Vehicle Ride Height

Fig. 1 Ride Height Specifications:

1. Check all wheels and tires for the following:
a. Wheels must be the same size and design, right and left side, on each axle.
b. Tires must be same brand, tire size, thread design and of equal thread wear side to side on each axle.
c. Check air pressure of all tires, inflate to manufacturers specifications.

2. Check front and rear suspension for the following:
a. Ensure the same springs are on the left and right front. The front front springs have I.D tags indicating the part number.
b. Ensure rear springs are the same. The part numbers are stamped on the bottom left just behind the U-bolt attachment.

3. Jounce the vehicles front and rear end to normalize the vehicles static ride height.
4. Measure the height of the right and left fender lip opening dimensions ``A'' and ``B'' shown in Fig. 1, noting dimensions of each and side to side differences. If these differences are greater than 5/8 inch between left or right front and/or 3/4 inch between left and right rear adjust ride height as follows:
a. Subtract the difference between the left and right side. For example: if the difference exceeds 1/4 inch and is less than 3/4 inch, measured at the wheel house opening to ground, add one shim to the side of the vehicle that is low. Side to side difference would now be 1/4 inch. The shim is to be placed under the lower spring seat.
b. Changing front ride height by adding the service shim also affects caster angles. Adding the 4.5mm shim may reduce caster by adding up to 0.40 degrees on the side the shim is added.