King pins bushings driver#
These catch points would make it hard for the driver to input small corrections without first having to overcome the binding from the damaged components. “In critical cases, this lack of grease can cause the shims to wear away and create catch points in the steering. “The driver could have a difficult time steering the truck, as without proper lubrication shims will not allow for easy movement of the steering,” says Scott Donnelly, aftermarket training manager, senior quality engineer, Dana Aftermarket. “It almost might feel like an alignment issue, but it could potentially be the kingpin.” Meritor is a global supplier of drivetrain, mobility, braking, and aftermarket solutions for commercial vehicle and industrial markets. “The driver can potentially feel pull or shimmy in the wheel when steering or when going straight,” says Jackie Stockwell, product manager for aftermarket front steer axle and electrification at Meritor.
The first person to notice a potential steer axle kingpin issue will most likely be the driver. Should warning signs be ignored, not only will the replacement procedure become more difficult, but additional maintenance issues will need to be dealt with along with additional safety concerns as they relate to the vehicle’s ability to operate. Understanding the warning signs that indicate a potential steer axle kingpin issue will go a long way when it comes time to replace the kingpin itself. The most crucial aspect in preventive maintenance regarding the steer axle kingpin is lubrication. Replacing a steer axle kingpin can be a long and tedious procedure, but preventive maintenance practices can help ease future full-service jobs as well as prolong the life of the kingpin and extend the time between replacements. The role of the steer axle kingpin is to maintain steering geometry on the vehicle as it provides the ability for the wheel ends to turn the vehicle left or right.īeing that the steer axle kingpin is a critical component, service and maintenance must never fall behind. It is also the point of connection for the spindle knuckle, the wheel ends, and the steer axle.
The steer axle kingpin is the pivot point between the axle beam and the wheel ends.
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