Snap bushing for a commercial vehicle

A method for installing a steering assembly for a vehicle, comprising:

• providing a housing configured to be mounted to a chassis of the vehicle, at a firewall between a driver cab and an engine bay of the vehicle, wherein the housing defines a first through hole connecting the driver cab and the engine bay;
• providing a top cap defining a second through hole mounted on the housing on a side facing away from the firewall, the top cap and housing defining a chamber therebetween;
• providing a steering shaft disposed in the first and second through holes, having a first end mechanically coupled to an upper steering shaft, and a second end mechanically coupled to a lower steering shaft, and
• wherein a portion of the steering shaft within the first and second through holes includes an upper groove and an axially spaced lower groove each circumferentially surrounding the shaft;
• and
• providing an annular bearing disposed in the chamber and circumferentially surrounding the steering shaft, the annular bearing having:
• an upper snapping mechanism that is configured to snap into the upper groove, and a lower snapping mechanism configured to snap into the lower groove;
• an outer convex surface abutting an inner wall of the chamber;
• and
• an inner convex surface that abuts the steering shaft,
• wherein the annular bearing is configured to limit an axial movement of the steering shaft via the upper and lower snapping mechanisms during operation of the vehicle and to permit rotation of the steering shaft.