Stop and Swap: Changing A Flat Tyre In Five Steps

Changing a car wheel with a flat tyre is a relatively easy task that can be done safely, provided you follow the rules. Here’s how it can be done in five basic steps, with a few tips to maintain safe progress and make life easier.

1: Stop in a safe place, with a smooth, firm surface

Never, ever try to change a car tyre and wheel on the hard shoulder, it’s better to drive on slowly and risk ruining the tyre. Switch on the car’s hazard lights and have any passengers stand well back and away from passing traffic. Extract the spare wheel and tools from the boot, using the warning triangle if there is one. Switch on the car’s hazard warning lights.

2: Loosen the wheel nuts/bolts

Put the handbrake on, putting the car in ‘park’ if it’s automatic. Remove the relevant wheel trim or the wheel nut/bolt caps, if present. You’ll need the special ‘key’ nut to remove a locking wheel fastening. Next, loosen the wheel nuts/bolts. These usually undo anticlockwise and you should always be pushing down on the wheel wrench, not pulling upwards.

3: Jack the car up

Put a chock under the wheel diagonally opposite to the one with the flat tyre. Place the car jack under the jacking point nearest the loosened wheel – never try to use the jack anywhere else. Wind or pump up the jack until there’s enough clearance under the wheel to allow for the replacement fully inflated tyre to fit. Don’t allow any part of you get between the car and the ground.

4: Change the wheel

Turn the wheel until one of the fastenings is at the top. Remove the other three (or four) nuts/bolts first. Then unscrew the topmost fastening. Lift the wheel off, keeping your back straight and taking care not to slip. Fit the spare wheel, aligning the fastenings. Replace the topmost nut/bolt first, followed by the remaining ones. Tighten the fastenings until the wheel is fully seated on the hub.

5: Tighten the wheel nuts/bolts

Let the jack down completely and set it aside. You can now tighten the wheel fastenings firmly, working in a diagonal pattern.

You can no go on your way but there is one more step, for which you’ll need to go to a car tyre bay. Car wheel fastenings should be tightened properly and a tyre bay will use a special wrench to do this. While at the tyre bay, it makes sense to have the flat tyre repaired or replaced as necessary.

It’s also worth making some preparations before you experience a puncture; these can make life much easier. Changing a wheel is a grimy job so carrying some industrial gloves and a mat or piece of carpet in the car can make life much more pleasant. You may also want to familiarise yourself with the wheel changing equipment. Is it accessible? Is it all there? Is the jack there? Does it need lubricating? Better to find out before the event.

Finally, have you got a space saver spare? These usually have limitations concerning speed and distance. Also, space savers can cause dashboard warning lamps to come on, because they confuse the car’s sensors. Your handbook will warn you if this is going to happen.

Merityre are a leading UK independent supplier of car tyres. Why not visit their website at www.merityre.co.uk and see where you can buy your next set of tyres.

Fascinating Facts About Car Tyres

Car tyres. We tend to take them for granted and, though they aren’t fit and forget items, we tend not to invest too much time in looking after them. Provided we regularly check their pressure and physical state, car tyres generally get on with their job, quietly and efficiently. However, the following facts might open your eyes, about car tyres in general and about particular aspects concerning them.

Imagine fifty-five pence. That shiny heptagonal coin and its small circular counterpart are capital. However, the idea that you are throwing this much away with every gallon of fuel you use is a less than capital idea. Yet, running your car tyres at less than the recommended pressure can cost you 10 percent in terms of fuel economy. As under inflated tyres are harder to move along the road; they give the engine more work to do and this means more fuel is burned.

The law is an ass, said Mr. Bumble, in Charles Dickens’ ‘Oliver Twist’. He wasn’t talking about car tyres but the principle nevertheless applies. The law says that your car tyres must have no less than 1.6 millimetres of tread. Legal? Yes. Sensible? That’s arguable. A mere 1.6 millimetres of tread is generally accepted as cutting things fine. Tyre manufacturers mould two millimetre-deep tread wear indicators into tyres, with good reason. It’s arguably better to comply with the spirit of the law here rather than the letter, as the consequences of an uncontrollable skid in wet conditions cost a great deal more than new tyres.

What makes car tyres grip the road? The different types of tyre – all weather, winter, mud and snow, all terrain and performance – share common elements. The hardness or otherwise of the rubber in them and the tread pattern they have make a major difference in terms of grip, tyre life, on-road behaviour and longevity. In general though, it is the hardness (or softness) of the tyres’ compound and the water-clearing abilities of the tread that make the most difference to the level of grip given.

There’s nothing better than a new set of car tyres, is there? Some have found out to their cost that brand new tyres aren’t necessarily as grippy as their predecessors. The good news is that this relatively lessened grip doesn’t last long. If car tyres weren’t coated in an anti-stick compound during manufacture, they’d never leave the mould. This coating has to wear away before full grip is achieved. So run your new tyres in, driving more carefully for the first 500 miles or so. This is particularly important in wet conditions.

More than 40 million car tyres. That’s a lot of rubber but it is the number of tyres that are disposed of every year. Following EU directives means that comparatively few tyres go into landfill these days. Some are treated to new treads, minced tyres become carpet underlay and some wind up as part of new road surfaces. Plans are in progress to recover energy from old car tyres; they could replace coal in some industries.

Merityre are a leading UK independent supplier of car tyres. Why not visit their website at www.merityre.co.uk and see where you can buy your next set of tyres.

Beating Winter: Car Tyre Tactics For Bad Weather

It’s that time of year again. The days are short, the nights are long, precipitation is up and the mercury’s dropping. Your car’s tyres may be nearly new but there are limits to what they can do. So here are a few tips to help preserve life and limb even in the worst conditions.

There are no such things as magic tyres, despite some people’s believing that their car tyres have prestidigitatory properties. In fog, for example, your tyres won’t stop you instantly, just because you haven’t seen the line of cars up ahead in time. Equally, your tyres can’t suddenly give you enhanced grip because you need to swerve around a similar obstacle. Drive only as fast as you can see.

Rain is another condition that requires caution. Standing water in particular can be extremely dangerous. Car tyres can dispose of surprisingly large amounts of surface water. However, when there’s too much to shift, they ride on the water surface instead. This is aquaplaning; in short, it equals no grip. Drive only as fast as your tyres will allow.

Floods are an altogether different matter. Hitting a large body of water standing a third of the way across a road at speed might give you vicious steering pull but you’ll get through if you allow for this. In deep water, your car tyres will cope admirably but your car might not. Many cars nowadays have a low-mounted air intake. If this inhales water, the engine will be wrecked. Don’t enter floodwater unless you’re certain of its depth. Keep to the crown of the road where the water will be shallowest. Keep the engine revving, to prevent water entering the exhaust and drive slowly – you have a car, not a boat. If in any doubt at all, find another route.

Snow and ice and car tyres don’t always mix. Winter tyres are a boon and it’s worth considering acquiring a set, especially if you live somewhere that experiences these conditions regularly. The usual, all-round car tyres can’t get a grip on ice and snow, even if they’re gracing a 4X4. When conditions are really bad, you may need to consider some additional hardware. ‘Snow socks’ are a new idea. These tough, woven tyre covers are easy to fit, quiet and grippy. However, they don’t last long on tarmac. The alternative is snow chains; not so easy to fit but far tougher, if noisy.

Above all, winter driving requires caution. Grip is always compromised to some extent and if you try to drive normally, losing control becomes a very real possibility. Remember also that your vision is likely to be compromised as well. Remove snow or ice from your car’s glass before moving an inch and always think about stopping distances. Modern electronic aids, such as traction control and anti-lock braking systems help but they’re no more magic than car tyres are. Should the worst come to the worst, and vision and grip both come under the general heading of appalling, you don’t have a choice. Stay at home!

Merityre are a leading UK independent supplier of car tyres. Why not visit their website at www.merityre.co.uk and see where you can buy your next set of tyres.