Comprehensive Guide to Dexter 3500 lb Axle Bearings: Maintenance, Replacement, and Troubleshooting

Axle bearings are critical components that play a crucial role in the performance and safety of your trailer. Dexter 3500 lb axle bearings are no exception, and their proper maintenance and timely replacement are essential for a safe and smooth towing experience.

Understanding Dexter 3500 lb Axle Bearings

Dexter 3500 lb axle bearings are designed to support the weight of your trailer and allow the wheels to rotate smoothly. They consist of two sets of bearings, one for each side of the axle. The inner bearing is pressed onto the axle, while the outer bearing is housed in the hub.

Types of Dexter 3500 lb Axle Bearings

There are two main types of Dexter 3500 lb axle bearings:

• Tapered Roller Bearings: These bearings are designed to withstand heavy loads and are commonly used in trailers with single axles.
• Ball Bearings: These bearings are less expensive than tapered roller bearings but are also less durable. They are typically used in trailers with tandem axles.

Maintenance and Inspection

Regular maintenance and inspection of your Dexter 3500 lb axle bearings are crucial to prevent premature failure and ensure optimal performance.

Maintenance Schedule

• Inspect Bearings Annually: Remove the hub and visually inspect the bearings for any signs of wear, damage, or corrosion.
• Lubricate Bearings Every 2-3 Years: Repack the bearings with high-quality bearing grease to ensure proper lubrication.
• Replace Bearings Every 5-7 Years: Even with regular maintenance, bearings will eventually wear out and need to be replaced.

Inspection Procedure

To inspect your Dexter 3500 lb axle bearings, follow these steps:

1. Jack up the trailer and remove the wheel.
2. Remove the hub using a hub puller.
3. Remove the bearings from the hub and inspect them for wear, damage, or corrosion.
4. If any signs of wear or damage are present, replace the bearings immediately.

Replacement

If your Dexter 3500 lb axle bearings need to be replaced, it is recommended to have the work done by a qualified mechanic. However, if you are confident in your mechanical abilities, you can replace the bearings yourself using the following steps:

Step-by-Step Replacement Procedure

1. Jack up the trailer and remove the wheel.
2. Remove the hub using a hub puller.
3. Remove the old bearings from the hub and clean the hub thoroughly.
4. Apply a thin layer of bearing grease to the new bearings and place them in the hub.
5. Reinstall the hub and tighten the bolts to the specified torque.
6. Reinstall the wheel and lower the trailer.

Troubleshooting

If you are experiencing problems with your Dexter 3500 lb axle bearings, there are several common issues to consider:

Common Issues

• Wear or Damage: Bearings can wear out over time or become damaged due to excessive load, improper lubrication, or contamination.
• Underlubrication: Insufficient lubrication can cause bearings to overheat and fail.
• Overtightening: Overtightening the hub bolts can crush the bearings and cause premature failure.
• Loose Wheels: Loose wheels can put additional stress on the bearings, leading to wear or damage.
• Contamination: Dirt, water, or other contaminants can enter the bearings and damage them.

Diagnosis and Repair

To diagnose and repair bearing problems, follow these steps:

1. Inspect the Bearings: Remove the hub and inspect the bearings for wear, damage, or contamination.
2. Check Lubrication: Apply a thin layer of bearing grease to the bearings and check for any signs of overheating or damage.
3. Tighten Hub Bolts: Ensure that the hub bolts are tightened to the specified torque.
4. Check for Loose Wheels: Inspect the wheels for any loose lug nuts or bolts.
5. Clean Bearings: If the bearings are contaminated, clean them thoroughly with a solvent and repack them with grease.

Pros and Cons

Pros:

• Durability: Dexter 3500 lb axle bearings are designed to withstand heavy loads and provide long-lasting performance.
• Reliability: These bearings are known for their reliability, ensuring a smooth and trouble-free towing experience.
• Cost-effectiveness: While Dexter 3500 lb axle bearings are slightly more expensive than other bearings, their durability and reliability make them a cost-effective choice in the long run.

Cons:

• Initial Cost: Dexter 3500 lb axle bearings are initially more expensive than other bearings.
• Regular Maintenance: These bearings require regular maintenance, such as inspection, lubrication, and replacement, which can add to the overall cost of ownership.

Frequently Asked Questions

Q: How often should I inspect my Dexter 3500 lb axle bearings?

A: It is recommended to inspect your bearings annually or whenever you notice any symptoms of bearing failure.

Q: How do I know if my Dexter 3500 lb axle bearings need to be replaced?

A: Signs of bearing failure include excessive play, noise, vibration, or overheating.

Q: Can I replace Dexter 3500 lb axle bearings myself?

A: Yes, but it is recommended to have the work done by a qualified mechanic if you are not confident in your mechanical abilities.

Q: How much does it cost to replace Dexter 3500 lb axle bearings?

A: The cost of replacing Dexter 3500 lb axle bearings varies depending on the labor rates and the specific parts used. However, you can expect to pay between $200 and $500 per axle.

Q: What is the best type of bearing grease for Dexter 3500 lb axle bearings?

A: Use a high-quality bearing grease specifically designed for automotive applications.

Q: How long do Dexter 3500 lb axle bearings typically last?

A: With proper maintenance, Dexter 3500 lb axle bearings can last for 5-7 years or more.

Conclusion

Maintaining and inspecting your Dexter 3500 lb axle bearings is crucial for the safety and performance of your trailer. By following the maintenance schedule, promptly diagnosing and repairing any issues, and replacing bearings when necessary, you can extend the lifespan of your trailer and enjoy a safe and hassle-free towing experience.