The upper bushing had always been very prone to wear and the Torrington kits helped solve that problem for as long as cars used king pins. Thanks to Brown's creation, Torrington became a leading manufacturer of anti-friction bearings and one of its automotive products was part of an upgrade kit for king pins that replaced the upper bushing in a steering knuckle with a Torrington needle bearing. Brown developed a new type of bearing with needles in it that became one of the company's biggest selling products. During the Great Depression a Torrington engineer named Edward K. of Torrington, Conn., started as the Excelsior Needle Co., a firm that used a "cold swaging" technique to create sewing machine needles and other needles from cold metal. However, you will know because the car should steer better and the king pins should last longer.
#Replacing king pins install#
You can install one of these kits and no one will know that your old car's king pins have been upgraded.
#Replacing king pins how to#
We recommend undersizing the bushing bore every so slightly so that the kingpin fits tight during assembly - if the kingpin fitment is loose, the bushing will have to be replaced.CAR RESTORATION HOW TO Old-time upgrade for your old-time car's king pinsĪ king pin kit with a Torrington needle bearing is a completely hidden old-time upgrade for your old-time car. Frequently check with micrometer and kingpin.
It took about 10 minutes to hone each bushing to the proper inside diameter. It's self-centering, very forgiving, and removes material slowly. Without keeping the reamer straight, there is a high risk of over-reaming and/or cutting the bushing crooked.Ĭase in point, we used a brake cylinder hone in place of a reamer.
#Replacing king pins driver#
Services both king pins, driver and passenger side. The wheel bearings are somewhat expensive on the C3500HD do to its GVWR but they should not be reused. Additionally, you will need to replace the inner and outer wheel bearings before reinstalling the wheel hub assemblies. King pins are always replaced in pairs, never on one side or another. Before assuming that the king pins are to blame for steering issues, inspect the condition of the ball joints at the steering knuckles and tie rod assemblies. Worn king pin bushings typically result in erratic side-to-side movement of the tires, difficultly keeping the truck driving in a straight path (wandering), and excessive play in the steering system. King pin axles are obsolete in cars and light trucks as independent front suspension provide far better ride quality. A king pin is a very simple, reliable pivot system with the ability to withstand a significant amount of weight - thus they are the steering axle system of choice in the medium and heavy truck segments.
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