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Welltech Motors offers the option of filling up your tires with Nitrogen instead of air. The benefits of using Nitrogen are that it can improve the overall life of your tires, give you better fuel efficiency and improve the handling of your vehicle all due to tire-pressure retention. Let’s face it, tires gradually lose pressure, and since Nitrogen contains larger molecules than oxygen, it tends to reduce pressure loss over the life of your tires.

Come to our location and our knowledgeable and experienced technicians will explain the benefits and features should you decide to upgrade your tires with Nitrogen.

Our professionals know how to handle a wide range of car services. Whether you drive a passenger car or medium sized truck or SUV, our mechanics strive to ensure that your vehicle will be performing at its best.


We offer a full range of garage services to vehicle owners in Tucson. We can help you with everything from an oil change to an engine change. We can handle any problem on both foreign and domestic vehicles.

  • We make auto repair more convenient for you
  • We are a friendly and professional group of people
  • We handle a wide range of car services
  • Same day service for most repairs and maintenance
  • We get the job done right — the first time


  • The benefits of filling Nitrogen in your car's tyres

    Nitrogen gas filled in tyres has had its doubts with a number of people when it comes to filling your tyres with with it. Why should one do it? Its expensive. In fact, why should one pay for filling air (or nitrogen) in tyres. Moreover, the compressed air that is filled in tyres is about 80 per cent nitrogen.

    Nitrogen is chemically a non-flammable, non-toxic inert gas. An inert gas does not fuse with any other gas at any temperature. This basic nature of nitrogen first of all helps in keeping minimum moisture in the tyres.

    The basic idea of Nitrogen gas is that it is cooler than compressed air and therefore is useful in any driving conditions. Why? A cooler tyre means that the stress levels on the tyre while moving are lesser. The tread wear and tear is also lesser due to the lesser temperature.

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