DISABLING AIR SUSPENSION SYSTEM
Before lifting vehicle equipped with air suspension system, turn service switch to OFF position. Switch is located in jack storage area. Failure to turn off air suspension system may result in unexpected inflation or deflation of air shocks or springs.
F150/350 (2WD)
- Measure camber and caster to determine required adjustment. Record specifications for use in selection of camber/caster adjusters. To adjust, raise and support vehicle. Remove wheel assembly. Loosen pinch bolt at top of upper ball joint and pry adjuster out of axle.
- Install appropriate camber/caster adjuster and rotate to desired adjustment. Camber/caster adjusters are available in 0.5, 1.0 and 1.5 degree increments. (Scheme 3) Tighten pinch bolt to specification. See «TORQUE SPECIFICATIONS»(ref-62333-S23492780792001011800000). Install wheel assembly. Check wheel alignment to verify correct adjustment.
F150/250 (4WD)
- Camber and caster can be adjusted by changing upper ball joint mounting sleeve. If adjustment is required, raise vehicle and remove front wheel assembly.
- Remove upper ball joint cotter pin and nut. (Scheme 2) Loosen lower ball joint nut to end of stud. Break spindle loose from ball joint studs. Remove camber adjuster sleeve. Install replacement ball joint mounting sleeve.
- If increased camber is required, point arrow on mounting sleeve outward. If decreased camber is required, point arrow on mounting sleeve inward. Install spindle. Apply Loctite and partially tighten lower ball joint nut.
- Install upper ball joint nut and tighten upper and lower ball joint nuts to specification. See «TORQUE SPECIFICATIONS»(ref-62333-S23492780792001011800000). Install wheel assembly. Check alignment to verify correct adjustment.
Scheme 2
Scheme 3
F250 & F350 (4WD)
- Caster is adjustable on vehicles with leaf spring suspension systems. Adjustment is performed by inserting shims between spring and axle. Shims are available in zero, 1 and 2 degree increments. Zero degree shim is used to adjust side-to-side height. CAUTION: Caster should always be adjusted on right front axle to avoid changing front drive shaft alignment.
- To adjust caster, raise vehicle and support front axle. Loosen "U" bolt nuts. Separate spring from axle. Install caster shim between spring and axle. Position thin edge of shim to front of vehicle to increase caster. Position thin edge of shim to rear of vehicle to decrease caster. Tighten "U" bolt nuts to specification. See «TORQUE SPECIFICATIONS»(ref-62333-S23492780792001011800000) . Check alignment to verify correct adjustment.
F350 (4WD)
Camber and caster are not adjustable on 4WD and F350 Super Duty monobeam-design vehicles.