why does my Toyota Corolla E170 (2013-2019) engine make a ticking noise when cold

Toyota Corolla E170 (2013-2019)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

4 min read

648 words

Problem Statement

Learn how to diagnose and fix a ticking noise in the engine of a 2013-2019 Toyota Corolla E170. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Engine

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Allow the engine to cool before working on it to avoid burns.
•Ensure to dispose of old oil and filters in accordance with local regulations.

Symptoms

•Ticking noise from the engine when starting, especially when cold
•Noise diminishes or disappears as the engine warms up
•Possible rough idle during cold starts
•Check engine light may illuminate (if related to oil pressure)
•Decreased engine performance during initial operation

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any potential issues related to engine performance or oil pressure.
2
Check engine oil level and condition to ensure it is at the proper level and not contaminated.
3
Inspect oil filter for any signs of blockage or failure which could affect oil flow.
4
Listen for the location of the ticking noise with a mechanic's stethoscope to determine if it is coming from the valvetrain, injectors, or other components.
5
Conduct a cold start test to observe if the noise appears consistently under similar conditions.
6
Check for any loose components or covers that may be vibrating and contributing to 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
•Wrench set
•Oil catch pan
•Oil filter wrench
•Funnel

Parts Required

•Engine oil (0W-20)
•Oil filter

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any potential issues related to engine performance or oil pressure.
2
Check engine oil level and condition to ensure it is at the proper level and not contaminated.
3
Inspect oil filter for any signs of blockage or failure which could affect oil flow.
4
Listen for the location of the ticking noise with a mechanic's stethoscope to determine if it is coming from the valvetrain, injectors, or other components.
5
Conduct a cold start test to observe if the noise appears consistently under similar conditions.
6
Check for any loose components or covers that may be vibrating and contributing to the noise.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a flat surface and engage the parking brake.
Tools Required: Socket set, wrench set, oil catch pan, OBD-II scanner.

2. Change Engine Oil and Filter

Drain Old Oil:
- Place an oil catch pan under the oil pan.
- Remove the oil drain plug using the socket set and allow the oil to completely drain.
- Replace the drain plug and tighten to the manufacturer’s specified torque (typically around 20-25 ft-lbs).
Replace Oil Filter:
- Use an oil filter wrench to remove the old oil filter.
- Apply a thin layer of new oil to the gasket of the new oil filter.
- Install the new oil filter hand-tight, ensuring a proper seal.
Add New Engine Oil:
- Refer to the owner’s manual for the correct type and amount of oil (typically 0W-20 for this model).
- Use a funnel to pour the new oil into the engine through the oil filler cap.
- Start the engine and let it idle for a few minutes, checking for leaks around the filter and drain plug.

3. Inspect and Adjust Valvetrain Components (if necessary)

Remove Engine Cover:
- Use the socket set to remove bolts holding the engine cover.
- Carefully lift off the cover and set it aside.
Inspect for Loose Components:
- Check for any loose bolts on the rocker arms or camshaft.
- Tighten any loose bolts to the specified torque.
Adjust Valve Clearance (if applicable):
- If the engine has adjustable valves, check and adjust the clearance according to manufacturer specifications.

4. Reassemble and Test

Reinstall the engine cover.
Start the engine and listen for the ticking noise.
Test drive the vehicle to ensure the issue has been resolved.