how to fix my Toyota Corolla E170 (2013-2019) transmission slipping when changing gears

Toyota Corolla E170 (2013-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

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

Affected Component

Transmission

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Allow the engine to cool down before starting any repairs.

Symptoms

•Transmission hesitates or delays when shifting gears
•Unusual engine revving without corresponding acceleration
•Slipping sensation when accelerating
•Check engine light illuminated
•Fluid leaks under the vehicle
•Transmission fluid appears burnt or has a foul smell

Diagnostic Steps

1
Check the transmission fluid level and condition using the dipstick.
2
Scan the vehicle’s onboard computer for any fault codes using an OBD-II scanner.
3
Inspect the transmission fluid for contamination or burning odor.
4
Examine the transmission filter for clogs or blockages.
5
Inspect the transmission linkage and cables for proper adjustment and wear.
6
Test the transmission solenoids for proper function using a multimeter.

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
•Screwdrivers
•Multimeter
•Wrench set
•Funnel

Parts Required

•Transmission fluid
•Transmission filter
•Gasket for transmission pan
•Transmission solenoids (if defective)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Check the transmission fluid level and condition using the dipstick.
2
Scan the vehicle’s onboard computer for any fault codes using an OBD-II scanner.
3
Inspect the transmission fluid for contamination or burning odor.
4
Examine the transmission filter for clogs or blockages.
5
Inspect the transmission linkage and cables for proper adjustment and wear.
6
Test the transmission solenoids for proper function using a multimeter.

Solution

1. Preparation

Ensure the vehicle is parked on a level surface and the engine is off.
Gather necessary tools and parts.
Disconnect the battery to ensure safety while working on electrical components.

2. Check and Replace Transmission Fluid

Tools Required: Socket set, funnel, transmission fluid.
Remove the drain plug using a socket set and allow old fluid to drain completely into a pan.
Replace the drain plug and tighten to manufacturer specifications.
Use a funnel to add new transmission fluid through the dipstick tube, ensuring the correct type (refer to owner's manual) and quantity as specified.

3. Replace Transmission Filter

Tools Required: Socket set, screwdrivers, new transmission filter, gasket.
Locate the transmission pan and remove it by unscrewing the bolts with a socket set.
Remove the old transmission filter and discard it.
Clean the transmission pan and the mating surfaces on the transmission.
Install the new filter and replace the pan with a new gasket, tightening bolts to manufacturer torque specifications.

4. Inspect and Adjust Transmission Linkage

Tools Required: Wrench set, pliers.
Visually inspect the transmission linkage for any signs of wear or misalignment.
Adjust the linkage as necessary to ensure it engages properly with the transmission.

5. Test Transmission Solenoids

Tools Required: Multimeter.
Remove the electrical connector from each solenoid.
Use a multimeter to measure the resistance of each solenoid; compare readings to manufacturer specifications.
Replace any faulty solenoids as necessary.