Buick Encore GX
1.2-liter turbo three-cylinder with 137 hp and CVT transmission. Class action lawsuit filed against GM for connecting rod failure. GM extended turbocharger special coverage to 15 years/150,000 miles. Engine not yet mature — oil consumption and turbo failures too frequent for its age.
Three-cylinder with growing pains
Turbo failures, connecting rod breaks, CVT issues — the 1.2L three-cylinder is not yet mature. Class action lawsuit against GM ongoing.
Engine Weaknesses 3
The 1.2L three-cylinder turbocharger can fail prematurely. GM extended special coverage to 15 years/150,000 miles.
Symptoms: Check engine light, reduced power message, cold start rattle, DTC P0299
Connecting rod can break and pierce the engine block. Class action lawsuit filed against GM. Replacement engines are backordered.
Symptoms: Loud knocking, reduced engine power message, engine stalls, fluid leaks
Lubrication passage failures and engine block porosity issues can cause oil starvation at turbo bearings and connecting rod bearings.
Symptoms: High oil consumption, knocking noises, check engine light
Vehicle Weaknesses 5
The CVT (VT40) in the FWD version shows shudder and can stall at low speeds.
Electronic gear selector fails to recognize Park position. TSB 23-NA-119 describes the repair. Class action lawsuit filed against GM.
ABS wheel speed sensors fail prematurely, sometimes at just 5,000 miles. ABS and traction control deactivate.
The three-cylinder engine produces noticeable cabin vibrations, especially at idle. By design, not repairable.
Display dropouts, rearview camera freezes, infotainment unresponsive. Software issue.
