Title: Service the kingpins, steering knuckle bushings, locks bearings, seals, and covers.
Course: Diesel Equipment Technology II (20107-II) > Section: Suspension and Steering: Servicing the Suspension Systems

Servicing should include

- having each front-end component assists in horizontal and vertical movement of the vehicle
- inspecting each of the components often for wear and damage, prior to lubing parts
- lifting the front of the vehicle by using a jack under the axle to remove tension from all components, per manufacturer guidelines.

ASE 1: IV. Suspension and Steering: D.  Steering Linkage  (P-1)

Process/Skill Questions:

- How does one determine whether a component has excessive wear?
- What should be done if any noises are heard when examining the front end of the vehicle?
- What should be done to correct any noticeable binding between components?
- When would an axle need to be on the ground to inspect kingpins?