- Trailer Knowledge
Key Takeaways
- Check tire pressure before every trip - desert heat raises pressure and risks blowouts.
- UV ages tires fast in Arizona; shade or covers help when the trailer sits.
- Have wheel bearings checked - sustained heat is hard on bearing grease.
- Keep electrical connectors clean and greased, and clear dust after storms.
- A quick pre-trip check prevents most hot-weather roadside problems.
Why Arizona Summers Test a Trailer
Arizona summers push past 110 degrees for weeks at a time, and pavement runs far hotter. UV stays at extreme levels for much of the year, and monsoon season adds sudden dust storms and high winds. That combination is hardest on tires, bearings, and electrical connections. A few habits keep everything working through the season.
Tire Pressure and Care
Tires are the most heat-sensitive part of your trailer. Heat expands the air inside and raises pressure, and an overinflated tire on 150-degree pavement is a blowout risk at highway speed. Check pressure when the tires are cold, before you drive, and set it to the sidewall rating rather than above it.
UV ages tires from the outside in - Arizona sun can cause sidewall cracking within a couple of years even if the tread looks fine. If your trailer sits between uses, park it in shade or use tire covers, and inspect the sidewalls before every trip.
Wheel Bearings
Bearings generate heat through normal friction, and in Arizona that stacks on top of extreme ambient temperatures. Bearing grease breaks down faster under sustained heat, which increases wear. Have your bearings checked regularly, and keep a closer eye on them if you tow heavy or tow often in summer.
Every new trailer from TrailersPlus includes two free 40-point safety inspections at 12 and 24 months that cover bearings, brakes, tires, and electrical - an easy way to stay ahead of heat-related wear.
Electrical Connections and Dust
Heat cycles loosen electrical connections over time, and monsoon dust works its way into the 7-way connector between your tow vehicle and trailer. Wipe the pins clean and apply a thin coat of dielectric grease to keep the connection solid. After a dust storm, clear dust from connectors and moving parts, and give the trailer a quick once-over.
A Simple Pre-Trip Habit
Before any summer haul, walk the trailer: tire pressure and sidewalls, lights and signals, coupler and safety chains, and the load securement. Two minutes of checking prevents the vast majority of hot-weather roadside problems.
Let Your Free Inspections Do the Heavy Lifting
The two free 40-point safety inspections included with every new trailer are built to catch heat-related wear before it becomes a breakdown - bearings, tires, brakes, and electrical all checked by factory-trained technicians. Browse trailers near Scottsdale to see current inventory.
Frequently Asked Questions
How often should I check tire pressure in Arizona summer?
Before every trip. Heat raises tire pressure through the day, so check when the tires are cold and set to the sidewall rating. Never exceed the rated PSI.
Does Arizona sun really damage trailer tires?
Yes. Prolonged UV ages the rubber and can cause sidewall cracking within a couple of years, even if the tread looks good. Shade or tire covers help when the trailer is parked.
How do I know if my wheel bearings need attention?
Listen for humming, grinding, or clicking from the wheels, and note excessive heat at the hub after driving. When in doubt, have them checked - our service team can inspect them quickly.
Should I clean my trailer after a monsoon dust storm?
Yes. Blown dust works into electrical connectors and moving parts. A quick clean-out of the connectors and a once-over after a storm keeps things working reliably.
Does TrailersPlus service trailers in the East Valley?
Yes. Both the Mesa and Phoenix stores have full service departments. Visit your nearest TrailersPlus location to schedule.
