How to Fit Snow Chains Properly

A smooth snow trip often starts in the car park, not on the ski field. If you know how to fit snow chains before you leave for Mt Ruapehu, the whole day feels easier – less guesswork, less delay, and a lot more confidence when the road crews call for chains.

For plenty of visitors heading up to Whakapapa, chains are part of the day rather than a rare emergency item. The good news is that fitting them is straightforward once you know the sequence. A little practice at home or in a dry car park can make a big difference when the weather is cold and everyone is keen to get moving.

How to fit snow chains before you need them

The best time to learn is before you are parked on a frosty roadside with cold hands. Take the chains out of the bag, identify the inside and outside sections, and do a practice fit somewhere flat and dry. Even first-time snow visitors usually get the hang of it quickly once they see how the chain sits around the tyre.

It also helps to check your vehicle handbook. Some cars, especially those with low clearance around the wheel arch, can only take certain types of chains. Front-wheel drive, rear-wheel drive and four-wheel drive vehicles may also have different recommendations for which tyres should be chained. In most cases, you fit chains to the drive wheels, but the handbook is the final word.

Before you begin, lay the chains out fully and make sure there are no twists or tangles. A twisted chain never sits properly on the tyre and can be much harder to tighten. Check that the fasteners move freely and that you have the right size for your tyre. Chains that are too loose can slap around and perform poorly, while chains that are too tight may not fit at all.

Step by step: how to fit snow chains

Start by parking on a safe, flat area well clear of traffic. Put the handbrake on, switch the engine off, and if conditions are icy, take your time rather than rushing. Gloves are worth having, as chain fitting is much more comfortable with warm, dry hands.

Take one chain and drape it over the top of the tyre so the chain sits evenly on both sides. The smoother side of the fittings should face the tyre where possible, with the fastening points facing outward so you can reach them. If your chains have a coloured cable or marked inside hoop, follow that guide first.

Once the chain is centred over the top of the wheel, reach behind the tyre and connect the inside fastener. This is usually the fiddliest part because space is tighter at the back of the wheel, so it helps to feel carefully rather than forcing anything. After the inside is connected, attach the outside fastener on the front face of the wheel.

At this point the chain should be wrapped around the tyre, but still slightly loose. Tighten it using the built-in tensioning system, whether that is a hook-and-link setup, a ratchet, or a rubber tensioner. The goal is an even fit all the way around the tyre, with the chain centred across the tread rather than hanging off to one side.

Repeat the same process on the second drive wheel. Try to keep the chain pattern even and straight. If one section looks bunched up near the bottom, roll the vehicle slightly once both chains are loosely attached, then recheck and tighten.

After the first few metres

This is the step many people skip. Once both chains are fitted, drive forward a short distance – usually just a few car lengths – and stop in a safe place to check them again. Chains often settle into the tread after the tyre rotates, which can leave a little extra slack. A quick retighten helps them sit properly and do the job they are meant to do.

If the chain has shifted off-centre or feels noticeably loose, stop and correct it. A properly fitted chain should feel snug and balanced, not floppy or uneven.

Common mistakes when fitting snow chains

Most problems come down to three things: the chain is twisted, the wrong size, or not tensioned enough. Twists are easy to miss when you are in a hurry, so it is always worth laying the chain flat first. A twist can stop the chain from gripping properly and make the fit awkward from the start.

Using the wrong chain for the tyre size is another common issue. Tyre dimensions matter, and two vehicles that look similar can need completely different chain sizes. Always match the chains to the tyre marking on the sidewall rather than guessing from the type of car.

Loose chains are also worth avoiding. People sometimes leave them a little slack because it feels safer than overtightening, but chains work best when they are firmly seated. Too much slack can lead to knocking, poor traction and unnecessary wear. Tight is good, but forced is not. If you are straining to make a chain fit, there is a fair chance it is the wrong size or not lined up correctly.

Driving once the chains are on

Knowing how to fit snow chains is only half the job. You also need to adjust your driving once they are fitted. Keep your speed low, accelerate gently, and leave more distance between you and the car in front. Chains improve grip on snow and ice, but they do not change the laws of physics.

Steering, braking and cornering should all be smooth. Sudden inputs can unsettle the vehicle, especially on mixed surfaces where there may be patches of bare road between snowy sections. If the road becomes clear and chains are no longer required, take them off as soon as it is safe to do so. Driving on bare sealed road with chains for long stretches can wear both the chains and the road surface.

You may also notice more noise and vibration than usual. That is normal to a point. A steady rattling feel is expected, but loud banging or heavy thumping usually means something is loose, uneven or incorrectly fitted. Stop and check rather than hoping it sorts itself out.

Choosing the right place to fit them

Where you fit chains matters almost as much as how. Use designated chain bays or a safe pull-over area with enough room to work around the vehicle. Avoid stopping on blind corners or narrow sections of road. It sounds obvious, but on busy snow mornings people can be tempted to stop wherever everyone else has stopped.

If conditions are changing quickly, put chains on before the road gets too steep or slippery. It is easier to fit them on a manageable section than after traction is already poor. On Ruapehu access roads, a little forward planning makes the whole process calmer.

A quick note for first-time snow visitors

If this is your first trip to the snow, chain fitting can look more technical than it really is. Most people only need one proper demonstration to understand the process. After that, it becomes a simple routine – lay them out, connect the back, connect the front, tension, drive a few metres, and recheck.

That is one reason local advice matters. At The Alpine Centre, we see plenty of visitors heading up for skiing, snowboarding, sightseeing and snowplay, and often a quick explanation is all it takes to turn chain fitting from a stress point into a normal part of the drive.

When to replace or recheck your chains

Chains are tough, but they are not forever. If links are worn thin, bent or cracked, or if the fasteners no longer secure properly, it is time to replace them. The same goes for missing tensioners or damaged hooks. A chain that is almost right is not worth trusting on an alpine road.

At the start of each winter trip, give them a quick inspection before loading the car. Make sure the bag contains both chains and any tensioning parts. If they were packed away wet last time, dry them out before storage to help prevent rust and keep the mechanisms moving freely.

A good snow day usually comes down to simple preparation. Get the right chains for your tyres, practise once before your trip, and fit them carefully when the conditions call for it. Then you can spend less time in the car park and more time enjoying the mountain.