Frequently Asked Tire Car & Maintenance Questions

Do my new tires require any special treatment?
Your new tires will probably feel different from the tires that were replaced. Drive carefully as you become familiar with their performance and handling. Take special care when braking, accelerating, cornering, or when driving in the rain, because these are the times when the differences will be most noticeable.

How do I know when I need new tires?
Many tires have tread wear indicator bars molded into the tread. When the tread is worn down to where you can see a solid bar of rubber across the width of the tread, it is time to replace the tire. Here's another simple test you can perform to measure tread depth on your tires. Place a penny into a tread groove with Lincoln's head upside down and facing you. If you can see the top of Lincoln's head, it's time to visit a Gemini Automotive Care for a new tire.

How long should my original equipment tires last?
Goodyear does not offer a written mileage promise on any tires supplied as original equipment. Due to the variety of styles, construction features, treat compounds, vehicle applications, geographical conditions and driving habits, it is difficult to provide a specific mileage expectancy.

However, any tire wear concern should always be presented to your local authorized Gemini Automotive Care for further evaluation.

Many of our authorized retailers offer specific mileage warranties on several lines of tires sold as replacement tires, including some tires that are used as original equipment. These mileage warranties are administered based on the retail outlets verification of proper tire maintenance having been performed.

Is it safe to repair a flat tire?
If a tire loses all or most of its air pressure, it must be removed from the wheel for a complete internal inspection to be sure it's not damaged. Tires that are run even short distances while flat are often damaged beyond repair. Most punctures, nail holes, or cuts up to 1/4 inch -- confined to the tread -- may be satisfactorily repaired by trained personnel using industry-approved methods. Don't repair tires with tread punctures larger than 1/4 inch, or any sidewall puncture. Also, never repair tires which are worn below 1/16 inch tread depth. Your best bet is to make sure your spare tire is always ready to do the job. Check it regularly for proper air pressure and be sure that it is in good shape. If your car is equipped with one of the several types of temporary spares, be sure to check the spare tire's sidewall for the correct inflation pressure, speed, and mileage limitations. See Gemini Automotive Care for expert tire repair.

Must I replace my present tires with the same size tires?
Never choose a smaller size than those that came with the car. Tires should always be replaced with the same size designation -- or approved options -- as recommended by the vehicle manufacturer or Gemini Automotive Care.

Should I "mix" tire types on my car?
Tires of different size designations, constructions, and stages of wear may affect vehicle handling and stability. For best all-around performance, it is recommended that all tires be of the same size, construction (radial,non-radial) and speed rating. If tires of different speed ratings are mounted on a vehicle, the same size, type and speed ratings need to be placed on the same axle, the tires with the lower speed rating will be the determining factor for permissible tire related vehicle speed. Never mix radial and bias-ply tires on the same axle. Get specific information from your Gemini Automotive Care.

What is alignment?
A vehicle is said to be properly aligned when all suspension and steering components are sound and when the tire and wheel assemblies are running straight and true. Proper alignment is necessary for even tread wear and precise steering. Uneven front-or rear-tire wear, or changes in your vehicle's handling or steering response (i.e. pulling to one side) can indicate misalignment. Many vehicles today are equipped with rear suspensions that can be adjusted for alignment. Your vehicle may need a "front-end" alignment or a "four-wheel" alignment, depending on the symptoms you are experiencing. The moderate cost of having your vehicle aligned can more than pay for itself in tire mileage, performance and comfort. Gemini Automotive Care provide expert alignment and suspension service.

What should I do if I notice a vibration?
Vibration is an indication that your car has a problem that needs attention. The tires, steering system and suspension system should be checked to help determine the possible cause and correction of the vibration. If left unattended, the vibration could cause excessive tire and suspension wear. It could even be dangerous. Gemini Automotive Care offer expert diagnosis and repair.

When buying just two new tires, should they be put on the front or rear?
When radial tires are used with bias or bias belted tires on the same car, the radials must always be placed on the rear axle. Never mix radial and bias-ply tires on the same axle. When you select a pair of replacement tires in the same size and construction as those on the car, we recommend you put them on the rear axle. A single new tire should be paired on the rear axle with the tire having the most tread depth of the other three.

Why do my tires need to be balanced?
Properly balanced tires are important for driving comfort and long tire life. Unbalanced tires can cause vibration, resulting in driver fatigue, premature tire wear and unnecessary wear to your vehicle's suspension. Tires should be balanced when they are mounted on wheels for the first time or when they are remounted after repair. Tires should be rebalanced at the first sign of vibration or "shimmy." Vibration may also be due to misalignment or mechanical problems. Many Gemini Automotive Care can provide expert diagnosis and repair.

Source: http://www.geminicarcare.com/faqs/care.html#1