Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Steering Gear: Specifications

Power Steering Gear - Super Duty F-250, F-350, F-450, F-550 Type XR50 (QSC) Recirculating Ball
Ratio 17:1
Steering Gear Turns (Stop-to-Stop) 4.0
Steering Gear Meshload Rotating Torque @ Steering Wheel (18 Inch Lbs.)
Minimum Steering Meshload Rotating Torque @ Steering Wheel (13 inch lbs.)
Maximum Worm Bearing Preload (For Inspection Purposes Only) (8 inch lbs.)
Total Meshload Over Worm Bearing Preload Over Ends (For Inspection Purposes Only) (4 - 9 inch lbs.)
Worm to Piston Preload (For Inspection Purposes Only) (1 - 3 inch lbs.)
Steering gear sector shaft adjustment jam nut - Super Duty F-250, F-350, F-450, F-550 23 ft. lbs.
Power Steering Steering gear sector shaft arm-to-sector shaft nut 199 ft. lbs.
Steering gear ball return guide clamp bolts 45 - 62 inch lbs.
Steering gear race locknut 15 - 25 inch lbs.
Steering gear bolts 59 ft. lbs.
Steering gear sector shaft retaining nut 200 ft. lbs.
Steering sector shaft arm drag link retaining nut 67 ft. lbs.