my Honda Accord 9th Generation (2013-2017) transmission slips when accelerating

Honda Accord Eleventh Generation (2023-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

534 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 slippage in Honda Accord 2013-2017. 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 before working on the transmission.

Symptoms

•Transmission slips or hesitates when accelerating
•Engine RPMs increase without corresponding vehicle speed
•Harsh or delayed shifting between gears
•Warning light illuminated on the dashboard
•Unusual noises (grinding or whining) during gear changes

Diagnostic Steps

1
Check the transmission fluid level and condition using the dipstick.
2
Scan the vehicle for any diagnostic trouble codes (DTCs) using an OBD-II scanner.
3
Inspect the transmission fluid for contamination (burnt smell, dark color).
4
Examine the transmission filter for blockages or damage.
5
Check for any visible leaks around the transmission case or cooler lines.
6
Test the transmission solenoids for proper operation with 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
•Multimeter
•Funnel

Parts Required

•Transmission fluid (Honda ATF DW-1)
•Transmission filter (if applicable)
•Transmission solenoid(s) (if faulty)

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 for any diagnostic trouble codes (DTCs) using an OBD-II scanner.
3
Inspect the transmission fluid for contamination (burnt smell, dark color).
4
Examine the transmission filter for blockages or damage.
5
Check for any visible leaks around the transmission case or cooler lines.
6
Test the transmission solenoids for proper operation with a multimeter.

Solution

1. Preparation

Gather all 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 the electrical components.

2. Fluid Change

Tools Required: Socket set, funnel, new transmission fluid, new transmission filter (if applicable).
Sub-steps:
1. Remove the transmission drain plug using a socket set and drain the old transmission fluid into a container.
2. Replace the drain plug and torque it to the manufacturer’s specifications (typically around 30 lb-ft).
3. Remove the transmission fill plug and use a funnel to add new transmission fluid per the manufacturer's specifications (typically Honda ATF DW-1).
4. Start the engine and let it run for a few minutes, shifting through all gears to circulate the new fluid.

3. Solenoid Inspection and Replacement

Tools Required: Socket set, multimeter, possibly a torque wrench.
Sub-steps:
1. Remove the transmission pan (if applicable) by unbolting it and allowing any remaining fluid to drain.
2. Inspect the transmission solenoids for signs of wear or damage. Disconnect the electrical connectors and test each solenoid's resistance with a multimeter (specifications should be in the service manual).
3. Replace any faulty solenoids with new ones, ensuring all connections are secure.
4. Reinstall the transmission pan, applying a new gasket if necessary, and torque the bolts to manufacturer specifications.

4. Final Assembly

Reconnect the battery.
Check all fluid levels and ensure no leaks are present.