why does my Toyota Highlander Third Generation (2014-2019) have a burning smell

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a flat surface, and the engine is cool.
• Disconnect the battery to prevent electrical shocks.

2. Inspect and Repair Fluid Leaks

• Sub-steps:
  • Check for coolant leaks around hoses and the radiator.
  • If leaks are found, replace damaged hoses or the radiator.
  • Inspect oil pan and gasket for oil leaks; replace if necessary.
• Tools Required: Socket set, wrench set, coolant, oil

3. Replace Overheating Components

• Sub-steps:
  • If coolant level is low, refill with the appropriate coolant type.
  • Replace the thermostat if it’s stuck closed, preventing proper coolant flow.
  • Inspect and replace the water pump if it shows signs of failure.
• Tools Required: Screwdrivers, torque wrench, coolant

4. Check and Repair Electrical Issues

• Sub-steps:
  • Inspect all wiring harnesses for signs of melting or damage.
  • Replace any damaged wires and secure them properly.
  • Test electrical components like the alternator and battery for proper functionality.
• Tools Required: Multimeter, wire strippers, electrical tape

5. Brake Inspection and Maintenance

• Sub-steps:
  • Inspect brake pads and rotors for excessive wear.
  • Replace any worn brake components to prevent overheating.
• Tools Required: Jack, jack stands, socket set