According to the bulletin, the coverage for the leaking water pump has been extended to 10 years or 150,000 miles the solution is to replace the water pump.Ĭoolant leaks from the thermostat housing have also been reported. The GM service bulletin 14371A describes the issue with a leaking water pump in the 2012-2014 Sonic with a 1.4L engine. The water pump failures are mentioned by several owners. The code P1101 in the 1.4L turbo engine could be caused by a faulty PCV pipe.Ī faulty oil pressure switch may leak oil and cause the oil light to come on. Check this thread at for more details (the Cruze and the Sonic share the same engines).
The 1.8L also has problems with the PCV system. A failed PCV diaphragm in the valve cover or a missing intake manifold check valve can cause Check Engine light with codes P0171, P0106, excessive oil consumption, rough idle and other issues in the 1.4L turbo engine. Problems: Oil and coolant leaks, as well as Check Engine light issues, are not uncommon. The Sonic also received a Top Safety Pick award from the Insurance Institute for Highway Safety (IIHS). In the NHTSA crash tests, all 2012-2017 Sonic 5- and 4-door models scored five out of five stars overall rating, with 5 stars in the frontal and 5 stars in the side-impact crash tests.
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