Some drivers around Glasgow run two sets of tires on the same vehicle — a winter set and a regular set, or a work set and a road set for a truck that does different jobs in different months. When the season turns, those sets trade places. That job is a tire swap, a different service from buying new tires or a rotation.
What a tire swap is, and what it is not
A swap means taking the set on the vehicle off, and putting the other set you already own on. Nothing new is being bought, and the tires are not just moving front to back, the way they do in a rotation. The whole set changes.
Drivers do this for practical reasons. A winter tire uses a softer compound built for cold pavement, slush, and ice, and it wears faster in summer heat, so it comes off in the spring. A driver who runs a more aggressive tread for muddy job sites may run a quieter highway tire the rest of the year. In both cases the off set stays with you — you keep your own second set and bring it in when it is time to change over.
Mounted sets versus tires only
How the swap goes depends on the second set.
- Second set already mounted on its own wheels. This is the simpler changeover. The wheels on the vehicle come off, the second set of wheels goes on, lug torque is set to specification, and pressures are checked and set. No tire machine work is needed on the tires themselves.
- Second set as tires only, sharing one set of wheels. This is a mount-and-balance changeover. The tires on the vehicle are dismounted, the other tires are mounted on those same wheels, each assembly is balanced, and then the set goes back on the vehicle. It takes longer because every tire is handled on the machine, twice a year, every year.
That difference is worth thinking about if you are setting up a second set for the first time. A separate set of wheels costs more up front, but it makes each changeover faster and avoids repeatedly stretching the same tires on and off the same wheels. Our Hunter TC3500 tire changer mounts wheels up to 26 inches, and our Hunter Road Force Elite balancer is used when an assembly needs checking as part of the work.
TPMS is part of the swap, not an afterthought
Two sets means two sets of pressure sensors to think about, and this is where changeovers most often go sideways.
If your second set of wheels has its own TPMS sensors, the vehicle has to learn those sensor IDs when the set goes on. Many vehicles can only hold one set of IDs at a time, so a relearn is needed at each swap or the TPMS light will stay on even with every tire at the correct pressure. If the second set has no sensors at all, the light will be on for as long as that set is on the vehicle, and the system cannot warn you about a genuinely low tire.
Whichever setup you have, tell the shop before the work starts, so the sensors are scanned and the relearn is done in the bay, rather than discovered on the drive home.
Checking the off set before it goes back on
A set that has been sitting since last season should not go straight onto the vehicle without a look. As part of a careful changeover, the set going on gets checked for:
- Tread depth and even wear — a tire that finished last season nearly worn out is not a better tire this season, and uneven wear from last year points to an alignment or rotation issue worth noting.
- Damage picked up before it came off — cuts, bulges in the sidewall, a nail still in the tread, and cracked rubber, especially on an older set.
- Wheel condition — a bent rim, corrosion where the bead seats, or a damaged valve stem will cause a slow leak that looks like a tire problem.
- Pressures and sensor health — pressures set to the door placard, and sensors read to confirm each one is still transmitting before the set leaves the shop.
The set coming off gets a look as well. Finding a worn or damaged tire at the swap gives you the whole off season to decide what to do about it, instead of finding it on the morning you need that set back on the vehicle.
When to schedule the changeover
Typically, drivers in south-central Kentucky put a winter set on when daytime temperatures are staying consistently cold and take it off once spring temperatures settle — not after one cold snap or one warm week. Booking a little ahead of the rush helps. Walk-ins are welcome at our shop, but a call ahead is the surest way to get a changeover done in one visit.
Southern KY Tire Pros performs seasonal tire swaps for drivers who run two sets, including mount-and-balance changeovers and TPMS relearn. Bring the set you want fitted, and we will handle the rest at 1004 Happy Valley Rd, Glasgow, KY 42141. Call (270) 861-2003 or text (270) 320-7359, Monday–Friday 8:00 AM–5:00 PM. More is on our Tire Swap page.