why does my Honda Accord 10th Generation (2018-2022) have a rough transmission when shifting?

Honda Accord 8th Generation (2008-2012)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

547 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 rough transmission shifting in Honda Accord 10th Generation (2018-2022). Step-by-step guide with diagnostic procedures 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 before opening the transmission or working on related components.

Symptoms

•Jerking or lurching during gear changes
•Delayed or harsh engagement when shifting from Park to Drive or Reverse
•Unusual noise when shifting gears
•Fluctuation in engine RPM during acceleration
•Check Engine light illuminated (if applicable)

Diagnostic Steps

1
Scan the vehicle's computer for any error codes using an OBD-II scanner.
2
Check the transmission fluid level and condition (color and smell).
3
Inspect for any visible leaks around the transmission area.
4
Test the transmission solenoids and sensors for proper operation.
5
Verify the operation of the throttle position sensor (TPS).
6
Examine engine mounts for wear or damage, which can affect shifting.

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
•Wrench set
•Socket set
•Torque wrench
•Transmission fluid pump

Parts Required

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

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Scan the vehicle's computer for any error codes using an OBD-II scanner.
2
Check the transmission fluid level and condition (color and smell).
3
Inspect for any visible leaks around the transmission area.
4
Test the transmission solenoids and sensors for proper operation.
5
Verify the operation of the throttle position sensor (TPS).
6
Examine engine mounts for wear or damage, which can affect shifting.

Solution

1. Preparation

Gather necessary tools and parts.
Park the vehicle on a level surface and engage the parking brake.
Disconnect the battery to ensure safety while working on electrical components.

2. Check and Replace Transmission Fluid

Sub-steps:
1. Locate the transmission dipstick and remove it.
2. Check the fluid level and condition; it should be clean and reddish. If it's dark or smells burnt, it needs changing.
3. Use a wrench to remove the transmission drain plug and drain the old fluid into a pan.
4. Replace the drain plug and torque it to the manufacturer's specifications.
5. Add new transmission fluid (consult the owner’s manual for the correct type and quantity) through the dipstick tube.

3. Inspect and Replace Transmission Filter (if applicable)

Sub-steps:
1. Remove any undercarriage protection if present.
2. Locate the transmission filter and disconnect any fluid lines connected to it.
3. Remove the filter from the transmission housing.
4. Install the new filter ensuring a proper seal.
5. Reconnect the fluid lines and double-check for tightness.

4. Test and Replace Transmission Solenoids (if necessary)

Sub-steps:
1. Remove the transmission pan to access the solenoids.
2. Disconnect the electrical connectors from the solenoids.
3. Remove the faulty solenoids and install new ones.
4. Reassemble the transmission pan with a new gasket and torque bolts to the specified value.

5. Reset Transmission Adaptation (if applicable)

Sub-steps:
1. Reconnect the battery.
2. Use the OBD-II scanner to reset any transmission adaptation settings.
3. Perform a test drive to allow the transmission to relearn shift patterns.