2017 Toyota Avalon

The 2017 Toyota Avalon is a full-size sedan known for its spacious interior, comfortable ride, and reputation for reliability. The standard engine is a 3.5-liter V6 producing 268 horsepower and 248 lb-ft of torque, paired with a 6-speed automatic transmission. A hybrid version was also available. Owners appreciate the Avalon’s smooth ride, quiet cabin, and ample rear legroom. Common complaints revolve around the infotainment system’s dated interface and some styling elements.

Engine

3.5L V6

• Oil Leak From Timing Cover
  • Description/Symptoms: Oil leak is present. Oil is leaking from the front timing cover which could cause low oil levels and potential engine damage if left unrepaired.
  • Solution: Remove and reseal the front timing cover using new gaskets and sealant.
  • Estimated Cost to Fix: $800 - $1500+
  • Recalls: None Found
• Water Pump Failure
  • Description/Symptoms: Overheating engine, coolant leaks near the front of the engine.
  • Solution: Replace the water pump and coolant.
  • Estimated Cost to Fix: $400-$800+
  • Recalls: None Found

Transmission

6-Speed Automatic

• Harsh Shifting
  • Description/Symptoms: Hard or jerky shifts between gears, particularly at lower speeds. May be more pronounced when the transmission is cold.
  • Solution: In some cases, a software update/reprogramming of the transmission control module (TCM) can resolve the issue. If the problem persists, valve body replacement or a transmission rebuild may be necessary.
  • Estimated Cost to Fix: $150 - $300 (reprogramming) / $800 - $2000+ (valve body/rebuild)
  • Recalls: None Found

Suspension

• Strut/Shock Absorber Failure
  • Description/Symptoms: Bouncy ride, excessive body roll during turns, clunking noises from the suspension, uneven tire wear.
  • Solution: Replace the affected struts or shocks. Replacing them in pairs (both front or both rear) is recommended.
  • Estimated Cost to Fix: $300 - $800+ per pair
  • Recalls: None Found

Electrical

• Entune Infotainment System Issues
  • Description/Symptoms: System freezes, slow response times, Bluetooth connectivity problems, navigation malfunctions.
  • Solution: Software updates may resolve some issues. In other cases, replacement of the head unit might be necessary.
  • Estimated Cost to Fix: $0 (software update) / $500 - $1500+ (head unit replacement)
  • Recalls: None Found
• Sensor Malfunction
  • Description/Symptoms: Various warning lights illuminate on the dashboard, inaccurate sensor readings (e.g., tire pressure monitoring system, blind spot monitoring).
  • Solution: Diagnose the faulty sensor and replace it.
  • Estimated Cost to Fix: $100 - $500+ (depending on sensor)
  • Recalls: None Found

Exterior

• Sunroof Issues
  • Description/Symptoms: Sunroof motor failure, leaks, or difficulty opening/closing.
  • Solution: Diagnose the cause of the problem (motor, seals, track) and repair or replace the affected components.
  • Estimated Cost to Fix: $200 - $800+
  • Recalls: None Found

Interior

• Seat Heater Malfunction
  • Description/Symptoms: Seat heaters do not function, heat intermittently, or overheat.
  • Solution: Check the heating element and wiring for damage. Replace faulty components.
  • Estimated Cost to Fix: $200 - $600+
  • Recalls: None Found

Summary: The 2017 Toyota Avalon is generally a reliable vehicle, but like any car, it has potential issues. Engine and transmission problems, while not widespread, can be costly to repair. Electrical gremlins within the infotainment system are relatively common and frustrating, while suspension and sunroof issues can also occur. Overall, the severity and cost of these potential problems range from minor annoyances to significant expenses.