why is my Toyota Corolla E170 (2013-2019) making a loud noise when I accelerate

Toyota Corolla E170 (2013-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

535 words

Problem Statement

Diagnose and fix loud noise during acceleration in Toyota Corolla E170 (2013-2019). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Exhaust System

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always allow the engine to cool before working on the vehicle.
•Disconnect the battery before conducting any electrical inspections.

Symptoms

•Loud noise that increases with acceleration
•Possible vibration felt through the steering wheel or floor
•Loss of power or sluggish acceleration
•Unusual smells (burning or fuel-related)
•Check engine light may illuminate

Diagnostic Steps

1
Inspect the exhaust system for leaks or damage, particularly at joints and connections.
2
Check the engine mounts for wear or damage, which could cause noise during acceleration.
3
Scan the vehicle's OBD-II system for any error codes that could indicate underlying issues.
4
Perform a visual inspection of the air intake system for loose components or damaged hoses.
5
Examine the drive belts for signs of wear, fraying, or improper tension.
6
Check the transmission fluid level and condition, as low fluid can cause noise during acceleration.

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

•Jack and jack stands
•Socket set
•OBD-II scanner
•Flashlight
•Safety glasses
•Gloves

Parts Required

•Exhaust components (if damaged)
•Engine mounts (if damaged)
•Drive belts (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 exhaust system for leaks or damage, particularly at joints and connections.
2
Check the engine mounts for wear or damage, which could cause noise during acceleration.
3
Scan the vehicle's OBD-II system for any error codes that could indicate underlying issues.
4
Perform a visual inspection of the air intake system for loose components or damaged hoses.
5
Examine the drive belts for signs of wear, fraying, or improper tension.
6
Check the transmission fluid level and condition, as low fluid can cause noise during acceleration.

Solution

1. Preparation

Tools Required: Jack and jack stands, socket set, OBD-II scanner, flashlight, safety glasses, gloves.
Ensure the vehicle is on a flat surface and the engine is off. Disconnect the battery for safety.

2. Inspect and Repair the Exhaust System

Sub-steps:
1. Raise the vehicle using a jack and secure it with jack stands.
2. Visually inspect the exhaust system for any holes, cracks, or loose connections.
3. If leaks are found, replace the damaged section or tighten loose bolts.
4. If the muffler is damaged, replace it with a new one, ensuring proper alignment.

3. Check Engine Mounts

Sub-steps:
1. Locate the engine mounts and inspect for cracks or separation.
2. If the mounts are damaged, remove the old mounts using a socket set.
3. Replace with new mounts, ensuring they are torqued to the manufacturer’s specifications.

4. Address Drive Belts

Sub-steps:
1. Inspect the drive belts for fraying or excessive wear.
2. If damaged, release tension using a belt tensioner tool.
3. Replace with new belts, ensuring proper tension is set per specifications.

5. Transmission Fluid Check

Sub-steps:
1. Locate the transmission dipstick and check fluid level.
2. If low, add the manufacturer-recommended transmission fluid.
3. If the fluid is dark or smells burnt, consider a transmission fluid change.