my Toyota Camry Eighth Generation (2018-present) has a burning smell when driving what's causing it

Toyota Camry Eighth Generation (2018-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

580 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix the burning smell issue in your Toyota Camry Eighth Generation. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Brakes

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Allow the engine to cool before opening the hood or inspecting components.

Symptoms

•Burning smell noticeable during driving
•Smoke coming from under the hood or from the tires
•Check engine light may be illuminated
•Unusual noises while driving (e.g., grinding, squeaking)
•Decreased performance or acceleration issues
•Overheating engine temperature gauge

Diagnostic Steps

1
Inspect the engine bay for any visible signs of leaks or damaged components.
2
Check the brake system for signs of overheating or wear, particularly the brake pads.
3
Use an OBD-II scanner to check for any stored error codes.
4
Inspect the transmission fluid for burnt smell or discoloration.
5
Test the engine coolant levels and inspect for leaks that could cause overheating.
6
Check the belts and hoses for signs of wear or damage.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•OBD-II scanner
•Socket set
•Multimeter
•Brake cleaner
•Rags
•Jack and jack stands
•Oil filter wrench
•Oil catch pan
•Transmission fluid pump

Parts Required

•Engine oil and filter
•Transmission fluid
•Brake pads and rotors (if necessary)
•Serpentine belts and hoses (if necessary)
•Engine coolant

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Diagnostic Steps

1
Inspect the engine bay for any visible signs of leaks or damaged components.
2
Check the brake system for signs of overheating or wear, particularly the brake pads.
3
Use an OBD-II scanner to check for any stored error codes.
4
Inspect the transmission fluid for burnt smell or discoloration.
5
Test the engine coolant levels and inspect for leaks that could cause overheating.
6
Check the belts and hoses for signs of wear or damage.

Solution

1. Preparation

Gather tools: OBD-II scanner, socket set, multimeter, brake cleaner, rags.
Ensure the vehicle is parked on a level surface and the engine is cool to the touch.

2. Inspect and Repair Brake System

Remove the wheel for access to the brake assembly.
Inspect brake pads for excessive wear or glazing; replace if necessary.
- Tools Required: Jack, jack stands, lug wrench.
Check the brake rotor for signs of overheating or warping; machine or replace if necessary.
Reassemble the wheel and ensure all bolts are torqued to manufacturer specifications.

3. Check and Replace Engine Oil or Transmission Fluid

Remove the oil dipstick to check for burnt oil odor.
If oil smells burnt, change the engine oil and filter.
- Tools Required: Oil filter wrench, oil catch pan, funnel.
For transmission fluid, check the dipstick for discoloration or burnt smell; if present, replace the fluid.
- Tools Required: Transmission fluid pump, catch pan.

4. Inspect and Replace Belts and Hoses

Visually inspect serpentine belts and hoses for cracks, fraying, or leaks.
Replace any damaged belts or hoses to prevent further issues.
- Tools Required: Belt tensioner tool, socket set.

5. Address Overheating Issues

Check coolant levels; add coolant if low.
Inspect the radiator and hoses for leaks; replace any damaged parts.
Ensure the thermostat and water pump are functioning properly.