2018 BUICK ENCORE

Typical onset: 40,000-80,000 mi

Symptoms: Transmission fluid leaking near radiator or underneath vehicle, Harsh shifting or slipping after fluid loss, Transmission overheating warning on dash, Pink or red fluid pooling under front of car

Fix: Replace transmission oil cooler lines and associated fittings. Often requires radiator removal for access. 3-4 hours labor. Flush and refill transmission fluid afterward.

Estimated cost: $600-1,200

Typical onset: 60,000-120,000 mi

Symptoms: Loud knocking or ticking noise from engine block, Sudden loss of power and rough idle, Metal shavings in oil or oil filter, Check engine light with misfire or low oil pressure codes, Catastrophic failure—engine seizes or throws rod

Fix: Requires complete engine rebuild or replacement. Pistons crack, connecting rod bearings fail, crankshaft damage follows. Short block or full longblock replacement is typical. 16-22 hours labor for R&R plus machine work if rebuilding. Many owners opt for used/reman engine swap.

Estimated cost: $4,500-7,500

Typical onset: 50,000-90,000 mi

Symptoms: Clunking when shifting from Park to Drive/Reverse, Excessive vibration at idle, Engine appears to rock or shift visibly under hood, Harsh engagement during acceleration

Fix: Replace transmission mount (torque strut). The side mount on these fails due to stress from turbo torque and small engine bay. 1.5-2 hours labor.

Estimated cost: $250-450

Typical onset: 70,000-110,000 mi

Symptoms: Rattling noise on cold start that fades as engine warms, Loss of boost and power under acceleration, Check engine light with underboost codes (P0299), Excessive oil consumption or blue smoke from exhaust

Fix: Turbocharger wastegate actuator fails or turbine shaft bearings wear out. Replace turbocharger assembly. 4-5 hours labor including coolant/oil line work and heat shield removal.

Estimated cost: $1,800-2,800

Typical onset: 80,000-120,000 mi

Symptoms: Squealing or whining noise from front of engine, Rough idle or difficulty starting when warm, Check engine light with cam/crank correlation codes, Sudden no-start if belt fails completely—engine damage likely

Fix: The 1.4L uses a timing belt (not chain). Replace belt, tensioner, and water pump as assembly. This is an interference engine—belt failure destroys valves. 5-6 hours labor.

Estimated cost: $900-1,500

Typical onset: 50,000-90,000 mi

Symptoms: Hard starting or extended cranking, Loss of power and hesitation under load, Check engine light with fuel pressure codes, Rough idle and stalling in traffic

Fix: High-pressure fuel pump or in-tank fuel filter clogs. Filter is part of pump module on many models. Replace fuel pump assembly or filter if serviceable. 2-3 hours labor.

Estimated cost: $600-1,100

Typical onset: 60,000-100,000 mi

Symptoms: Coolant smell or visible orange fluid under vehicle, Low coolant warning light, Slow coolant loss requiring frequent top-offs, Overheating if leak progresses unchecked

Fix: Plastic thermostat housing and water outlet crack or gaskets fail. Replace housing/outlet and associated hoses. 1.5-2.5 hours labor.

Estimated cost: $350-650