1965-74 Models
- With most models, sector shaft seal can be replaced without removing steering gear from vehicle. On "G" Vans, and all "K" models, gear must be removed. Rotate steering wheel from stop to stop counting number of turns, then turn wheel back half-way placing gear on center of travel. Loosen lash adjuster lock nut and turn lash adjuster a few turns counterclockwise.
- Remove bolts attaching side cover to housing, and lift sector shaft and side cover assembly from housing. Pry sector shaft seal from housing using a screwdriver being careful not to scratch housing bore. Inspect gear lubricant for contamination, if lubricant is contaminated in any way, gear should be completely overhauled.
- Lubricate new sector shaft seal with suitable steering gear lubricant (GM 4673M). Position seal in sector shaft bore and tap into place using a suitable socket. Remove lash adjuster lock nut, and side cover from sector shaft assembly by turning lash adjuster screw clockwise. Install sector shaft in gear so center tooth of sector enters center tooth space of ball nut. Fill gear housing with lubricant and install a new side cover gasket on gear housing. Install side cover over sector shaft by reaching through cover hole with a screwdriver and turning lash adjuster screw counterclockwise until screw bottoms, then back off screw one-half turn. Install side cover bolts and tighten to specification. Install lash adjuster lock nut and perform STEERING GEAR ADJUSTMENTS .