Tire waddle is a side to side movement at the front of the vehicle and/or the rear of the vehicle. The waddle can be caused by the following conditions:

The tire waddle is most noticeable at a low speed of about 8-48 km/h (5-30 mph). The tire waddle may appear as ride roughness at 80-113 km/h (50-70 mph). The tire waddle may appear as a vibration at 80-113 km/h (50-70 mph).

1. Raise the vehicle.
2. Support the vehicle with safety stands.
3. Perform the following preliminary inspection:

3.1.	Wear gloves when inspecting the tires in order to protect against the possibility of the steel belts sticking through the tire.

3.2.	Index mark the tire with a crayon in order to note the start and the stop position.

3.3.	Rotate each tire and wheel by hand.

3.4.	Inspect the tire for bulges or bent wheels and replace as necessary.

4. You may use tire substitution in order to identify the faulty tire. Perform the following steps for a tire substitution check:

4.1.	Use a comparable tire in order to replace each tire, 1 at a time.

4.2.	Test drive the vehicle.

4.3.	You will eliminate the problem when you remove the faulty tire from the vehicle, if the problem is tire and/or wheel related.