my Toyota Corolla E170 (2013-2019) is 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

583 words

Problem Statement

Learn how to diagnose and fix loud noise during acceleration in 2013-2019 Toyota Corolla E170. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Exhaust System

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical components
•Allow the engine to cool before inspecting the exhaust system

Symptoms

•Loud noise during acceleration
•Possible vibration felt through the accelerator pedal
•Decreased engine performance or responsiveness
•Check engine light may be illuminated
•Unusual smells, such as burning or fuel odor, may be present

Diagnostic Steps

1
Scan for error codes using OBD-II scanner
2
Inspect the exhaust system for visible damage, leaks, or loose components
3
Check engine and transmission mounts for wear or damage
4
Assess the air intake system for obstructions or damage
5
Take the vehicle for a test drive to confirm the noise

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
•Exhaust clamp kit
•Exhaust repair tape
•Throttle body cleaner
•Soft cloth

Parts Required

•Exhaust repair tape or clamps
•Engine and transmission mounts (if necessary)
•Air filter

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Solution

1. Preparation

Gather tools and parts: ensure you have socket sets, wrenches, and safety gear.
Park the vehicle on a level surface and engage the parking brake.
Disconnect the negative battery terminal to ensure safety.

2. Inspect and Repair Exhaust System

Step 1: Raise the vehicle using jack stands.
Step 2: Inspect the exhaust pipes, muffler, and catalytic converter for cracks or holes.
Step 3: If leaks are found, mark the damaged areas for repair or replacement.
Step 4: Use exhaust repair tape or clamps for small holes or replace damaged components as necessary.
Tools Required: Socket set, exhaust clamp kit, exhaust repair tape.

3. Check and Replace Engine/Transmission Mounts

Step 1: Locate the engine and transmission mounts.
Step 2: Visually inspect mounts for cracks, tears, or excessive wear.
Step 3: If any mounts are damaged, remove the bolts securing the mounts using a socket set.
Step 4: Replace with new mounts and torque bolts to manufacturer specifications (typically 25-35 ft-lbs, but verify with repair manual).
Tools Required: Torque wrench, socket set.

4. Inspect Air Intake System

Step 1: Remove the air intake duct from the throttle body.
Step 2: Check the air filter for dirt and debris; replace if necessary.
Step 3: Clean the throttle body using throttle body cleaner and a soft cloth.
Step 4: Reassemble the air intake system, ensuring all connections are tight.
Tools Required: Throttle body cleaner, soft cloth.