Steering System Maintenance Instructions (Cont)
12-10. STEERING SYSTEM ALINEMENT (CONT).
Adjust steering toe-in (para 12-9).
Move vehicle straight ahead about 15
feet (5 m) to remove flex from tires and
tension on suspension.
Do steps (2.1) through (2.4) for tires without
mold line. Go to step (3) for tires with mold
(2.1) Chock wheels on axle No. 3.
(2.2) Jack up axles and position jackstands
under each side of suspension beams.
A sharpened piece of steel stock will be used as a marking device and a jackstand will
make the marking device stationary. Use a clamp to hold steel stock to jackstand. The
marking device must be able to make a visible mark on the tire.
A visible mark must be made as close to the centerline of the tire as possible.
(2.3) Soldier A spins tire (1). Soldier B holds steel stock in place at centerline of tire. Soldier A
continues turning tire until a visible mark is made around entire diameter of tire.
(2.4) Lower axles and remove chock blocks.
Scribe or mold line is center of tire.
Distance A is always taken from the side of vehicle where the lateral torque rod is
attached. Drivers side for axle No. 1; passengers side for axle No. 2.
Measure and record distance from center of axle No. 1 tire (1) to outside of rear frame rail (2) and
label distance (A).
Repeat step (3) for other tire and label distance (B).
Subtract smaller number from larger number. If answer is 1/4 in. (6 mm) or less, go to step (11).
If answer is larger than 1/4 in. (6 mm), continue with step (6).