2016 Toyota 4Runner

The 2016 Toyota 4Runner is a rugged and reliable SUV known for its off-road capability and longevity. It came standard with a 4.0L V6 engine producing 270 horsepower and 278 lb-ft of torque, paired with a 5-speed automatic transmission. Owners appreciate the 4Runner’s dependability, strong resale value, and off-road prowess. However, some common complaints include its outdated interior, lower fuel economy compared to other SUVs, and somewhat sluggish acceleration.

Engine

4.0L V6

• Valve Cover Gasket Leaks
  • Description/Symptoms: Oil leaks appearing around the valve cover, often noticed as a burning smell or visible oil dripping onto the exhaust manifold.
  • Solution: Replacing the valve cover gaskets.
  • Estimated Cost to Fix: $200 - $400
• Water Pump Failure
  • Description/Symptoms: Coolant leaks, overheating, and a whining noise coming from the front of the engine.
  • Solution: Replacing the water pump.
  • Estimated Cost to Fix: $400 - $800

Transmission

5-Speed Automatic

• Torque Converter Shudder
  • Description/Symptoms: A noticeable shudder or vibration during light acceleration, typically between 35-45 mph. May be more pronounced when the transmission is in overdrive.
  • Solution: In some cases, a transmission fluid flush may temporarily alleviate the issue. More permanent solutions may involve replacing the torque converter or a complete transmission rebuild.
  • Estimated Cost to Fix: $100 (fluid flush) to $2000+ (torque converter/rebuild)

Suspension

• Rear Coil Spring Sagging
  • Description/Symptoms: The rear of the vehicle sits lower than the front, especially when loaded. Can cause a rougher ride and reduced towing capacity.
  • Solution: Replacing the rear coil springs. Consider aftermarket options for improved load capacity.
  • Estimated Cost to Fix: $300 - $600
• Front Strut Failure
  • Description/Symptoms: Leaking fluid from the strut, bouncy ride, excessive nose dive during braking.
  • Solution: Replacing the front struts.
  • Estimated Cost to Fix: $400 - $800 (for both struts)

Electrical

• Starter Motor Failure
  • Description/Symptoms: The vehicle fails to start, often accompanied by a clicking noise.
  • Solution: Replacing the starter motor.
  • Estimated Cost to Fix: $300 - $600
• Alternator Failure
  • Description/Symptoms: Dimming headlights, warning lights on the dashboard, difficulty starting, and eventually a complete loss of electrical power.
  • Solution: Replacing the alternator.
  • Estimated Cost to Fix: $400 - $800
• Battery Drain
  • Description/Symptoms: Vehicle has a dead battery after sitting for a few days or weeks.
  • Solution: Perform a parasitic draw test and diagnose the part that is causing it.
  • Estimated Cost to Fix: $100-1000+ depending on part

Exterior

• Rust on Undercarriage
  • Description/Symptoms: Visible rust forming on the frame, suspension components, and other undercarriage parts, particularly in areas with high road salt usage.
  • Solution: Rust mitigation via rust inhibitors or treatment and/or part replacements where structural integrity is compromised.
  • Estimated Cost to Fix: $100 - $2000+ depending on severity

Interior

• Navigation System/Radio Issues
  • Description/Symptoms: Touchscreen freezes, navigation system malfunctions, Bluetooth connectivity problems, and issues with the radio.
  • Solution: Resetting the system, updating the software (if available), or replacing the head unit.
  • Estimated Cost to Fix: $0 (reset) to $1000+ (replacement)
• Air Conditioning Failure
  • Description/Symptoms: A/C blows warm air, reduced cooling performance.
  • Solution: Recharge A/C system. Check for leaks. Repair any damaged components, such as the compressor.
  • Estimated Cost to Fix: $150 - $1200 depending on the failed part

Summary

The 2016 Toyota 4Runner is a generally reliable vehicle. Most reported issues are fairly common for vehicles of this age and mileage. Valve cover and water pump leaks, and coil spring sagging are pretty common. Other reported problems are electrical and interior issues. Repair costs range from minor, inexpensive fixes to more substantial repairs, depending on the issue.