Steering Problem
o Excessive steering effort.
Possible Source(s):
§ Improper oversized tires.
Action(s) to Take:
§ Install correct tire and wheel combination. Refer to «Section 04-04».
Possible Source(s):
§ Tires not uniform.
Action(s) to Take:
§ Install correct tire and wheel combination.
Possible Source(s):
§ Improper tire pressure.
Action(s) to Take:
§ Adjust air pressure in tires.
Possible Source(s):
§ Misaligned steering column gear input shaft coupling (if so equipped) to gear interference.
Action(s) to Take:
§ Align or adjust as required.
Possible Source(s):
§ Improperly adjusted wheel (1007) to column interference.
Action(s) to Take:
§ Align or adjust as required. Refer to «Section 11-04A» (All, except Super Duty) or «Section 11-04B»(Super Duty).
Possible Source(s):
§ Improperly adjusted steering column alignment.
Action(s) to Take:
§ Align or adjust as required (E-150-250-350). Refer to «Section 11-04A» (All, except Super Duty) or «Section 11-04B»(Super Duty).
Possible Source(s):
§ Binding condition insteering sector shaft arm drag link (3304) or front axle pins, or lack of lubrication.
Action(s) to Take:
§ Lube, inspect, adjust or replace as required. Refer to «Section 11-03».
Possible Source(s):
§ Bind in front axle spindle thrust bearings.
Action(s) to Take:
§ Lube, inspect, adjust or replace as required. Refer to «Group 05».
Possible Source(s):
§ Improperly adjusted steering gear.
Action(s) to Take:
§ Adjust to specification (meshload only). Refer to «Section 11-02B», «Section 11-02C», or «Section 11-02F».
Possible Source(s):
§ Power steering pump belt loose, glazed or broken.
Action(s) to Take:
§ Inspect, adjust belt tension or replace as required. Refer to «Section 03-05».
Possible Source(s):
§ Low power steering pump fluid level and possible leak in system.
Action(s) to Take:
§ Add fluid, tighten connections and correct as necessary.
Possible Source(s):
§ Power steering pump pressure and flow below specification.
Action(s) to Take:
§ Conduct pump flow and relief pressure tests and adjust or repair as necessary.
Possible Source(s):
§ Air in power steering system.
Action(s) to Take:
§ Add fluid, tighten connections and bleed system.
Possible Source(s):
§ Contaminated fluid, incorrect fluid.
Action(s) to Take:
§ Replace with correctly specified fluid.
Possible Source(s):
§ Obstruction within steering gear or power steering return hose (3A713) and power steering pressure hose (including bent or kinked steel tubing).
Action(s) to Take:
§ Inspect, remove obstruction(s) and repair or replace as required.
Possible Source(s):
§ Steering gear valve binding (integral power steering).
§ Excessive internal gear leakage.
Action(s) to Take:
§ Inspect, repair or replace as required.


