Spring Towing Readiness Checklist

Spring Trailer Readiness Check

What We Check Before We Tell a Neighbor They’re Good to Go

Written by: Nicki B.

Last updated: 04/06/26

When the weather warms up, we start hearing it: “It worked fine last fall. I just want to make sure it’s ready.” That’s the right instinct. After sitting through winter, certain parts of a trailer are more likely to give you trouble than others. We’ve ordered this checklist based on what we actually see fail most often and not just what sounds important. Start at the top and work your way down.

Click here to download a PDF version of our checklist.

On this Checklist:

What We Check First
What We See Wear Most Often
Quick Hookup Check
- 7. Hitch & Coupler
- 8. Weight Distribution & Sway
Before You Hit the Road
Once Per Season
If Something Doesn't Pass

What we check first. These are the systems most likely to cause roadside problems in spring.

1. Tires (Most Common Spring Failure We See)

Pressure drops. Rubber ages. Sidewalls crack. Tread can look fine right up until it isn’t.

Inflate to the max cold PSI on the sidewall

Check DOT date

7+ years replace

Inspect for bulges or deep sidewall cracks

Measure tread

Around 4/32" is replacement range

Confirm all tires match in size and rating

Check valve stems for cracks or dry rot

If a tire has a bulge or won’t hold pressure, don’t talk yourself into “one more trip.”

If you’re unsure what you’re seeing:
-> How to Inspect Trailer Tires After Winter Storage
-> When to Replace Trailer Tires

If you need replacements:
Browse by size and load rating -> Shop Trailer Tires

2. Trailer Brakes (If Equipped)

Brakes can feel different after sitting. Surface rust builds inside drums. Breakaway batteries quietly drain.

Brake controller detects the trailer

Manual override activates

Breakaway pin fully seated

Breakaway battery charged

If brakes don’t engage or the controller can’t detect the trailer, sort that out before towing.

Stopping power isn’t something to “monitor.”
-> Trailer Brakes Not Working? Diagnose It Step-by-Step

If you need replacements:
Browse by brake style -> Shop Trailer Brakes

3. Required Trailer Lights

Moisture and corrosion love trailer connectors. If other drivers can’t see your signals, you’re not just unsafe — you’re likely not legal.

Running lights

Left turn signal

Right turn signal

Brake lights

Trailer lighting isn’t optional, it’s required on public roads in nearly every state.

If something isn’t working:

-> Trailer Lights Not Working? Start Here

-> How to Fix a Bad Trailer Ground

If you need replacements:
Browse by light style and wiring -> Shop Trailer Lights

What we see wear most often. These usually don't fail from winter sitting.

What we see wear most. These usually wear from miles, not winter sitting.

4. Suspension

Suspension usually doesn’t fail dramatically — it wears slowly. Worn shackles or bushings can shift axle alignment, which leads to uneven tire wear and unstable tracking.

Trailer sits level

No cracked leaf springs

Shackles not excessively worn

Bushings intact

Catching small wear here is a lot easier than replacing broken parts later.

If you need to know what to look for:
How to Inspect Trailer Suspension After Winter Storage

If you need replacements:
Browse by type of trailer and part -> Shop Trailer Suspension

5. Wheel Hubs (Quick Visual Only)

Moisture can enter hubs during storage, but warning signs are subtle.

No grease leaking

Dust caps intact

No visible damage

Full bearing inspection requires lifting the trailer — this is just a seasonal once-over.

If you need replacements:
Browse by axle capacity and bolt pattern -> Shop Wheel Hubs

6. Battery & Electrical

Batteries quietly discharge over winter. Dead breakaway batteries are one of the most common spring surprises we see.

Trailer battery charged

Breakaway battery functional

No heavy corrosion on terminals

Junction box secure

If you need replacements:
Browse by battery type and voltage -> Shop Batteries
Browse junction boxes and wiring -> Shop Electrical

Quick Hookup Check. These rarely degrade from sitting, but they're high consequence if they are wrong.

Quick hookup check. These rarely change from sitting, but we still confirm every time.

7. Hitch & Coupler

Correct ball size

Coupler fully seated and latched

Safety pin installed

Chains crossed

Breakaway cable attached separately

Latch moves freely

It takes 30 seconds. It’s worth it every time.

If you need replacements:
Browse by hitch type -> Shop Hitches and Ball Mounts
Browse by coupler style -> Shop Trailer Couplers

8. Weight Distribution & Sway (If Equipped)

Improper setup shows up quickly once you’re moving.

Bars seated correctly

Sway control attached and tensioned

If you need replacements:
Browse by tongue weight and hitch size -> Shop Weight Distribution

Before you hit the road. Some issues only show up under load.

Drive 5–10 miles locally.

During the drive:

Brakes apply smoothly

Trailer tracks straight

No pulling

No unusual clunking

After the drive:

Carefully feel each hub

Warm is normal, extremely hot is not

No burnt smell

Re-check lights

Re-check tire pressure

Confirm lug nuts torqued

Re-check lug nuts again after 25–50 miles at the start of the season.

Once Per Season

Briefly test the breakaway system (pull pin momentarily to confirm engagement)

Because that system only matters when everything else fails.

If you need replacements:
Browse by number of axles -> Shop Trailer Breakaway Kits

If Something Doesn’t Pass

Tell us what didn’t pass and what kind of trailer you’re towing.

We walk through this checklist with neighbors every spring: contractors, RV families, boat owners.

Sometimes it’s urgent

Sometimes it’s normal wear.

Sometimes it’s a 10-minute fix.

The goal isn’t perfection. It’s pulling onto the highway confident that it:

Rolls
Stops
Signals
Stays connected

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