10.0

really awful
Typical Repair Cost:
No data
Average Mileage:
120,000 miles
Total Complaints:
1 complaints

Most common solutions:

  1. replace and rebuild all 4 cylinders and gasket (1 reports)
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problem #1

Mar 012021

Cobalt LT 2.2L Ecotec

  • Automatic transmission
  • 120,000 miles

Timing chain locked up 4 years Prior, which might have been partially the cause. Tried running fuel cleaner and running 89 and 93 in my car before taking the engine apart. Cylinder 1 and 3 were completely warped from overheating. Took cylinders and head to a buddy and got it rebuilt. After putting engine back together got a coolant code. Replaced the sensor and flushed coolant line.

- Crystal K., Petersburg, VA, US