how to fix the timing chain issue 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

579 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 issues 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 the battery before working on electrical components.
•Allow the engine to cool completely before starting work on the timing chain and related components.

Symptoms

•Engine rattling noise, especially at startup or acceleration
•Check engine light illuminated
•Rough idling or misfiring
•Loss of power during acceleration
•Oil leaks around the timing cover area

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for any timing-related error codes.
2
Inspect the timing chain visually for signs of wear, such as elongation or damage.
3
Check the tensioner for proper function and ensure it maintains adequate tension on the chain.
4
Measure the oil pressure to ensure the timing chain tensioner is receiving sufficient oil.
5
Inspect the timing cover for oil leaks, which could indicate a failing seal or gasket.

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
•Oil catch pan
•Timing chain tool kit (if available)
•Screwdrivers

Parts Required

•New timing chain
•Timing chain tensioner
•Timing cover gasket
•Engine oil
•Oil filter

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for any timing-related error codes.
2
Inspect the timing chain visually for signs of wear, such as elongation or damage.
3
Check the tensioner for proper function and ensure it maintains adequate tension on the chain.
4
Measure the oil pressure to ensure the timing chain tensioner is receiving sufficient oil.
5
Inspect the timing cover for oil leaks, which could indicate a failing seal or gasket.

Solution

1. Preparation

Tools Required: Socket set, torque wrench, OBD-II scanner, oil catch pan, timing chain tool kit (if available), screwdrivers, and a shop manual for specific torque specs.
Disconnect the negative battery terminal to prevent electrical shorts.

2. Remove Components

Sub-steps:
1. Remove the engine cover by unscrewing the bolts and gently lifting it off.
2. Drain the engine oil using an oil catch pan and replace the oil filter if necessary.
3. Remove the front engine mount and any accessory components obstructing access to the timing cover (e.g., serpentine belt, water pump).

3. Access the Timing Chain

Sub-steps:
1. Remove the timing cover bolts and gently pry off the timing cover using a plastic scraper to avoid damage.
2. Remove the old timing chain and tensioner. Take note of the orientation and positioning for reinstallation.

4. Install New Timing Chain and Components

Sub-steps:
1. Install the new timing chain ensuring it is aligned with the timing marks on the camshaft and crankshaft.
2. Install the new tensioner and ensure it engages properly with the chain.
3. Reinstall the timing cover with a new gasket, ensuring a proper seal and torqueing to the manufacturer's specifications.

5. Reassemble and Test

Sub-steps:
1. Reinstall all components previously removed, including the engine mount and accessory components.
2. Fill the engine with new oil and replace the oil filter.
3. Reconnect the negative battery terminal and start the engine.
4. Check for unusual noises and proper operation of the timing chain mechanism.