How Old Are Our Tyres, And When do We Need To Change Them?

Tyre On Road

Research shows that less than a fifth of us actually know how to tell how old our tyres are, even though it is, in fact, a relatively simple procedure to do so. There also appears to be a fair bit of confusion as to when we should, actually, replace them.

Contrary to popular misconception, there is no, actual, age at which point you must, legally, replace a tyre, however, they must, obviously, be of a roadworthy condition in order to be legal.

Determining The Age Of A Tyre

The age of your tyres is shown on the side wall of the tyre, and is represented by a series of four numbers, usually preceded by the letters; DOT. These four numbers represent the month number and year of manufacture, so, for example, the numbers 0915 will represent a date of manufacture of month 9 (September) 2015. It really is that simple, and will help you to ensure that your tyres will have the maximum possible usable life when you buy them.

When Do We Need To Replace A Tyre?

As already specified, there is no legal age limit for a tyre, as their degree of wear will vary significantly, depending on usage, storage etc, and the tyre’s performance will, also, deteriorate over time. Tyres contain a number of anti-oxidising chemicals, designed to slow down the ageing process, and extend the life of a tyre, however, crucially for anyone with a folding camper, caravan, trailer etc, the tyres need to be in use for these chemicals to be effective. Infrequent use, or improper storage (both potential problems in leisure applications) can, actually, accelerate the ageing process, even though the tyres are not, in fact, being used. Low mileage, older units are particularly at risk of premature ageing.

Many believe that you MUST change your tyres after five years, but this isn’t, in fact, a legal requirement. The recommendation of tyre manufacturers is that tyres should be checked annually (a simple visual check should be sufficient) once the tyre reaches five years of age. They further recommend that tyres should be replaced after ten years, but, again, this is just a recommendation, not a legal requirement, and will depend upon overall tyre condition.

This is, of course, the recommendation of the tyre manufacturers, as it relates to car tyres, in every day use. As already mentioned, above, tyres can deteriorate more quickly, if not used to any great extent, and, hence, the main caravanning organisations do recommend replacement after 7 years. The signs of deterioration are, relatively, easy to spot, so, as long as the tyres are regularly checked, for signs of damage, after they reach 5 years, it should be fine to work on the 10 year recommendation, however, there is no harm in changing them earlier, if you feel more comfortable in doing so.

There are a number of key triggers that will determine when we should change our tyres;

  • Following a puncture (advisable to get a professional opinion if this happens).
  • When tread is down to the legal limit (currently 1.6mm).
  • When a tyre shows signs of ageing (such as cracked side walls / deformation).
  • If a tyre is damaged, for example, by kerbing, or hitting a pothole.
  • Where there is abnormal wear. Uneven wear may be down to incorrect wheel tracking or balancing. It may, also, be down to incorrect tyre pressures.

At the end of the day, a lot of it will come down to common sense, and keeping an eye on the tyres (inside wall, as well as outer wall and main tread). If we are, also, aware of the age of the tyre, we will have an idea as to the extent it is likely to need checking, so that we can remain as safe as possible on our breaks away.

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About Alan Young

MD and owner of the Woodhurst Group, including Praxis Accountancy Limited and Blue Sky Recreation Limited. Also Commercial Director of The Sky visor Group
This entry was posted in News And Information and tagged , , , , . Bookmark the permalink.

3 Responses to How Old Are Our Tyres, And When do We Need To Change Them?

  1. Andy Bourne says:

    Thanks for that information Alan. Having never owned a trailer before the one I’ve now had for 5 years I was wondering how often I should change the tyres. As my Campmaster was a demonstrator for a year before I took delivery I think it will be a good idea to get some new tyres fitted before this season’s camping starts.
    All the best, Andy Bourne.

    Like

  2. Ken Matthews says:

    I recently bought a 2010 caravan that had been sited more than it had been towed. The tyres looked perfect, no sidewall cracks/damage and 7 mm of tread.
    I had the ‘van serviced and the service engineer scrapped both tyres. The tyres were 2009 manufactured so were more or less due looking at. When he removed one wheel he found deep cracks at the bottom of the tread, following the tread pattern. The other side was worse. He suggested I have them changed on the drive, refused to even inflate them any more and nearly had a fit when I told him I’d towed it 147 miles home.
    I phoned the caravan dealer and gave him a choice … all 3 tyres or the police.
    I now have 3 new tyres.

    Like

  3. Pingback: Your folding camper tyres - Folding Camper Owners

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