Wheel Alignment Specifications

Truck Line	Model	Caster L-R		Cross Caster, L-R	Camber	Cross Camber, L-R	Toe	Steering Wheel Angle
IMPORTANT: Caster is relative to frame. The caster values must be compensated for the measured frame angle. Frame angle is positive when higher in the rear and negative when lower in the rear. Refer to Front Caster and Camber Adjustment .
C1500	Silverado, Sierra w/16" Tires Reg, Ext Cab or Crew Cab	3.75° +/- 1.00°	4.00° +/- 1.00°	- 0.25° +/- 0.75°	+0.25° +/- 0.60°	0.00° +/- 0.60°	+0.10° +/- 0.20°	- 1.0° +/- 3.5°
C1500HD	Silverado, Sierra w/16" Tires Crew Cab	4.50° +/- 1.00°	4.75° +/- 1.00°	-0.25° +/- 0.75°	+0.25° +/- 0.60°	0.00° +/- 0.60°	+0.10° +/- 0.20°	-1.0° +/- 3.5°
K1500	Silverado, Sierra w/16" Tires Reg, Ext Cab or Crew Cab	3.80° +/- 1.00°	4.10° +/- 1.00°	- 0.30° +/- 0.75°	+0.25° +/- 0.60°	0.00° +/- 0.60°	+0.10° +/- 0.20°	- 1.0° +/- 3.5°
K1500	Silverado, Sierra w/17" Tires Reg, Ext Cab or Crew Cab	3.60° +/- 1.00°	4.30° +/- 1.00°	-0.70° +/- 0.75°	+0.25° +/- 0.60°	0.00°+/- 0.60°	+0.10° +/- 0.20°	- 1.0° +/- 3.5°
K1500	Sierra Denali w/20" Tires	3.50° +/- 1.00°	4.50° +/- 1.00°	-1.00° +/- 0.75°	- 0.25° +/- 0.60°	0.00° +/- 0.60°	+0.10° +/- 0.20°	- 1.0° +/- 3.5°
C1500/K 1500	Silverado/Silverado SS/Sierra, w/20" Tires	4.10° +/- 1.00°	5.10° +/- 1.00°	-1.00° +/- 0.75°	-0.10° +/- 0.60°	0.00° +/- 0.60°	+0.10° +/- 0.20°	- 1.0° +/- 3.5°
K1500HD	Silverado, Sierra Crew Cab	4.25° +/- 1.00°	4.50° +/- 1.00°	-0.25° +/- 0.75°	+0.25° +/- 0.60°	0.00° +/- 0.60°	+0.10° +/- 0.20°	- 1.0° +/- 3.5°
C2500LD	Silverado, Sierra Reg or Ext Cab	4.50° +/- 1.00°	4.75° +/- 1.00°	-0.25° +/- 0.75°	+0.25° +/- 0.60°	0.00° +/- 0.60°	+0.10° +/- 0.20°	- 1.0° +/- 3.5°
K2500LD	Silverado, Sierra Reg, Ext Cab or Crew Cab	4.25° +/- 1.00°	4.50° +/- 1.00°	-0.25° +/- 0.75°	+0.25° +/- 0.60°	0.00° +/- 0.60°	+0.10° +/- 0.20°	-1.0° +/- 3.5°
C2500HD	Silverado, Sierra Reg, Ext Cab or Crew Cab	4.25° +/- 1.00°	4.50° +/- 1.00°	-0.25° +/- 0.75°	+0.25° +/- 0.60°	0.00° +/- 0.60°	+0.10° +/- 0.20°	-1.0° +/- 3.5°
K2500HD	Silverado, Sierra Reg, Ext Cab or Crew Cab	4.25° +/- 1.00°	4.50° +/- 1.00°	-0.25° +/- 0.75°	+0.25° +/- 0.60°	0.00° +/- 0.60°	+0.10° +/- 0.20°	-1.0° +/- 3.5°
C3500/3600	Silverado, Sierra Reg, Ext Cab or Crew Cab	4.25° +/- 1.00°	4.50° +/- 1.00°	-0.25° +/- 0.75°	+0.25° +/- 0.60°	0.00° +/- 0.60°	+0.10° +/- 0.20°	-1.0° +/- 3.5°
K3500/3600	Silverado, Sierra w/Dually Reg, Ext Cab or Crew Cab	4.25° +/- 1.00°	4.50° +/- 1.00°	-0.25° +/- 0.75°	+0.25° +/- 0.60°	0.00° +/- 0.60°	+0.10° +/- 0.20°	-1.0° +/- 3.5°
K3500/3600	Silverado, Sierra Non-Dually Reg, Ext Cab	4.50° +/- 1.00°	5.00° +/- 1.00°	-0.50° +/- 0.75°	+0.25° +/- 0.60°	0.00° +/- 0.60°	+0.10° +/- 0.20°	-1.0° +/- 3.5°
C/K 1500	Silverado, Sierra with Rear Wheel Steering - Values are for the rear of the vehicle.	-	-	-	-0.50° +/- 0.50°	-	0.00° +/- 0.20°	-1.0° +/- 3.5° Thrust Angle 0.00° +/- 0.15°