What is pack thickness on a leaf spring?
3. Pack Thickness: a. Measured at the center bolt down the side of the spring including all leaves, tow eyes, shock eyes and pads.
What should I put between leaf springs?
Modern leaf springs do not need lubricating with oil — which may damage any anti-friction material between leaves. Spray them instead with a silicone-based lubricant. With most modern cars, leaf springs are found mainly in the rear suspension.
What sizes do leaf springs come in?
An inside diameter of 9/16″ is the most common size, but some older trailers used 1/2″ bushings/bolts. Most leaf springs we sell include a 9/16″ ID bushing in the closed eye, however some are supplied with a 1/2″ ID bushing. Also note that spring capacity is given per each spring-thus a 4,000 lb.
How do I make my leaf springs ride smoother?
The following steps can make a huge difference:
- Reduce the unsprung mass.
- Soften the suspension system.
- Change the wheels and tires.
- Modify the chassis.
- Eliminate the vibrations.
- Get new leaf springs.
Should you grease leaf spring bushings?
Leaf springs don’t have zerk fittings and they’re a pain to service once installed – properly greasing the bushings on initial installation is the best way to ensure silent operation as long as possible.
How do I know what type of leaf springs I have?
One method of identifying a leaf spring is using the O.E.M. part number. O.E.M or stamping numbers are located on various areas of the leaf spring. You can quickly search for OEM part numbers and SRI numbers by entering the part number in the search box at the top of this page.
Can you replace leaf spring bushings?
Replacing leaf spring bushings on your vehicle can be a big job, but if you have the right tools, a little patience, and time, you can do it in a weekend. Leaf spring bushings serve to isolate the vehicle from road vibration and bumps in the road.
Why are leaf springs different lengths?
As leaf springs compress and extend, the arch changes causing the spring to get longer and shorter as they cycle. One end of the spring is fixed to the chassis, while the other end uses a shackle to account for this change in length.
What do longer leaf springs do?
The biggest advantage to long springs is better ride. As the years go, truck and SUV’s are getting longer rear leaf springs. They support load just as well long or short, but the bump dynamics are better with longer springs. In general, longer springs have a lower deflection rate which helps to absorb bumps better.
Do you grease leaf spring bushings?