Leaf springs are an important part of the suspension system on trailers. They are used to cushion the trailer from bumps in the road and provide support to the axle, allowing it to carry the weight of the trailer’s load. Leaf springs also help to reduce the wear and tear on the tires, suspension components, and other trailer parts.

When to Replace Trailer Leaf Springs – 10 Points

1. If your trailer has developed a sag in the suspension system, it is likely that the leaf springs need to be replaced.

2. If the trailer is showing signs of corrosion, especially on the springs, it is time to replace them.

3. If the trailer’s ride is bumpy or uncomfortable, replacing the leaf springs may help to improve the ride.

4. If you notice that the trailer is no longer level after loading, it may be time to replace the leaf springs.

5. If you are replacing the tires, it is a good idea to replace the leaf springs at the same time.

6. If the trailer is starting to lean to one side, check the leaf springs for wear and tear.

7. If the trailer is beginning to show signs of wear and tear, it is time to replace the leaf springs.

8. If you have recently added a heavier load to your trailer, it may be necessary to replace the leaf springs.

9. If the trailer is no longer providing a smooth ride, there may be an issue with the leaf springs.

10. If the leaf springs are over five years old, it is recommended to replace them.

How to Measure Trailer Leaf Springs

1. Measure the distance between the center of the two mounting bolts. This is the width of the leaf spring.

2. Measure the length of the leaf spring from the center of the mounting bolt to the end of the spring.

3. Measure the distance between the leaves at their widest point. This is the arch of the spring.

4. Measure the thickness of the leaves.

5. Measure the distance between the end of the leaf spring and the axle. This is the eyelet spacing.

6. Measure the diameter of the axle.

7. Measure the width of the axle.

These measurements will help you determine the size and type of trailer leaf spring you need to replace your existing one.

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