Honda Accord 8th Generation (2008-2012) transmission jerks when shifting what could it be

Honda Accord 8th Generation (2008-2012)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

505 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 jerking in Honda Accord 2008-2012. 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 components.
•Allow the engine to cool before working on the transmission system to prevent burns.

Symptoms

•Jerking or harsh shifting during acceleration
•Delay or hesitation when shifting gears
•Unusual noises during gear changes (clunking or grinding)
•Check engine light illuminated
•Fluid leaks under the vehicle
•Poor fuel economy

Diagnostic Steps

1
Scan the vehicle's On-Board Diagnostics (OBD-II) system for any stored error codes.
2
Inspect the transmission fluid level and condition; check for contamination or burning smell.
3
Examine the transmission filter for clogs or obstructions.
4
Check for any visible leaks around the transmission housing and cooler lines.
5
Test the throttle position sensor (TPS) for proper operation using a multimeter.
6
Inspect the engine and transmission mounts for wear or damage.

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
•Drain pan

Parts Required

•Honda ATF-Z1 or DW-1 transmission fluid
•Transmission filter
•Transmission pan gasket
•Throttle position sensor (if applicable)
•Engine and transmission mounts (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 On-Board Diagnostics (OBD-II) system for any stored error codes.
2
Inspect the transmission fluid level and condition; check for contamination or burning smell.
3
Examine the transmission filter for clogs or obstructions.
4
Check for any visible leaks around the transmission housing and cooler lines.
5
Test the throttle position sensor (TPS) for proper operation using a multimeter.
6
Inspect the engine and transmission mounts for wear or damage.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and the engine is cool.
Disconnect the battery to prevent electrical shorts.

2. Check and Replace Transmission Fluid

Sub-steps:
1. Remove the transmission fluid dipstick and check the level.
2. If the fluid is low, add the recommended type of transmission fluid (Honda ATF-Z1 or DW-1).
3. If fluid is dirty or burnt, drain the transmission fluid using a drain pan.
4. Replace the transmission filter if necessary by removing the transmission pan.
5. Reinstall the pan with a new gasket and tighten bolts to the manufacturer's torque specification (typically around 10-12 ft-lbs).
6. Refill the transmission with the appropriate fluid.

3. Inspect and Replace Throttle Position Sensor (if necessary)

Sub-steps:
1. Locate the TPS on the throttle body.
2. Disconnect the electrical connector and remove screws securing the TPS.
3. Install the new TPS and secure it with screws, ensuring it is aligned correctly.
4. Reconnect the electrical connector.

4. Check Engine and Transmission Mounts

Sub-steps:
1. Visually inspect the engine and transmission mounts for any cracks or signs of wear.
2. If damaged, unbolt and remove the affected mount(s).
3. Install new mounts, ensuring they are torqued to the manufacturer’s specifications.