why does my Toyota Corolla E170 (2013-2019) have a burning smell when driving

Toyota Corolla E170 (2013-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

570 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 a burning smell in your Toyota Corolla E170. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Engine

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 inspecting the cooling system to avoid burns.

Symptoms

•Burning smell detectable inside or outside the vehicle
•Possible smoke coming from under the hood or wheel area
•Unusual noises from the engine or brakes
•Decreased braking performance (if related to brakes)
•Engine overheating (if related to coolant issues)

Diagnostic Steps

1
Inspect the engine bay for any visible signs of oil or fluid leaks.
2
Check the brake system for signs of overheating, such as discoloration or burning smell from the wheels.
3
Scan for any error codes using an OBD-II scanner to identify potential engine issues.
4
Measure engine temperature using a thermal imaging camera or infrared thermometer.
5
Inspect belts and hoses for signs of wear or damage that could indicate overheating.
6
Examine the vehicle’s exhaust system for leaks or burning materials.

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
•Torque wrench
•Jack and jack stands
•Screwdrivers

Parts Required

•Engine oil (if low)
•Coolant (if low)
•Replacement belts or hoses (if damaged)
•Brake pads and/or rotors (if worn)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Inspect the engine bay for any visible signs of oil or fluid leaks.
2
Check the brake system for signs of overheating, such as discoloration or burning smell from the wheels.
3
Scan for any error codes using an OBD-II scanner to identify potential engine issues.
4
Measure engine temperature using a thermal imaging camera or infrared thermometer.
5
Inspect belts and hoses for signs of wear or damage that could indicate overheating.
6
Examine the vehicle’s exhaust system for leaks or burning materials.

Solution

1. Preparation

Ensure the vehicle is parked on a level surface and the engine is turned off.
Gather necessary tools and parts.
Wear appropriate safety gear such as gloves and safety glasses.

2. Addressing Engine Issues

Step 1: Check for fluid leaks
- Inspect the oil, coolant, and transmission fluid levels. Top off as necessary.
Step 2: Replace damaged belts or hoses
- Use a socket set to remove any components blocking access to the serpentine belt.
- Replace any worn belts or hoses and tighten to manufacturer specifications.

3. Inspecting the Brake System

Step 1: Remove the wheel
- Use a jack to lift the vehicle and securely place it on jack stands.
- Remove lug nuts with a socket wrench and take off the wheel.
Step 2: Inspect brake components
- Check the brake pads, rotors, and calipers for signs of wear or overheating.
- Replace any worn brake pads or rotors and ensure calipers are functioning properly.
Step 3: Reassemble
- Reattach the wheel, tighten lug nuts to torque specifications, and lower the vehicle.

4. Checking for Overheating

Step 1: Inspect the cooling system
- Check for coolant leaks and ensure the coolant reservoir is filled to the appropriate level.
Step 2: Replace faulty thermostat
- Drain coolant, remove the thermostat housing, and replace the thermostat as per manufacturer specifications.