Car Care Enough: 2014-2019 Toyota Highlander Overview

Introduction

• Discussing common problems & considerations when buying or owning a 2014-2019 Toyota Highlander.
• Coverage includes engine problems, hybrid models, and transmissions.

Engine Problems

Types of Engines

1. Early V6 (2014-2016)
2. Updated V6 (2017-2019)
3. Rare 4-Cylinder Engine
4. Hybrid Model Engines

Common Engine Issues

• Oil Leaks: Both V6 engines (2014-2019) are known for costly oil leaks, especially from the front timing cover.
  • Inspection tip: Check for wet areas around the engine.
  • Recommendation: Avoid buying or negotiate if leaks are present.
• Coolant Leaks & Water Pump Problems:
  • Affected models: 2014-2019.
  • Symptoms: Coolant leaks, rattling noises.
  • Water pump failures can cause overheating if unchecked.
• Vacuum Pump Oil Leak (2017-2019)
  • Easier to fix, but check for leaks before buying.
• 4-Cylinder Engine
  • Underpowered for the vehicle's size.
  • Known for oil consumption issues.
• Start-Stop Technology (2017-2019)
  • Affects starter longevity (382,000 starts).
  • Requires specific battery replacement.

Transmission

Overview

1. 6-Speed Transmission (2014-2016)
   • Reliable with little reported issues.
2. 8-Speed Transmission (2017-2019)
   • Early models (2017-early 2018) had significant problems.
   • Toyota extended warranty and issued fixes.
   • Later models (mid-2018 onward) are more reliable.

Transmission Issues

• Transmission Leaks:
  • Commonly from the plastic oil pan.
  • More prevalent in early models.

Body Issues

• Brake Light & Fog Light Bulb Burnouts: Frequent in 2014-2016 models.
• Paint Peeling: Occasional issues with early production models.
• Front Grill Chipping: Aesthetic issue, not critical.
• Power Back Door Problems: Particularly in 2014-2015 models.

Chassis

• Creaking Noise (2014-2015): From rear control arm bushings.
• Rear Shock Leaks: Common in early production.
• Brake Vibration: Due to warped front rotors.
• Rear Brakes Wear Faster than front.
• Limited Models with Clad Wheels: Expensive to repair if damaged.

Electrical

• Radio Issues: Frequent updates needed; compatibility issues with phones.
• Poor Hands-Free Microphone Quality.

Highlander Hybrids

• Solid Performance
  • Requires specific maintenance, especially fan filter and hybrid coolant.
  • High voltage battery safety note: Avoid water spills.

Conclusion

• Best Years to Buy: Late 2015-2016 or mid-2018 to 2019.
• Main Concern: Check for oil leaks due to potential high repair costs.
• General Advice:
  • Ensure thorough inspection before purchase.
  • Keep up with maintenance to avoid common issues.