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The 2012 Avalon has about average reliability compared to other cars from the same model year.
The Reliability score is based on our latest subscriber survey of 2012 Toyota Avalon owners. The owner comments describe problems respondents experienced with this vehicle.
Muffler, pipes, catalytic converter, exhaust manifold, heat shields, leaks.
"It has had an intermittent complete battery drain (needed to jump) that has not been identified noir fixed since purchase. Happens about twice a year in cold or cooler weather."
Anonymous A., VA (2012 Toyota Avalon Unsure 3.5-L V6)""Tire balance off,""
Anonymous, ME (2012 Toyota Avalon Base 3.5-L V6)Sensors (O₂, or oxygen, sensor), emission-control devices (includes EGR), fuel-injection system, fuel gauge/sender, fuel pump, problems filling up the tank.
"Related to gas cap and canister replacements."
Anonymous, NJ (2012 Toyota Avalon Base 3.5-L V6)"Testing required use of "smoke" diagnostic to determine leaks. So testing first time for gas cap and then a later second time for canister. $1500 for both repairs in total."
Anonymous, NJ (2012 Toyota Avalon Base 3.5-L V6)Cruise control, clock, warning lights, body control module, keyless entry, wiper motor or washer, tire pressure monitor, interior or exterior lights, horn, gauges, 12V power plug, USB ports, alarm or security system, remote engine start, heated or cooled seats, heated steering wheel, headlights, automatic headlights, automatic wipers, wireless charging pad.
"Clicking the key to lock twice does not always turn the headlights off. It has also run my battery down twice because even though I hit the lock button twice (and I thought they were turned off) they never turned off."
Anonymous, NC (2012 Toyota Avalon Base 3.5-L V6)""Both the interior lights and the electric window openers stopped working properly,i.e., worked and did not work intermittently. However, the windows now work fine and the lights will not turn off automatically when I get out of my car and try to turn them off with my key, but ONLY at the house. And NO I do not know why. Probably something to do with the sensor.""
Anonymous, NC (2012 Toyota Avalon Base 3.5-L V6)AC compressor, blower (fan) motor, condenser, evaporator, heater system, automatic climate system, electrical failure, refrigerant leakage.
"Experienced 1st in 4/25 and have not added AC coolant yet."
Anonymous, NC (2012 Toyota Avalon Limited 3.5-L V6)Premature pad/rotor wear, pulsation or vibration, antilock system, parking brake, master cylinder, calipers, squeaking, brake failure, regenerative braking.
""With brake wear, had brake vibration and pulses as if the ABS was engaging. With brake job, all is well (at least in month 1)""
Anonymous, CT (2012 Toyota Avalon Limited 3.5-L V6)Driveshaft or axle, CV joint, differential, transfer case, four-wheel-drive/all-wheel-drive components, driveline vibration, electrical failure, traction control, electronic stability control.
"Bad vibrations from the cv joints"
Anonymous, LA (2012 Toyota Avalon Base 3.5-L V6)Engine rebuild or replacement, cylinder head, head gasket, turbocharger or supercharger, timing chain or belt.
Shocks or struts, ball joints, tie rods, wheel bearings, alignment, steering linkage (includes rack and pinion), power steering (pumps and hoses, leaks), wheel balance, springs or torsion bars, bushings, electronic or air suspension.
Alternator, starter, hybrid battery replacement, hybrid battery related systems, regular battery, battery cables, engine harness, coil, ignition switch, electronic ignition, spark plugs and wires failure, auto stop/start.
Gear selector and linkage, transmission computer, transmission sensor or solenoid, clutch adjustment, rough shifting, slipping transmission, leaks.
Transmission rebuild or replacement, torque converter, premature clutch replacement.
Squeaks, rattles, wind noises, seals and/or weather stripping, air and water leaks.
Windows, locks and latches, doors or sliding doors, tailgate, trunk or hatch, mirrors, seat controls (power or manual), seat belts, sunroof, convertible top, glass defect.
Accessory belts and pulleys, engine computer, engine mounts, engine knock or ping, fuel leaks, oil leaks.
Radiator, cooling fan, water pump, thermostat, antifreeze leaks, overheating.
Paint (fading, chalking, peeling, or cracking), loose interior or exterior trim or moldings, rust.
Infotainment system (audio, GPS, phone), rear entertainment system, backup or other camera/sensors, head-up display.
Toyota Avalon
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"Loud"
Anonymous, WI (2012 Toyota Avalon Unsure 3.5-L V6)