how to fix the timing chain problems in my Toyota Corolla E170 (2013-2019)

Toyota Corolla E170 (2013-2019)

Error Codes

4-8 hours

Time

hard

Difficulty

high

Severity

3 min read

577 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 timing chain problems in Toyota Corolla E170 (2013-2019). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Engine

Estimated Time

4-8 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect battery before working on electrical systems.
•Allow engine to cool before opening any components.

Symptoms

•Engine noise, such as rattling or ticking, especially during startup
•Check engine light illuminated
•Poor acceleration or loss of power
•Rough idling or stalling
•Engine misfires or poor performance

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to determine if there are related fault codes.
2
Inspect the timing chain cover for oil leaks or signs of wear.
3
Check the tensioner and guides for proper operation and wear.
4
Measure the timing chain stretch using a timing chain measurement tool.
5
Listen for abnormal sounds coming from the timing chain area while the engine is running.

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

•Socket set
•Torque wrench
•OBD-II scanner
•Timing chain measurement tool
•Engine oil
•New gaskets

Parts Required

•New timing chain
•New timing chain tensioner
•Timing chain guides

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to determine if there are related fault codes.
2
Inspect the timing chain cover for oil leaks or signs of wear.
3
Check the tensioner and guides for proper operation and wear.
4
Measure the timing chain stretch using a timing chain measurement tool.
5
Listen for abnormal sounds coming from the timing chain area while the engine is running.

Solution

1. Preparation

Tools Required: Socket set, torque wrench, OBD-II scanner, timing chain measurement tool, engine oil, new gaskets.
Disconnect the negative battery terminal to prevent electrical shorts.
Allow the engine to cool before beginning work.

2. Remove Engine Covers

Remove the engine cover and any other plastic covers obstructing access to the timing chain.
Use a socket set to remove the bolts securing the covers.

3. Drain Engine Oil

Place a drain pan under the oil pan.
Remove the oil drain plug and allow the oil to fully drain.
Replace the oil drain plug once the oil has drained.

4. Remove Timing Chain Assembly

Remove the front timing cover bolts and carefully detach the cover.
Mark the position of the crankshaft and camshaft timing marks.
Remove the timing chain tensioner, ensuring that you do not damage the gasket surface.
Remove the chain and guides from their respective positions.

5. Inspect and Replace Components

Inspect the timing chain for wear or stretching using the timing chain measurement tool.
Replace the timing chain, tensioner, and guides if any components are worn beyond specifications.
Install the new timing chain and align the timing marks on the crankshaft and camshaft.

6. Reassemble Engine Components

Reattach the timing chain cover with a new gasket, ensuring proper torque specifications are followed (typically around 10-12 Nm).
Reinstall the engine covers and secure them with the appropriate bolts.
Refill the engine with new oil, following the manufacturer's specifications.

7. Final Checks

Reconnect the negative battery terminal.
Start the engine and listen for any abnormal noises.
Double-check for leaks or issues around the timing chain area.