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CarComplaints.com Notes: The 2012 Chevrolet Sonic is fairly new & is already showing an early trend of transmission problems.

Owners report hesitation when shifting & grinding/hard shifting into gears. Some dealers are calling the condition "normal". Another owner reported his dealership replaced the transmission under warranty, but the new transmission had the same exact grinding problem. Design defect?

7.3

pretty bad
Typical Repair Cost:
$150
Average Mileage:
66,400 miles
Total Complaints:
3 complaints

Most Common Solutions:

  1. new fan (2 reports)
  2. not sure (1 reports)
2012 Chevrolet Sonic cooling system problems

cooling system problem

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2012 Chevrolet Sonic Owner Comments

problem #3

Apr 192016

Sonic LX 1.8L

  • Manual transmission
  • 40,145 miles

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

For starters the windshield cracked without reason & now the cooling fan broke. The thermostat broke and leak water and the coolant water temperature sensor not working too.

- Ruben C., Freeport, US

problem #2

Aug 152015

Sonic LS 4

  • Automatic transmission
  • 82,000 miles

One thing after another, things cont. to keep going wrong

- mahjkh, Okeechobee, US

problem #1

Jun 182014

Sonic LS

  • Automatic transmission
  • 77,000 miles

DO NOT BUY A CHEVY SONIC. OUT OF THE SHOOT, SHIFTING PROBLEMS, BAD ELECTRICAL CRIMPS ON WIRING HARNESS, BAD THERMOSTAT, BAD FAN MOTOR.

BEWARE MAJOR PROBLEMS AT JUST 76,000 MILES.

- boydaz, Phoenix, AZ, US

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