How to Check Your Tires Before a Road Trip (Without Getting Your Hands Dirty)
Planning a summer road trip from Parlin or Sayreville? Before you load the cooler, luggage, and passengers into your vehicle, take a few minutes to check your tires.
You do not need to jack up the car, crawl underneath it, or get your hands covered in rubber dust. A simple walk-around, a tire gauge, and a penny can reveal many common warning signs before they become a flat tire or roadside emergency.
Here is how to check your tires before a long drive: and how to know when it is time to visit a local tire shop.
Start With a Quick Walk-Around
Park your vehicle on a level surface in a well-lit area. Walk around the car slowly and look at each tire from different angles. You are checking for visible damage, unusual shapes, and signs that one tire looks different from the others.
Look for bulges and bubbles
A bulge or bubble on the sidewall usually means the tire’s internal structure has been damaged. This can happen after hitting a pothole, curb, or other road hazard.
A bulge is not something to monitor during your trip. It is a serious warning sign, and the tire should be professionally inspected and usually replaced before you drive at highway speeds.
Check for cracks and dry rot
Look closely at the sidewalls and between the tread blocks. Fine surface lines can develop as rubber ages, especially when a vehicle spends a lot of time outdoors.
Deep or widespread cracking may indicate that the tire is aging or deteriorating from the inside. If you see significant cracks, ask a tire professional to inspect the tire before leaving town.
Notice cuts, gouges, or exposed cords
Small marks are not always dangerous, but deep cuts and gouges deserve attention. If you can see fabric or steel cords, do not drive on the tire. The internal structure may no longer be protected.
Also look for a flat spot, torn tread block, or section of rubber that appears to be separating from the tire.
Check for embedded objects
Scan the tread for nails, screws, glass, and other objects. If you spot a nail or screw, leave it in place until a technician examines it. Removing it can turn a slow leak into a rapid flat.
A puncture in the central tread area may be repairable, but damage near the sidewall or shoulder often requires replacement. A tire shop can determine whether the tire can be safely repaired.
Check Your Tire Pressure Without Guessing
Proper inflation is one of the most important summer car maintenance tips. Underinflated tires flex more, build additional heat, wear faster, and may affect handling and fuel economy.
You can check pressure at a gas station or with an inexpensive gauge kept in your glove box.
Find the correct PSI
Look for the recommended tire pressure on the sticker inside the driver’s doorjamb or in your owner’s manual. Your front and rear tires may have different recommendations.
Do not use the maximum PSI printed on the tire’s sidewall as your target. That number describes the tire’s maximum pressure rating, not the pressure recommended for your vehicle.
Check the tires when they are cold
For the most accurate reading, check your tires before driving or after the vehicle has been parked for about three hours. Heat from driving temporarily raises the pressure reading.
If you are already at a gas station after driving, do not release air simply because the reading is higher than expected. Add or remove air cautiously, then recheck the pressure when the tires are cold.
Check all four tires
Remove the valve cap, press the gauge firmly onto the valve stem, and compare the reading with the doorjamb sticker. Add air if necessary, then replace the cap.
Check all four tires: not just the one that looks low. Also inspect the spare if your vehicle has one. A spare that has been sitting under the cargo floor or beneath a truck may be low on air or too old to use safely.
Your tire-pressure monitoring system is helpful, but it is not a substitute for regular checks. The warning light may not come on until pressure has dropped significantly.
Examine the Tread With a Penny
You can learn a lot about tread depth without touching the tire. Use a clean penny and check several grooves across each tire.
Hold the penny with Lincoln’s head upside down and insert it into a major tread groove. Check the inside, center, and outside portions of the tread: not just one spot.
- If you can see the top of Lincoln’s head, the tread is at or below approximately 2/32 of an inch. The tire needs immediate replacement.
- If Lincoln’s head is mostly covered but the tread looks close to the limit, have it measured professionally before a long trip.
- If the tire passes the penny test but has uneven wear, cracking, or other damage, it still may not be road-trip ready.
For wet summer roads, more tread is better. Tires with shallow tread have less ability to channel water away from the contact patch, which can increase the risk of losing traction in heavy rain.
You can also look for the built-in tread wear indicators. These are small raised bars molded into the grooves. When the surrounding tread becomes level with those bars, the tire has reached its legal wear limit and should be replaced.
Look for Uneven Wear
Uneven tread wear can be easy to miss if you only look at the outside shoulder of the tire. Try to compare the tread across its full width.
Watch for:
- One edge wearing faster than the other
- The center of the tread looking noticeably smoother
- Scalloped or cupped sections
- Feathered tread blocks that feel different in one direction
- One tire looking significantly more worn than the others
Uneven wear can be caused by incorrect inflation, poor alignment, worn shocks or struts, or another suspension problem. Replacing the tire without correcting the underlying issue may cause the new tire to wear unevenly as well.
If your steering wheel vibrates, your vehicle pulls to one side, or you hear a rhythmic humming or thumping noise, have the vehicle inspected before your trip.
Read the Tire’s Date Code
Tire age is another important part of deciding when to replace tires. A tire can have acceptable tread and still need professional attention if the rubber has become hard, cracked, or otherwise deteriorated.
Look for the letters “DOT” on the sidewall. The final four digits of the code indicate the week and year the tire was manufactured. For example, a code ending in 3022 means the tire was made during the 30th week of 2022.
The full date code may appear on only one side of the tire, so you may not see it from the outside. If the code is facing the vehicle, a technician can help you read it.
Many tire and vehicle manufacturers recommend closer inspection as tires approach six years of age, while tires around ten years old are commonly recommended for replacement regardless of remaining tread. Recommendations can vary, so an inspection is the best way to evaluate older tires.
When to Visit a Local Tire Shop Instead
A quick driveway inspection is useful, but it cannot identify every internal problem. Visit a professional tire shop before your road trip if:
- You see a bulge, bubble, deep crack, or exposed cord.
- A tire repeatedly loses air.
- You find a nail, screw, or other embedded object.
- The tread is at or below the wear bars.
- The penny test shows the top of Lincoln’s head.
- The tires have severe uneven wear.
- You feel vibration, pulling, or unusual road noise.
- The tires are approaching or beyond the manufacturer’s recommended age.
- You are unsure whether your spare is safe to use.
- Your vehicle has all-wheel drive and may need a matched set of tires.
When you search for “tires near me” before a trip, choose a shop that can inspect the entire vehicle: not just sell you a replacement tire. A proper evaluation should consider tread depth, pressure, alignment, suspension condition, and the way the tires match your vehicle and driving needs.
If replacement is necessary, we can also help you compare dependable options, including the best all-season tires for your vehicle, budget, and typical driving conditions. The right tire is not always the most expensive one. It should be the tire that provides the traction, comfort, durability, and seasonal performance you actually need.
Give Yourself Time Before You Leave
Do not wait until the morning of your trip to discover that one tire is low or worn out. Check your tires several days ahead of time. That gives you time to schedule an inspection, order the correct tire if needed, or address an alignment or suspension issue.
For drivers in Parlin and Sayreville, a local inspection can also be more convenient than dealing with a tire problem several states away. We can help you understand what your tires need without pushing you toward services or products they do not need.
Drive Away With Confidence
A tire check does not have to be complicated or messy. Walk around the vehicle, look for damage, check the pressure against the driver’s door sticker, inspect the tread with a penny, and read the date code when possible.
If anything looks questionable, bring your vehicle to Mike’s Pit Stop for a professional tire inspection in Parlin. We will give you straightforward advice and help you get ready for the road. Contact us before your summer trip so you can leave with confidence.