A semi-truck wheel-end system refers to the components located at the ends of the truck’s axles where the wheels are mounted. These systems are essential for the proper functioning and safety of the vehicle. Parts of the wheel end system include wheels, bearings, hubs, rims and some brake components.
Keeping an eye on your wheel-end system and regular fleet maintenance will ensure the performance, safety and reliability of your semi-truck.
What’s the Deal with Semi-truck Wheel End System Maintenance?
Regular fleet maintenance and inspection of these parts are not just routine tasks, but crucial steps in ensuring driver safety and preventing breakdowns. Shockingly, the Commercial Vehicle Safety Alliance (CVSA) reports that approximately 25% of past commercial vehicle incidents were caused by faulty wheel end systems, leading to accidents and trucking violations declared by the Federal Motor Carrier Safety Administration (FMCSA).
The wheel end system supports heavy loads much of the time. Keeping it in tip-top shape helps it remain stable, avoiding wheels coming off and serious accidents.
Checking the Wheel End System
Pre-trip inspections are critical before any hauling trip, checking for leaky hubs, tires or wheel seals. Inspections should also include checking the wheel bearings, rims, and other supporting parts, such as locking rings and clamps. Always check the tire tread and pressure.
When you bring your truck into Motorplex for fleet maintenance, we will inspect your entire wheel end system.
Check and fix failing wheel seals. Sometimes, a rushed or faulty installation will disrupt the seal and cause leaks.
Check for cracks in wheel rims. Your rims can crack from excessive weight over time. If your rig has had frequent heavy loads, it’s vital to check those rims for cracks. While some rim cracks are repairable, a crack in the wrong spot might mean you need a rim replacement.
Inspect and adjust the wheel bearings. Loose wheel bearings can cause wobbling wheels, poor tire performance, and alignment trouble. We use the proper tools and techniques to adjust your bearings.
Tire pressure. Proper tire pressure seems like a small thing, but if it’s too low, it can cause big problems! Reduced braking distance, poor fuel economy, and premature tread wear are all possible problems—avoid them by keeping your tires inflated (but not overinflated)!
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If you need help with your fleet maintenance, reach out to Motorplex. We have shops in Auburn and Spokane, Washington.
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