GM Service Manual Online
For 1990-2009 cars only
Table 1: Rear Wheel Drive
Table 2: Full-Time Four-Wheel Drive

Rear Wheel Drive

To Align (A)

Service Checking

Service Setting

Caster*

+2.7°  ± 1.0° (C)

+2.7° ± 0.50° (B)

Camber

+0.80° ± 0.80° (C)

+0.80° ± 0.50° (B)

Toe-In (Degrees-Per Wheel)

+0.10° ± 0.10° (D)

+0.10° ± 0.05° (D)

Full-Time Four-Wheel Drive

To Align (A)

Service Checking

Service Setting

Caster*

+2.0° ± 1.0°

+2.0° ± 0.50°

Camber

0.89° ± 0.88°

+0.89° ± 0.4°

Toe-In (Degrees-Per Wheel)

-0.05° ± 0.10°

-0.05° ± 0.05°

    • The vehicle must be jounced three times before checking alignment in order to eliminate the false readings.
    • (A) The front suspension Z dimension and the rear suspension D are indicated in Trim Heights. Refer to Trim Height in Suspension General Diagnosis.
        The front end alignment specifications are indicated in the table.
    • (B) The left and the right side to be equal within 0.50 degree.
    • (C) The left and the right side to be equal within 1.0 degree.
    • (D) The toe-in left and right side to be set separately per wheel and the steering wheel must be held straight ahead position within 4 - 6 degrees.
    • *The caster set is relative to the ground.