Section 40 (Suspension System - General Information): Specifications

WARNING: This page is about a different car, the 2013 Ford F-550 Super Duty, 2013 Ford F-450 Super Duty, 2013 Ford F-350 Super Duty, and 2013 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.

ALIGNMENT SPECIFICATIONS

Item

Total/Split

F-250 and F-350 Rear Wheel Drive (RWD) Pickup

Camber

0.62° ± 1.0°

0° ± 0.75° ⁽¹⁾

Caster (Heavy Duty Suspension)⁽²⁾

3.6° ± 1.3°

0° ± 0.75° ⁽³⁾

Caster (Standard Suspension)

4.0° ± 1.2°

0° ± 0.75°⁽³⁾

Toe @ Curb Ride Height (Positive Value is Toe In, Negative Value is Toe Out)

0.1° ± 0.25°

Thrust Angle

0° ± 0.50°

F-350 RWD Chassis Cab Single Rear Wheel (SRW)

Camber

0.62° ± 1.0°

0° ± 0.75°⁽¹⁾

Caster (Heavy Duty Suspension)⁽²⁾

3.2° ± 1.3°

0° ± 0.75°⁽³⁾

Caster (Standard Suspension)

3.5° ± 1.2°

0° ± 0.75°⁽³⁾

Toe @ Curb Ride Height (Positive Value is Toe In, Negative Value is Toe Out)

0.1° ± 0.25°

Thrust Angle

0° ± 0.50°

F-350 RWD Chassis Cab Dual Rear Wheels (DRW)

Camber

0.62° ± 1.0°

0° ± 0.75°⁽¹⁾

Caster (Heavy Duty Suspension)⁽²⁾

2.5° ± 1.3°

0° ± 0.75°⁽³⁾

Caster (Standard Suspension)

2.9° ± 1.2°

0° ± 0.75°⁽³⁾

Toe @ Curb Ride Height (Positive Value is Toe In, Negative Value is Toe Out)

0.1° ± 0.25°

Thrust Angle

0° ± 0.50°

F-250 Four-Wheel Drive (4WD) Pickup

Camber

0.15° ± 0.75°

0° ± 0.75°⁽¹⁾

Caster (Heavy Duty Suspension)⁽²⁾

2.8° ± 1.3°

0° ± 0.55°⁽³⁾

Caster (Standard Suspension)

3.5° ± 1.2°

0° ± 0.55°⁽³⁾

Toe @ Curb Ride Height (Positive Value is Toe In, Negative Value is Toe Out)

0.1° ± 0.25°

Thrust Angle

0° ± 0.50°

F-350 4WD Pickup SRW

Camber

0.15° ± 0.75°

0° ± 0.75°⁽¹⁾

Caster (Heavy Duty Suspension)⁽²⁾

2.1° ± 1.3°

0° ± 0.55°⁽³⁾

Caster (Standard Suspension)

2.7° ± 1.2°

0° ± 0.55°⁽³⁾

Toe @ Curb Ride Height (Positive Value is Toe In, Negative Value is Toe Out)

0.1° ± 0.25°

Thrust Angle

0° ± 0.50°

F-350 4WD Pickup DRW

Camber

0.15° ± 0.75°

0° ± 0.75°⁽¹⁾

Caster (Heavy Duty Suspension)⁽²⁾

2.6° ± 1.3°

2.9° ± 1.3°

-0.30° ± 0.55°⁽³⁾

Caster (Standard Suspension)

3.3° ± 1.2°

3.6° ± 1.2°

-0.30° ± 0.55°⁽³⁾

Toe @ Curb Ride Height (Positive Value is Toe In, Negative Value is Toe Out)

0.1° ± 0.25°

Thrust Angle

0° ± 0.50°

F-350 4WD Chassis Cab SRW

Camber

0.15° ± 0.75°

0° ± 0.75°⁽¹⁾

Caster (Heavy Duty Suspension)⁽²⁾

2.4° ± 1.3°

0° ± 0.55°⁽³⁾

Caster (Standard Suspension)

2.9° ± 1.2°

0° ± 0.55°⁽³⁾

Toe @ Curb Ride Height (Positive Value is Toe In, Negative Value is Toe Out)

0.1° ± 0.25°

Thrust Angle

0° ± 0.50°

F-350 4WD Chassis Cab DRW

Camber

0.15° ± 0.75°

0° ± 0.75°⁽¹⁾

Caster (Heavy Duty Suspension)⁽²⁾

2.2° ± 1.3°

2.5° ± 1.3°

-0.30° ± 0.55°⁽³⁾

Caster (Standard Suspension)

2.5° ± 1.2°

2.8° ± 1.2°

-0.30° ± 0.55°⁽³⁾

Toe @ Curb Ride Height (Positive Value is Toe In, Negative Value is Toe Out)

0.1° ± 0.25°

Thrust Angle

0° ± 0.50°

F-450 Pickup (All Vehicles)

Camber

0.15° ± 0.75°

0° ± 0.75°⁽¹⁾

Caster (Heavy Duty Suspension)⁽²⁾

2.5° ± 1.3°

2.9° ± 1.3°

-0.40° ± 0.55°⁽³⁾

Caster (Standard Suspension)

3.10° ± 1.2°

3.5° ± 1.2°

-0.40° ± 0.55°⁽³⁾

Toe @ Curb Ride Height (Positive Value is Toe In, Negative Value is Toe Out)

0.1° ± 0.25°

Thrust Angle

0° ± 0.50°

F-450/550 (Chassis Cab)

Camber

0.15° ± 0.75°

0° ± 0.75°⁽¹⁾

Caster (Heavy Duty Suspension)⁽²⁾

2.6° ± 1.2°

2.9° ± 1.3°

-0.30° ± 0.55°⁽³⁾

Caster (Standard Suspension)

2.6° ± 1.2°

2.9° ± 1.3°

-0.30° ± 0.55°⁽³⁾

Toe @ Curb Ride Height (Positive Value is Toe In, Negative Value is Toe Out)

0.1° ± 0.25°

Thrust Angle

0° ± 0.50°

⁽¹⁾	Camber Total/Split = LH Camber - RH Camber

⁽²⁾	Heavy duty suspensions include vehicles equipped with the following equipment group packages: Heavy Duty, Extra Heavy Duty, Camper, Snowplow, Ambulance

⁽³⁾	Caster Total/Split = LH Caster - RH Caster

CAMBER/CASTER SERVICE ADJUSTERS - F-250/F-350 REAR WHEEL DRIVE (RWD)

Adjustment Circle	Nominal Alignment Adjustment @ Position
	0	45	90	135	180	225	270	315
	Cam/Cas	Cam/Cas	Cam/Cas	Cam/Cas	Cam/Cas	Cam/Cas	Cam/Cas	Cam/Cas
0	0/0	0/0	0/0	0/0	0/0	0/0	0/0	0/0
0.25	+0.25/0	+0.18/-0.18	0/-0.25	-0.18/-0.18	-0.25/0	-0.18/+0.18	0/+0.25	+0.18/+0.18
0.5	+0.50/0	+0.35/-0.35	0/-0.50	-0.35/-0.35	-0.50/0	-0.35/+0.35	0/+0.50	+0.35/+0.35
0.75	+0.75/0	+0.53/-0.53	0/-0.75	-0.53/-0.53	-0.75/0	-0.53/+0.53	0/+0.75	+0.53/+0.53
1	+1.00/0	+0.70/-0.70	0/-1.00	-0.70/-0.70	-1.00/0	-0.70/+0.70	0/+1.00	+0.70/+0.70
1.25	+1.25/0	+0.88/-0.88	0/-1.25	-0.88/-0.88	-1.25/0	-0.88/+0.88	0/+1.25	+0.88/+0.88
1.5	+1.50/0	+1.05/-1.05	0/-1.50	-1.05/-1.05	-1.50/0	-1.05/+1.05	0/+1.50	+1.05/+1.05

CAMBER/CASTER SERVICE ADJUSTERS - F-250/F-350 FOUR-WHEEL DRIVE (4WD) AND ALL F-450/F-550

Adjustment Circle	Nominal Alignment Adjustment @ Position
	0	45	90	135	180	225	270	315
	Cam/Cas	Cam/Cas	Cam/Cas	Cam/Cas	Cam/Cas	Cam/Cas	Cam/Cas	Cam/Cas
0	0/0	0/0	0/0	0/0	0/0	0/0	0/0	0/0
0.25	+0.25/0	+0.18/-0.18	0/-0.25	-0.18/-0.18	-0.25/0	-0.18/+0.18	0/+0.25	+0.18/+0.18
0.5	+0.50/0	+0.35/-0.35	0/-0.50	-0.35/-0.35	-0.50/0	-0.35/+0.35	0/+0.50	+0.35/+0.35
0.75	+0.75/0	+0.53/-0.53	0/-0.75	-0.53/-0.53	-0.75/0	-0.53/+0.53	0/+0.75	+0.53/+0.53
1	+1.00/0	+0.70/-0.70	0/-1.00	-0.70/-0.70	-1.00/0	-0.70/+0.70	0/+1.00	+0.70/+0.70

GENERAL SPECIFICATIONS

Item	Specification
Ride Height - F-250 Rear Wheel Drive (RWD)
Front, LH - camper	107 mm (4.213 in) ± 15 mm (0.59 in)
Front, LH - heavy duty suspension	105 mm (4.133 in) ± 15 mm (0.59 in)
Front, LH - standard suspension	102 mm (4.016 in) ± 15 mm (0.59 in)
Front, RH - camper	98 mm (3.858 in) ± 15 mm (0.59 in)
Front, RH - heavy duty suspension	96 mm (3.780 in) ± 15 mm (0.59 in)
Front, RH - standard suspension	93 mm (3.661 in) ± 15 mm (0.59 in)
Rear - heavy duty (auxiliary spring)	207 mm (8.150 in) ± 25 mm (0.98 in)
Rear - standard suspension	203 mm (7.992 in) ± 25 mm (0.98 in)
Ride Height - F-250 Four-Wheel Drive (4WD)
Front - camper	134 mm (5.276 in) ± 15 mm (0.59 in)
Front - heavy duty suspension	134 mm (5.276 in) ± 15 mm (0.59 in)
Front - standard suspension	125 mm (4.921 in) ± 15 mm (0.59 in)
Front - snowplow package (without plow installed)	144 mm (5.669 in) ± 15 mm (0.59 in)
Rear - heavy duty suspension	185 mm (7.283 in) ± 25 mm (0.98 in)
Rear - standard suspension	181 mm (7.126 in) ± 25 mm (0.98 in)
Ride Height - F-350 RWD Single Rear Wheel (SRW) Pickup
Front, LH - camper	107 mm (4.213 in) ± 15 mm (0.59 in)
Front, LH - heavy duty suspension	105 mm (4.133 in) ± 15 mm (0.59 in)
Front, LH - standard suspension	102 mm (4.015 in) ± 15 mm (0.59 in)
Front, RH - camper	98 mm (3.858 in) ± 15 mm (0.59 in)
Front, RH - heavy duty suspension	96 mm (3.779 in) ± 15 mm (0.59 in)
Front, RH - standard suspension	93 mm (3.661 in) ± 15 mm (0.59 in)
Rear - standard suspension	198 mm (7.795 in) ± 25 mm (0.98 in)
Ride Height - F-350 4WD SRW Pickup
Front - camper	133 mm (5.236 in) ± 15 mm (0.59 in)
Front - heavy duty suspension	133 mm (5.236 in) ± 15 mm (0.59 in)
Front - snowplow (without plow installed)	141 mm (5.551 in) ± 15 mm (0.59 in)
Front - standard suspension	123 mm (4.842 in) ± 15 mm (0.59 in)
Rear - standard suspension	192 mm (7.559 in) ± 25 mm (0.98 in)
Ride Height - F-350 RWD Dual Rear Wheels (DRW) Pickup
Front, LH - camper	106 mm (4.173 in) ± 15 mm (0.59 in)
Front, LH - heavy duty suspension	105 mm (4.133 in) ± 15 mm (0.59 in)
Front, LH - standard suspension	104 mm (4.091 in) ± 15 mm (0.59 in)
Front, RH - camper	97 mm (3.818 in) ± 15 mm (0.59 in)
Front, RH - heavy duty suspension	96 mm (3.779 in) ± 15 mm (0.59 in)
Front, RH - standard suspension	95 mm (3.740 in) ± 15 mm (0.59 in)
Rear - standard suspension	203.2 mm (8.0 in) ± 25 mm (0.98 in)
Ride Height - F-350 4WD DRW Pickup
Front - camper	134 mm (5.275 in) ± 15 mm (0.59 in)
Front - heavy duty suspension	134 mm (5.275 in) ± 15 mm (0.59 in)
Front - snowplow (without plow installed)	141 mm (5.551 in) ± 15 mm (0.59 in)
Front - standard suspension	125 mm (4.921 in) ± 15 mm (0.59 in)
Rear - standard suspension	191 mm (7.520 in) ± 25 mm (0.98 in)
Ride Height - F-350 RWD SRW Chassis Cab
Front, LH - extra heavy duty suspension	111 mm (4.370 in) ± 15 mm (0.59 in)
Front, LH - heavy duty suspension	108 mm (4.252 in) ± 15 mm (0.59 in)
Front, LH - standard suspension	106 mm (4.173 in) ± 15 mm (0.59 in)
Front, RH - extra heavy duty suspension	102 mm (4.016 in) ± 15 mm (0.59 in)
Front, RH - heavy duty suspension	99 mm (3.897 in) ± 15 mm (0.59 in)
Front, RH - standard suspension	97 mm (3.819 in) ± 15 mm (0.59 in)
Rear - standard suspension	171 mm (6.732 in) ± 25 mm (0.98 in)
Ride Height - F-350 4WD SRW Chassis Cab
Front - extra heavy duty suspension	145 mm (5.708 in) ± 15 mm (0.59 in)
Front - heavy duty suspension	141 mm (5.551 in) ± 15 mm (0.59 in)
Front - standard suspension	131 mm (5.157 in) ± 15 mm (0.59 in)
Front - snowplow (without plow installed)	141 mm (5.551 in) ± 15 mm (0.59 in)
Rear - standard suspension	175 mm (6.890 in) ± 25 mm (0.98 in)
Ride Height - F-350 RWD DRW Chassis Cab
Front, - extra heavy duty suspension	112 mm (4.409 in) ± 15 mm (0.59 in)
Front, LH - heavy duty suspension	115 mm (4.528 in) ± 15 mm (0.59 in)
Front, LH - standard suspension	110 mm (4.331 in) ± 15 mm (0.59 in)
Front, RH - extra heavy duty suspension	103 mm (4.055 in) ± 15 mm (0.59 in)
Front, RH - heavy duty suspension	106 mm (4.173 in) ± 15 mm (0.59 in)
Front, RH - standard suspension	101 mm (3.976 in) ± 15 mm (0.59 in)
Rear - standard suspension	186 mm (7.323 in) ± 25 mm (0.98 in)
Ride Height - F-350 4WD DRW Chassis Cab
Front - extra heavy duty suspension	144 mm (5.669 in) ± 15 mm (0.59 in)
Front - heavy duty suspension	140 mm (5.519 in) ± 15 mm (0.59 in)
Front - snowplow (without plow installed)	144 mm (5.669 in) ± 15 mm (0.59 in)
Front - standard suspension	132 mm (5.197 in) ± 15 mm (0.59 in)
Rear - standard suspension	197 mm (7.756 in) ± 25 mm (0.98 in)
Ride Height - F-450 Pickup
Front - camper	134 mm (5.276 in) ± 25 mm (0.98 in)
Front - heavy duty suspension	134 mm (5.276 in) ± 25 mm (0.98 in)
Front - snowplow (without plow installed)	141 mm (5.551 in) ± 15 mm (0.59 in)
Front - standard suspension	125 mm (4.921 in) ± 25 mm (0.98 in)
Rear - standard suspension	191 mm (7.520 in) ± 25 mm (0.98 in)
Ride Height - F-450/550 RWD Chassis Cab
Front - extra heavy duty suspension	152 mm (5.984 in) ± 25 mm (0.98 in)
Front - heavy duty suspension	148 mm (5.827 in) ± 25 mm (0.98 in)
Front - snowplow (without plow installed)	155 mm (6.102 in) ± 15 mm (0.59 in)
Front - standard suspension	140 mm (5.512 in) ± 25 mm (0.98 in)
Rear - standard suspension	223 mm (8.779 in) ± 25 mm (0.98 in)
Rear - low deflection spacer	214 mm (8.425 in) ± 25 mm (0.98 in)
Ride Height - F-450/550 4WD Chassis Cab
Front - extra heavy duty suspension	150 mm (5.905 in) ± 25 mm (0.98 in)
Front - heavy duty suspension	146 mm (5.748 in) ± 25 mm (0.98 in)
Front - snowplow (without plow installed)	151 mm (5.944 in) ± 25 mm (0.98 in)
Front - standard	suspension 140mm (5.512 in) ± 25 mm (0.98 in)
Rear - standard suspension	222 mm (8.740 in) ± 25 mm (0.98 in)
Rear - low deflection spacer	213 mm (8.385 in) ± 25 mm (0.98 in)
Ride Height - F-550 Plus RWD
Front - extra heavy duty suspension	146 mm (5.748 in) ± 25 mm (0.98 in)
Front - heavy duty suspension	150 mm (5.906 in) ± 25 mm (0.59 in)
Front - snowplow (without plow installed)	150 mm (5.906 in) ± 25 mm (0.98 in)
Front - standard suspension	139 mm (5.472 in) ± 25 mm (0.98 in)
Rear - standard suspension	222 mm (8.740 in) ± 25 mm (0.98 in)
Rear - low deflection spacer	214 mm (8.425 in) ± 25 mm (0.98 in)
Rear - low deflection spring	217 mm (8.543 in) ± 25 mm (0.98 in)
Rear - low deflection spring and spacer	208 mm (8.190 in) ± 25 mm (0.98 in)
Ride Height - F-550 Plus 4WD
Front - extra heavy duty suspension	149 mm (5.866 in) ± 25 mm (0.98 in)
Front - heavy duty suspension	148 mm (5.827 in) ± 25 mm (0.59 in)
Front - snowplow (without plow installed)	152 mm (5.984 in) ± 25 mm (0.98 in)
Front - standard suspension	145 mm (5.709 in) ± 25 mm (0.98 in)
Rear - standard suspension	221 mm (8.701 in) ± 25 mm (0.98 in)
Rear - low deflection spacer	213 mm (8.386 in) ± 25 mm (0.98 in)
Rear - low deflection spring	216 mm (8.504 in) ± 25 mm (0.98 in)
Rear - low deflection spring and spacer	208 mm (8.188 in) ± 25 mm (0.98 in)
Vehicle Lean (Side-to-Side Height Differences) - F-250, F-350, F-450, F-550
Rear wheel opening (maximum)	19 mm (0.748 in)
Front wheel opening (maximum)	16 mm (0.629 in)
Dogtracking
F-250, F-350, F-450, F-550
Dogtracking - maximum (centerline of front tires compared to centerline of rear tires)	30 mm (1.18 in)
Ball Joint Deflection
Lower	0-1.0 mm (0-0.04 in)
Upper	0-0.6 mm (0-0.024 in)
Track bar	0-1.0 mm (0-0.04 in)
Wheel bearing end play 4WD - maximum radial	0.13 mm (0.005 in)

Measurements listed at curb load. Curb load is defined as "full service fluids, full fuel tank(s), no passengers and no cargo".

TORQUE SPECIFICATIONS

Description

lb-ft

Drag link adjuster sleeve nuts - all

Lower ball joint nut - F-250, F-350, Four-Wheel Drive (4WD) and F-450, F-550 ⁽¹⁾

Rear spring U-bolt nut - F-250, F-350⁽¹⁾

Rear spring U-bolt nut - F-450, F-550⁽¹⁾

Tie-rod adjuster sleeve nuts - all

Upper ball joint nut - F-250, F-350, 4WD and F-450, F-550

Upper ball joint pinch bolt - F-250, F-350, Rear Wheel Drive (RWD)

⁽¹⁾	Refer to the procedure.