Get the car ready before the summer heat

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1. Run the A/C on max before June

   If the air is only cool, not cold, the system may be low. An A/C check reads pressures and looks for the obvious before the hottest weeks.

2. Check coolant level with the engine cold

   Never open a hot radiator cap. A low reservoir in spring is a sign to look for a slow leak before the heat arrives.

3. Confirm the coolant mix

   Coolant protects against boiling as well as freezing. A season of topping off with water weakens both.

4. Test the battery

   Heat speeds up the chemical wear inside a battery, and summer is often when a battery weakened by the previous winter gives out.

5. Set tire pressure in the morning

   Pressure climbs as the pavement heats up. Set it cold to the number on the door jamb, not the maximum on the sidewall.

6. Replace a dirty cabin filter

   A clogged cabin filter cuts airflow from the vents, which feels like weak A/C. Smoke season often follows right behind the heat.

7. Look at the engine air filter

   Dry spring wind loads it with dust, and a restricted filter makes the engine work harder on the climb to Tahoe.

8. Check wiper rubber for sun damage

   UV cracks the edge even when the blades have barely been used since spring.

9. Stay on the oil schedule

   Long hot climbs and stop-and-go traffic in the heat count as severe service in most owner's manuals.

10. Pack water and shade

    A gallon of water and a windshield shade make a breakdown on US-95 or on I-80 east of Fernley far more manageable.

Reno's airport station averages 65 days a year at 90 F or hotter and about 6 at 100 F or more, with July alone averaging about 24 days over 90 (NOAA 1991-2020). Minden runs slightly hotter, at about 68 days a year. Heat does not break cars all at once. It finds the low refrigerant, the tired coolant and the battery that barely made it through winter, usually on the hottest afternoon in traffic on I-580.

The three summer failures we see most

The first warm week of June brings A/C complaints into all four service centers. Most are a system that has slowly lost refrigerant over a few years, and some are a cabin filter so packed with spring pollen that the fan cannot push air through it. The second pattern is overheating in traffic, where the coolant is low or worn out and the cooling fan is working at its limit. The third surprises people: batteries fail in summer too, and it is often heat that finishes a battery the cold weakened.

Each of those is cheaper and less stressful to catch in May than on the shoulder in August.

What a visit covers

Our A/C service checks the system's performance and pressures and recharges it if it is low. If the check suggests a leak or a failed part, we say so, and the repair goes to a full-service repair shop. A coolant flush replaces worn coolant with the type your manufacturer specifies. A cabin air filter swap is fast and you can see the old one before we throw it out.

The multi-point check that comes with every full-service oil change covers the fluid levels, tire pressure, lights and filters, so one stop answers most of this list.

Plan the visit for a cool morning

the bays open at 8 in Reno and Carson City and at 9 in Gardnerville. A weekday morning in May is the calm window before the summer rush. The summer page has more on heat and long drives.