Essential Trailer Maintenance Guide

Use this page as a trailer inspection checklist: tires, brakes, lights, couplings, and air lines. For decisions about loading, corrosion, and how long to keep a trailer, use the separate trailer-life guide. Jerry's can complete the checklist at the Roberts shop.

Regular Inspection Points

• Tires and wheels (pressure, wear, lug nuts)
• Brake system components
• Electrical connections and lighting
• Coupling devices and safety chains
• Frame and body condition
• Suspension components

Tire and Wheel Maintenance

Proper tire maintenance is crucial for safety and efficiency. Check tire pressure weekly and before long trips. Inspect for uneven wear patterns, which might indicate alignment issues. Rotate tires according to manufacturer recommendations, typically every 6,000-8,000 miles.

Brake System Care

A well-maintained brake system is essential for safe operation. Regular brake inspections should include checking brake pads, rotors, and drums for wear. Test brake controllers and adjust as needed. Look for signs of brake fluid leaks and ensure proper fluid levels.

Electrical System Maintenance

• Test all lights (brake, turn signals, markers)
• Check wiring for wear, damage, or loose connections
• Clean and protect electrical connections
• Verify proper ground connections
• Test backup systems if equipped

Coupling and Hitch Maintenance

The coupling system requires regular inspection and maintenance. Check the hitch ball for wear and proper lubrication. Inspect safety chains for damage or wear. Verify proper operation of the coupling mechanism and ensure all locking devices work correctly.

Suspension System Care

The suspension system affects ride quality and load distribution. Inspect leaf springs for cracks or misalignment. Check shock absorbers for leaks or damage. Verify torque on suspension component fasteners. Look for signs of uneven wear or sagging.

Preventive Maintenance Schedule

• Check tire pressure and condition
• Test all lights and signals
• Inspect coupling and safety chains
• Check brake operation

• Lubricate moving parts
• Check wheel bearing temperature
• Inspect brake wear
• Check suspension components

• Complete brake system inspection
• Wheel bearing service
• Structural inspection
• Electrical system thorough check

Professional Maintenance Tips

While many maintenance tasks can be performed by owners, some require professional attention. Schedule regular professional inspections to catch potential issues early. Keep detailed maintenance records to track service history and identify recurring problems.