Is Your Car Ready for a Spokane Winter?
If you've lived in the Inland Northwest for more than a year, you know that winter isn't just a season—it's a driving hazard. From black ice on the South Hill to deep snow in Deer Park, your vehicle needs to be prepared.
Here is our mechanic-approved checklist to winterize your car.
1. Check Your Battery (The Cold Killer)
Freezing temperatures drastically reduce a battery's cranking power. If your battery is over 3 years old, it is at high risk of failing on the first sub-zero morning. Action: Have the battery load-tested and clean the terminals to ensure a strong connection.
2. Inspect Tires and Tire Pressure
All-season tires lose their grip quickly in deep snow.
- Tread Depth: You need at least 5/32" of tread for adequate snow traction.
- Tire Pressure: For every 10 degrees the temperature drops, your tires lose 1 PSI. Underinflated tires are dangerous on icy roads.
- Consider dedicated winter tires (like Blizzaks) if you commute on untreated roads.
3. Test Antifreeze / Coolant
Your coolant does double duty: it keeps you warm via the heater core and prevents the engine block from freezing and cracking. Action: Test the coolant mixture to ensure it protects down to at least -30°F.
4. Replace Worn Wiper Blades & Fill Washer Fluid
Visibility is critical when dealing with road salt and slush.
- Switch to winter-specific wiper blades that resist ice buildup.
- Drain summer washer fluid and fill the reservoir with a winter blend rated for -20°F.
5. Switch to Winter-Weight Oil
If you use conventional oil, cold temperatures cause it to thicken, making it difficult for the engine to turn over. Switching to a synthetic or lower-viscosity oil (like 5W-30 or 0W-20, per your manual) ensures proper flow during cold starts.
Don't wait for the first snowfall to find out your car isn't ready. Schedule a winter inspection at All Motors Center, and we'll make sure you're safe for the season.