GM Service Manual Online
For 1990-2009 cars only

Truck Line

Model

Caster L-R

Cross Caster, L-R

Camber

Cross Camber, L-R

Toe

Steering Wheel Angle

Important: Caster is now relative to ground.

C1500

Silverado, Sierra w/16" Tires

Reg, Ext Cab or Crew Cab

2.35° ± 1.00°

2.60° ± 1.00°

-0.25° ± 0.75°

+0.25° ± 0.60°

0.00° ± 0.60°

+0.10° ± 0.20°

- 1.0° ± 3.5°

C1500

Silverado, Sierra w/17" Tires

Reg, Ext Cab or Crew Cab

2.10° ± 1.00°

2.35° ± 1.00°

-0.15° ± 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

3.20° ± 1.00°

3.45° ± 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

2.40° ± 1.00°

2.70° ± 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

2.10° ± 1.00°

2.35° ± 1.00°

-0.15° ± 0.75°

+0.25° ± 0.60°

0.00°± 0.60°

+0.10° ± 0.20°

- 1.0° ± 3.5°

K1500

Silverado/Sierra/Sierra Denali w/20" Tires

2.45° ± 1.00°

2.75° ± 1.00°

-0.30° ± 0.75°

-0.25° ± 0.60°

0.00° ± 0.60°

+0.10° ± 0.20°

- 1.0° ± 3.5°

C1500

Silverado/Sierra, w/20" Tires (Extended Cab with Torsion Bar Suspension

3.55° ± 1.00°

3.85° ± 1.00°

-0.30° ± 0.75°

-0.10° ± 0.60°

0.00° ± 0.06°

+0.10° ± 0.20°

- 1.0° ± 3.5°

C1500

Silverado/Sierra, w/20" Tires (Crew Cab with Torsion Bar Suspension

2.45° ± 1.00°

2.75° ± 1.00°

-0.30° ± 0.75°

-0.10° ± 0.60°

0.00° ± 0.06°

+0.10° ± 0.20°

- 1.0° ± 3.5°

K1500HD

Silverado, Sierra

Crew Cab

2.95° ± 1.00°

3.20° ± 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

3.20° ± 1.00°

3.45° ± 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

2.95° ± 1.00°

3.20° ± 1.00°

-0.25° ± 0.75°

+0.25° ± 0.60°

0.00° ± 0.60°

+0.10° ± 0.20°

-1.0° ± 3.5°

C/K2500HD

Silverado, Sierra

Reg, Ext Cab or Crew Cab

2.95° ± 1.00°

3.20° ± 1.00°

-0.25° ± 0.75°

+0.25° ± 0.60°

0.00° ± 0.60°

+0.10° ± 0.20°

-1.0° ± 3.5°

C25/K25 Classic

Suburban, Yukon XL, Avalanche

3.20° ± 1.00°

3.45° ± 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

2.50° ± 1.00°

2.85° ± 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

2.50° ± 1.00°

2.85° ± 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

2.85° ± 1.00°

3.35° ± 1.00°

-0.50° ± 0.75°

+0.25° ± 0.60°

0.00° ± 0.60°

+0.10° ± 0.20°

-1.0° ± 3.5°