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Like any other system on your car with moving parts, your suspension requires lubrication to prevent wear and ensure optimal performance. And just as your engine needs a specific weight motor oil and a particular antifreeze is specified for use in your cooling system, suspension components must be serviced with the proper lubricant. No matter what type of suspension you have, we have the lubricants to keep it operating smoothly.
Many of the replacement and performance suspension parts we offer are designed to be greasable, and come with zerk fittings to facilitate lubrication. These include the ball stud sockets at the ball joints, at steering components like tie rod ends, center links, drag links, idler arms, and pitman arms, as well as the sway bar links on some applications. Polyurethane bushings can also be greased.
Besides preventing premature wear, periodic lubrication will also help ensure you have precise and responsive steering and handling. When parts wear, excessive clearance can develop, and this can result in hesitation and poor response as these clearances are taken up in the joints. Lack of lubrication can also result in excessive friction, which also negatively affects steering and handling. Instead of the vehicle easily responding to direction, additional effort must be used to overcome resistance in the joints.
When ball stud sockets are greased, the lubricant flushes away old worn grease and contaminants, which can cause wear. Eliminating this debris and applying fresh grease prolongs the life of the component. Most of these assemblies have a release valve in the dust boot, and the joint should be lubricated until the old grease is completely expelled. If there is no relief valve, the joint should be greased just until the boot starts to swell. Heavy-duty lithium or synthetic grease should be used. Lubrication also provides the opportunity to check for play in the joints as well as the condition of the dust boots.
Polyurethane bushings are more rigid than rubber, and the choice of enthusiasts who want responsive handling. However, squeaking noise and premature wear can develop if they are not lubricated properly. Some types of grease can deteriorate polyurethane and other types don’t last. We offer lubricants specially developed by the polyurethane bushing manufacturers. These are silicone based, water resistant and remain functional through a wide temperature range. Bushings should be lubricated during installation, and some come with grease zerks and a channel design that allows grease to flow to inner bushing surfaces.
Some older vehicles are equipped with hydraulic self-leveling systems to maintain consistent ride height when loaded and unloaded. These systems function similarly to those on modern vehicles, except hydraulic oil rather than air is pressurized. In order to operate properly, the correct fluid must be used, and we have the type that is recommended for most applications. Racing shock absorbers are often designed to be rebuilt, so common wear parts can be replaced, eliminating the need to replace the entire unit. When these shocks are assembled, the proper weight oil must be used to maintain damping qualities. On our digital shelves you’ll find oil that is specially formulated by the top shock manufacturers.