#1970 - Coffee and Cars + Tire Tips

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Tire Pressure, Tread Depth & Car Care Tips from the C&C Auto Show

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Broadcasting live from the Coffee and Cars event in downtown Augusta, this episode of the C&C Auto Show blends car culture with practical, real-world vehicle advice. From classic cars like a DeLorean and vintage trucks to everyday driving concerns, the conversation centers around one critical theme: your tires are more important than you think.

The crew breaks down how temperature changes affect tire pressure, why worn or aging tires can be dangerous even if they “look fine,” and how simple checks—like reading tire date codes or using a penny for tread depth—can prevent breakdowns or accidents. Along the way, they share stories from the car show, highlight common mistakes drivers make, and explain how small maintenance habits can make a big difference in safety and performance.

If you’ve ever wondered why your TPMS light comes on in the morning, what causes a vibration at highway speeds, or how to avoid a tire blowout, this episode delivers clear, practical answers in an easygoing, relatable way.

Listen or watch the full episode to catch all the tips, stories, and live moments from the show.

Questions and Answers

Key takeaways from this episode covering tire safety, maintenance habits, and real-world driving concerns.

Why does tire pressure change when the temperature drops?

Tire pressure drops as temperatures fall because air contracts in colder conditions. You can lose about 1–1.5 PSI for every 10-degree drop. That’s why your TPMS light may come on in the morning and go off later in the day.

What causes a car to vibrate at certain speeds?

A vibration at a specific speed is often caused by a wheel balance issue or alignment problem. It can also happen after hitting a pothole. If your car feels different at certain speeds, it’s a good idea to have it checked.

How can I check if my tire tread is too low?

You can use a penny or quarter to check tread depth. If you can see the top of Lincoln’s head, your tires are worn out. A quarter test can help you spot when it’s time to start planning for new tires.

Why is driving on low tire pressure dangerous?

Low tire pressure causes excessive heat buildup inside the tire, leading to faster wear and potential failure. It can damage the internal structure of the tire even if the outside looks okay.

Can tires go bad even if they still have good tread?

Yes, tires can dry rot and deteriorate over time even if the tread looks fine. The inside of the tire can break down, increasing the risk of a blowout, especially on older tires.

How do I find out how old my tires are?

Check the last four digits of the DOT code on the tire. This shows the week and year the tire was made. Tires older than six years should be inspected closely and may need replacement.

What happens if I mix different brands of tires on my car?

Mixing tire brands can lead to uneven performance and handling differences. It’s best to keep all four tires consistent to maintain balanced traction and stability.

Why is it important to check trailer or boat tires before a trip?

Trailer tires often sit unused for long periods, which can lead to dry rot. Even if they look fine, they can fail under load and heat. Checking them before a trip helps prevent roadside breakdowns.

What are signs that my tires might be unsafe?

Cracking, uneven wear, vibrations while driving, or frequent pressure loss are all warning signs. If something feels off while driving, it’s best to get your tires inspected.

Why do many accidents involve vehicles with worn tires?

Worn tires reduce traction, especially in wet conditions. This makes it harder to stop or control the vehicle, increasing the risk of sliding and collisions.

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