2012 Toyota 4Runner

The 2012 Toyota 4Runner is a rugged and reliable SUV known for its off-road capabilities and longevity. It comes equipped with a 4.0L V6 engine producing 270 horsepower and 278 lb-ft of torque, paired with a 5-speed automatic transmission. Owners often praise its durability, off-road prowess, and comfortable ride. Common dislikes include its fuel economy, somewhat dated interior, and handling when not off-roading.

Engine

4.0L V6 (1GR-FE)

• Water Pump Failure
  • Description/Symptoms: Coolant leaks from the water pump area, engine overheating.
  • Solution: Replace the water pump and coolant.
  • Estimated Cost to Fix: $400 - $600
  • Recalls: None Found
• Valve Cover Gasket Leaks
  • Description/Symptoms: Oil leaks visible on the engine, burning oil smell.
  • Solution: Replace the valve cover gaskets.
  • Estimated Cost to Fix: $200 - $400
  • Recalls: None Found

Transmission

A750F 5-Speed Automatic

• Torque Converter Issues
  • Description/Symptoms: Shuddering or vibration at low speeds, especially when the torque converter is locking up. Can also cause stalling.
  • Solution: Replacing the torque converter.
  • Estimated Cost to Fix: $1,500 - $3,000+
  • Recalls: None Found

Suspension

• X-REAS Shock Absorber Failure (If Equipped)
  • Description/Symptoms: Leaking fluid from the shock absorbers, diminished ride quality, excessive body roll, and potential knocking sounds. X-REAS is a linked shock absorber system.
  • Solution: Replacement of the X-REAS shocks, often recommended to replace all shocks simultaneously.
  • Estimated Cost to Fix: $1,500 - $3,000+
  • Recalls: None Found
• Rear Coil Spring Sagging
  • Description/Symptoms: Noticeable sagging in the rear suspension, especially when loaded.
  • Solution: Replacing the rear coil springs. Consider aftermarket springs designed for heavier loads.
  • Estimated Cost to Fix: $300 - $600
  • Recalls: None Found

Electrical

• Alternator Failure
  • Description/Symptoms: Dimming lights, battery not charging, stalling, difficulty starting, or complete failure to start.
  • Solution: Replace the alternator.
  • Estimated Cost to Fix: $500 - $800
  • Recalls: None Found
• Bluetooth Connectivity Issues
  • Description/Symptoms: Difficulty pairing phones, dropped connections, poor audio quality.
  • Solution: Update the head unit software (if available), try a different phone, or replace the head unit.
  • Estimated Cost to Fix: Varies; $0 for software update to $300+ for a new head unit.
  • Recalls: None Found

Exterior

• Rust on Frame (Especially in Areas with Road Salt)
  • Description/Symptoms: Visible rust on the frame, potentially leading to structural weakness.
  • Solution: Rust treatment, undercoating, or in severe cases, frame repair or replacement.
  • Estimated Cost to Fix: $100 (rust treatment) to $5,000+ (frame repair/replacement)
  • Recalls: None Found

Interior

• Sun Visor Sagging/Breaking
  • Description/Symptoms: Sun visors that droop down or break at the hinge.
  • Solution: Replace the sun visors.
  • Estimated Cost to Fix: $50 - $150 per visor
  • Recalls: None Found

Summary: The 2012 Toyota 4Runner is a generally reliable vehicle, but owners have reported issues with the engine, transmission, suspension, electrical systems, and exterior. Engine issues such as water pump failure and valve cover gasket leaks are fairly common and are moderately expensive to fix. Models equipped with the X-REAS suspension may experience issues with the shock absorbers, and rust on the frame can be a concern, especially in regions with road salt. While these issues exist, they are not necessarily indicative of widespread problems, and many 2012 4Runners continue to provide reliable service.