Section 10 --- Chassis Information
The Executive 2005
448
Steering Spindles
The steering spindles attach to the front axle and pivot on the kingpin. The wheel end assembly and
brake system attach to the spindle. There are upper and lower lubrication points for the kingpin. The
drag link attaches to the roadside spindle. After initially lubricating the roadside and curbside king-
pins, rotate the steering assembly lock to lock (full left to right) then move assembly back to center.
This purges any remaining air pockets. Continue lubricating the kingpins until new grease purges
with no air pockets. Greasing interval is every six months or 5,000 miles.
Control Arm Bushings
Control arms align the axles perpendicular with the frame. The panhard bar controls side to side
motion of the axles in the frame. Control arm bushings and panhard bar bushings do not require lubri-
cation.
STEERING GEAR
Maintain the grease pack behind the output shaft’s dirt and water seal as a general maintenance
procedure at least twice a year. The grease fitting is provided in the housing trunnion. Use NLGI grade
2 or 3 multipurpose chassis lube and use only a hand operated grease gun on the fitting. Add grease
until it begins to extrude past the sector shaft dirt and water seal.
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