Do polyurethane bushings need grease?

Polyurethane should only be lubricated with one specific type of grease to insure long bushing life, and squeak-free performance, Silicone based synthetic water-proof grease. We've found this grease to be so good, we use it for the entire chassis lubrication on the cars we build and race out of our shop.

How often do you have to grease polyurethane bushings?

Maintenance: Unlike rubber suspension bushings, poly ones need to be greased every three to five years. Feel of the Road: Polyurethane bushings help the vehicle feel like an extension of the driver. The bumps and potholes become more pronounced.

Do you put grease on bushings?

Supplied grease should only be applied to the bores and outer flanges of all bushings and components - do not grease the outside surfaces of bushings and components.

Will lithium grease damage polyurethane bushings?

After Effects of Greasing

After calling the manufacturer of these bushings they said that they strongly advise using the manufacturer supplied grease because some lithium based grease could actually cause the bushing to dry out and even crack.

What is the best lubricant for polyurethane bushings?

Polyurethane should only be lubricated with one specific type of grease to insure long bushing life, and squeak-free performance, Silicone based synthetic water-proof grease. We've found this grease to be so good, we use it for the entire chassis lubrication on the cars we build and race out of our shop.

Mark Larkham talks Bushing Lubrication

Do rubber bushings need grease?

Lubricate

Rubber bushings do not require lubrication, but polyurethane or Delrin versions do. We typically stick with the silicone-based grease that is supplied with most kits.

Is polyurethane stronger than rubber?

In the case of tires, seals, and some belts, rubber is the best material. In the case of bushings, spacers, and high load components, polyurethane is the better choice. Polyurethane has higher abrasion, cut, and tear resistance. It can be made in a higher hardness rating and it has better load bearing capacity.

Do sway bar bushings need to be greased?

Should sway bar bushings be lubricated? Many poly bushings are not supposed to be lubricated either, but poly is notorious for squeaking and lubing them a bit reduces the noise. However, the wrong lube can cause them to deteriorate more quickly, holds on to grime which then wears away at the bushing, etc.

Is silicone spray good for rubber bushings?

Spray silicone is safe to use on all rubber components including control arm bushings and door weather-strip foam.

Will WD 40 damage rubber bushings?

Can you spray WD-40 on suspension bushings? The answer is NO. One of the main ingredients in WD-40 is petroleum distillates. This is not something that you want to go slathering on your rubber bushings because it will break them down over time.

Does lithium grease damage rubber?

Lithium-based lubricants are used in cars and machinery in general. It's not advisable to use them on plastic parts. As lithium is based on petroleum, it tends to speed up rubber and plastic components decay.

Can I use silicone spray on suspension bushings?

If the sound is from a rubber suspension bushing, silicone spray is better. It won't last as long, but the silicone won't degrade the rubber bushing.

How long do polyurethane bushings last?

With proper care, polyurethane bushings can last the lifetime of the vehicle. The bushings will need to be re-greased every few years. Without proper lubrication, the bushings can wear, squeak, and bind. Some polyurethane bushings have a grease fitting.

How do you make polyurethane bushings softer?

Unscrew the bolt holding the bushings in place and slide them right off. Heat up a pot of water on the stove. Place the bushings in the pot for 10 to 15 minutes. Turn off the heat and remove the bushings while they are still hot.

Why do my bushings squeak?

Bushings can begin to squeak if the rubber becomes torn or dried out. This is a result of natural weathering overtime from the environment and contact with motor oil and other chemicals. Friction over time combined with the stress from driving and frequent movements can compound this issue.

Why do my trucks squeak?

Squeaking trucks are by no means a serious issue and is a common problem, it just means your bushings are a little dry. The simple solution to this is to apply a small amount of lubricant to the bushings.

Do thermoplastic bushings need grease?

Thermoplastic bushings should not be lubricated. A simpler way to tell is to lube them if they came with lube in the box, and don't lube them if they didn't. Either the little slip in the package is the model number or the number on the side of the box is so I'll include both.

Do MOOG end links come greased?

While MOOG greaseable parts come greased from the factory, they should also be greased at the time of installation to fill the dust boot and lubricate the interface between the boot and mating part.