in center bearing
race and center spacer are properly aligned.
Steering Gear, Assembly
Fig. 6 Removing or installing power train
Fig. 16 Installing valve lever
1. With steering gear housing fastened in holding fixture, lubricate power train housing bore with fluid and install power train assembly. Face piston
teeth to the right and valve lever hole in center race and spacer in "Up" position. Ensure cylinder head is bottomed against housing shoulder.
2. With valve lever hole in center bearing race and spacer aligned with valve lever hole in gear housing, install valve lever (double bearing end first)
into center bearing race and spacer, ensuring valve lever slots are parallel to wormshaft. It may be necessary to gently tap end of valve lever to seat
lower pivot point in center race.
3. Install housing head tang washer, indexing with groove in housing, and steering column support nut and torque nut to 150 - 250 ft. lbs. Ensure
valve lever remains centered in housing hole by rotating wormshaft until piston bottoms in both directions and observe valve lever action. The
valve lever must be in center of hole and return to the center position when worm shaft torque is relieved.
4. Install valve lever spring (small end first), position power piston at center of travel and install sector shaft and cover assembly, indexing sector
teeth with piston rack teeth. Ensure sector shaft cover O-ring is installed properly.
5. Install and torque cover nut to 110 - 200 ft. lbs.
6. Install valve body onto housing with valve lever entering hole in valve spool. Ensure O-rings are installed properly, then install and torque valve
retaining screws to 7 ft. lbs.
Steering Gear Housing
