Mineral Wells Winter Car Prep: Your Local Guide to Cold Weather Vehicle Care
- Kasi Drummer
- Aug 21
- 4 min read
Winter in Mineral Wells might not bring the harsh conditions you'd see up north, but don't let our Texas location fool you, those December and January mornings when temperatures drop to the low 30s can still catch your car off guard. After 20+ years serving this community, we've seen plenty of folks get stranded because they didn't prep their ride for our unique winter conditions.

Here's your complete guide to getting your vehicle ready for Mineral Wells winter weather, from someone who's fixed the aftermath of poor winter prep more times than I care to count.
Why Mineral Wells Winter Car Prep is Different
Most winter car guides are written for places that get snow and ice for months. That's not us. Our challenge is different, we get those sudden temperature swings from 70°F one day to 32°F the next, and that's actually harder on your car than consistent cold.
When it's 75° on Tuesday and 35° on Thursday morning, that rapid change stresses every system in your vehicle. Your battery, cooling system, tires, and fluids all have to adapt fast, and sometimes they don't make it.
Battery Care

Remember our August post about Texas heat killing batteries? Well, winter isn't much kinder, especially with our temperature swings.
What Cold Does to Your Battery
When the temperature drops 20 degrees, your battery loses about 10-20% of its cranking power. If your battery was already marginal in summer, that first 32°F morning is going to leave you calling for a jump.
Battery Winter Prep Checklist
Load test your battery (we do this free—takes 5 minutes)
Clean those terminals with baking soda and water
Check the hold-down bracket—cold makes everything brittle
Look for corrosion buildup around the terminals
Pro tip from the shop: If your battery is more than 3 years old and you've noticed slower cranking, replace it before that first freeze. Trust me, it's cheaper than a tow truck.
Cooling Systems in The Winter
"But it's cold—why worry about the cooling system?"
Because antifreeze isn't just about preventing freeze-ups. It's about protecting your engine when temperatures swing from 75° to 35° overnight.
Cooling System Winter Prep
Check your coolant mixture: You want a 50/50 mix of antifreeze and water. This protects down to -34°F, which is way more than we need, but it also prevents corrosion year-round.
Inspect those hoses: Cold makes rubber brittle. A hose that survived August heat might crack when it hits 30°F and then heats up to operating temperature.
Test your thermostat: If it's sticking open, your heater won't work well, and your engine will run inefficiently in cold weather.
Radiator cap inspection: A weak cap that held pressure in summer might fail when pressures change with temperature swings.
Need cooling system help? Check out our cooling system services here.
Tire Pressure: The Math Changes in Winter

Here's something most folks don't know: for every 10°F drop in temperature, your tire pressure drops about 1-2 PSI.
If your tires were set to 32 PSI on a 70° day and it drops to 30° overnight, you're now running around 28 PSI. That's enough to trigger your TPMS light and affect how your car handles.
Winter Tire Maintenance
Check pressure weekly during temperature swing season
Inspect for sidewall damage—cold makes small cracks worse
Look at your tread depth—wet roads and cold temperatures need good grip
Don't forget the spare—it loses air too
Fluids That Hate Temperature Swings
Oil Changes Matter More in Winter
Cold oil is thick oil, and thick oil doesn't flow well when you start your engine. If you're running conventional oil and it's been 4,000+ miles, get it changed before winter hits hard.
Our recommendation: Switch to full synthetic if you haven't already. It flows better in cold weather and protects better during those quick temperature changes.
Other Fluids to Check
Windshield washer fluid: Use winter-grade fluid rated for freezing temperatures
Power steering fluid: Should be clear, not dark or foamy
Brake fluid: Gets contaminated over time and can freeze in extreme cold
Heater and Defroster: You'll Miss Them When They're Gone
Quick Heater System Check
Test your heater output: should blow hot within 5 minutes of starting
Check your cabin air filter: a clogged filter restricts airflow
Make sure all vents work: defrost, floor, and dash vents
Listen for unusual noises: squealing belts or grinding sounds
Emergency Kit for Mineral Wells Winters
Even though we don't get blizzards, you should still be prepared. Here's what we recommend keeping in your car:
Basic Winter Emergency Kit
Jumper cables or portable jump starter
Flashlight with extra batteries
First aid kit
Blanket or warm clothes
Water and snacks
Phone charger (12V or portable battery)
Ice scraper (yes, even in Texas)
Small shovel or traction aids
Local Considerations
Extra water (dehydration happens in cold weather too)
Cash for emergencies
Local emergency numbers programmed in your phone
Map of alternate routes (GPS can fail)
When to Schedule Your Winter Prep
Best timing: Late October or early November, before that first hard freeze but after the worst of the summer heat.
Don't wait until: You're already having problems. By then, you might be looking at emergency repairs instead of preventive maintenance.
Winter car prep in Mineral Wells isn't about surviving a blizzard, it's about handling temperature swings, protecting your investment, and making sure you're not the one calling for help on a cold morning.
The small investment you make in winter prep will save you money, time, and frustration throughout the season. Plus, a well-maintained car is safer for you and your family.
Need Help with Your Winter Car Prep?
At S&S Auto and Diesel, we've been helping Mineral Wells drivers prepare for winter since we took over this location. We know the specific challenges our climate presents, and we've got the experience to get your car ready.
Our winter prep service includes:
Complete battery and charging system test
Coolant system inspection and service
Tire pressure and condition check
Fluid level and condition assessment
Heater and defroster operation test
Emergency preparedness consultation
Ready to schedule? Give us a call at (940) 325-1221 or stop by at 205 NE 22nd Ave, right behind Taco Bell off Highway 180. We're open Monday through Friday, 9AM to 6PM.
Don't wait until that first freeze, get your car ready now, and drive with confidence all winter long.
S&S Auto and Diesel is Mineral Wells' community-first, woman-owned auto shop. From quick maintenance to major repairs, our NAPA-certified team delivers honest, same-day service that keeps your family safe on the road.


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