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4.0

definitely annoying
Typical Repair Cost:
No data
Average Mileage:
59,550 miles
Total Complaints:
1 complaints

Most Common Solutions:

  1. not sure (1 reports)
2017 Chevrolet Sonic AC / heater problems

AC / heater problem

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2017 Chevrolet Sonic Owner Comments

problem #1

Nov 042024

Sonic LS 1.8L Dohc Ecotech

  • Automatic transmission
  • 59,540 miles

A D V E R T I S E M E N T S

Inconsistent heating overall. Some days if the weather is below 50 degrees Fahrenheit the heating system does warm up much slower than typical then the air coming out of the vents cools down as if A-C refrigerant seeped into the blower parts or tubes HVAC "pipes" thereby dispersing cooler airflow through the cabin interior. The rear window defog is ok. Traveling over ten miles estimated 15+ miles stopping in plaza and checking the engine the heat from the 1.8L DOHC Ecotech seems hotter than usual. I don't think it's just the fan blower as one person reported and supposedly had replaced. Could be a temperature regulator sensor? If so equipped. Might be an electrical problem? Probably have to check the antifreeze and radiator components.

- fishstix, Marshfield, US

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