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Wheel Alignment

GENERAL MOTORS WHEEL ALIGNMENT SPECIFICATIONS

Application

Axle Gap (Inches)⁽¹⁾

Caster (Degrees)⁽³⁾

Camber (Degrees)⁽³⁾

Toe-In (Inches)⁽⁴⁾

Steering Axis Inclin.

Chevrolet & GMC ⁽¹⁾

C10

3

+2

+1/4

3/16

.....

3 1/2

+1 1/4

+1/4

.....

.....

4

+3/4

+1/4

.....

.....

4 1/2

+1/4

+1/4

.....

.....

5

-1/2

+1/4

.....

.....

C20 & 30

2 1/2

+1 1/2

+1/4

3/16

.....

3

+1

+1/4

.....

.....

3

+1

+1/4

.....

.....

4

0

+1/4

.....

.....

4 1/2

-1/2

+1/4

.....

.....

5

-1

+1/4

.....

.....

K10, 20 & 30

.....

+8

+1 1/2

0

.....

G10, 20 & 30

2 1/2

+3 1/4 ⁽⁵⁾

+1/4

3/16

.....

3

+1 1/2

+1/4

.....

.....

3 1/2

+1

+1/4

.....

.....

4

+1/2

+1/4

.....

.....

4 1/2

0

+1/4

.....

.....

5

-1/2

+1/4

.....

.....

P10, 20 & 30

2 1/2

+2 1/2

.....

3/16

.....

3

+2

+1/4

.....

.....

3 1/2

+1 1/2

+1/4

.....

.....

4

+3/4

+1/4

.....

.....

4 1/2

+1/4

0

.....

.....

5

-1/4

-1/4

.....

.....

5 1/2

.....

-3/4

.....

.....

P30-MHC

2 1/2

+4 3/4

0

5/16

.....

3

+5

+1/4

.....

.....

3 1/2

+4 1/2

+1/4

.....

.....

4

+4

0

.....

.....

4 1/2

+3 1/2

0

.....

.....

5

+3

-1/2

.....

.....

5 1/2

.....

-1

.....

.....

⁽¹⁾	The vehicle series and model application in this table has been abbreviated for common reference to both Chevrolet and GMC. Chevrolet models use numerical designations as listed; GMC models use numerical designations as follows: 1500 = 10; 2500 = 20; 3500 = 30.

⁽²⁾	Axle gap is clearance between jounce bumper and frame.

⁽³⁾	Plus or minus 1/2°.

⁽⁴⁾	Plus or minus 1/16".

⁽⁵⁾	G30 Set at 2 1/4°.