how to fix the transmission slipping issue in my Toyota Corolla E170 (2013-2019)?

Toyota Corolla E170 (2013-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

4 min read

608 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 transmission slipping issues in Toyota Corolla E170 (2013-2019). Step-by-step guide with tools and procedures.

Affected Component

Transmission

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 opening the transmission system.

Symptoms

•Engine revs without corresponding acceleration
•Delayed or harsh shifting between gears
•Check engine light illuminated
•Transmission fluid leak under the vehicle
•Unusual noises such as whining or grinding from the transmission
•Poor fuel economy

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any transmission-related faults.
2
Check the transmission fluid level and condition; look for burnt smell or dark coloration.
3
Inspect for any visible leaks in the transmission system.
4
Examine the transmission filter for clogs or debris.
5
Test the transmission solenoids for proper function.
6
Conduct a road test to replicate the slipping issue and determine under what conditions it occurs.

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
•Multimeter
•Funnel
•Drain pan

Parts Required

•Transmission fluid (ATF WS)
•Transmission filter
•Transmission pan gasket

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 identify any transmission-related faults.
2
Check the transmission fluid level and condition; look for burnt smell or dark coloration.
3
Inspect for any visible leaks in the transmission system.
4
Examine the transmission filter for clogs or debris.
5
Test the transmission solenoids for proper function.
6
Conduct a road test to replicate the slipping issue and determine under what conditions it occurs.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and the engine is turned off.
Disconnect the battery for safety.

2. Check and Replace Transmission Fluid

Tools Required: Funnel, Transmission fluid (ATF WS), Rags
Sub-steps:
1. Remove the transmission dipstick; wipe it clean and reinsert to check fluid level.
2. If the fluid is low, add the recommended ATF WS fluid through the dipstick tube using a funnel.
3. If the fluid is dirty or burnt, proceed to drain and replace.

3. Drain and Replace Transmission Fluid

Tools Required: Socket set, Drain pan, Torque wrench
Sub-steps:
1. Place a drain pan under the transmission pan.
2. Remove the transmission pan bolts using a socket set and carefully lower the pan to drain the fluid.
3. Remove the old filter and replace it with a new one.
4. Clean the transmission pan and replace the gasket.
5. Reinstall the pan and torque the bolts to the manufacturer's specifications.
6. Refill the transmission with new fluid through the dipstick tube.

4. Inspect and Replace Transmission Filter

Tools Required: Socket set, New transmission filter
Sub-steps:
1. Follow the previous steps to access the transmission filter.
2. Remove the old filter and install the new one, ensuring it is properly seated.

5. Test Transmission Solenoids

Tools Required: Multimeter
Sub-steps:
1. Locate the transmission solenoids (refer to the service manual for exact location).
2. Disconnect the solenoid electrical connector.
3. Use a multimeter to test for resistance; compare readings to manufacturer specifications.
4. Replace any faulty solenoids.

6. Reassemble and Test

Tools Required: Various hand tools
Sub-steps:
1. Reconnect battery terminals.
2. Start the engine and allow it to reach operating temperature.
3. Test drive the vehicle to ensure that the slipping issue is resolved.