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• Check tie rod, drag link end clamp bolts and ball joints. They must be
tight.
• Check for installation and spread of cotter pins and tightness of nuts
at both ends of the tie rod and drag link.
• Check that pitman arm (steering arm at steering gear) mounting is
tight and locked. Check system for leaks or hose chafing. Repair at
once.
• Maintain proper steering gear and power steering pump lubricant
levels.
• Regularly inspect steering column joint bolts and steering linkage,
particularly for body-to-chassis clearance.
Note: Have any steering problems corrected at once by a qualified
service technician.
Failure to maintain the steering system in proper condition can
cause reduced steering ability resulting in property damage,
personal injury or death.
Tightening steering column joint bolts
As a good maintenance practice, it is recommended that steering column
joint bolts be checked for tightness every 60,000 miles (96,000 km) or
annually, whichever occurs first. DO NOT OVERTIGHTEN.
Power steering
Whenever the power steering’s hydraulic system has been drained and
refilled for any reason, air must be bled from the system before returning
the vehicle to service. Failure to properly bleed the hydraulic system can
result in degradation of power system performance.
Consult your dealer who is aware of the proper procedures for filling and
bleeding the system.
Power steering fluid
Check the power steering fluid level using the following procedure. If
adding fluid is necessary, refer to Lubricant Specifications in this
chapter for the proper fluid type. Refer to the Scheduled Maintenance
Guide chapter for the recommended service intervals.
1. Set the parking brake, shift into N (Neutral) (automatic transmission)
or 1 (First) (manual transmission) and turn the engine off.
2006 F-650/750 (f67)
Supplement
USA (fus)
Maintenance and Specifications
189
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