why does my Toyota Camry Seventh Generation (2012-2017) transmission jerk when shifting gears

Toyota Camry Seventh Generation (2012-2017)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

4 min read

637 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 issues in Toyota Camry (2012-2017). Step-by-step guide with symptoms, diagnostics, 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.

Symptoms

•Jerking or harsh shifting between gears
•Delayed engagement when shifting from park to drive or reverse
•Check engine light illuminated
•Unusual noises during shifting (clunking or grinding)
•Decreased fuel efficiency
•Fluid leaks under the vehicle

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any transmission-related fault codes.
2
Check the transmission fluid level and condition (color and smell) to ensure it is at the appropriate level and not burnt.
3
Inspect the transmission fluid for contaminants or debris.
4
Examine the transmission mounts for signs of wear or damage.
5
Test the throttle position sensor (TPS) for proper operation and voltage output.
6
Conduct a road test to replicate the jerking issue under various driving conditions.

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
•Fluid catch pan
•Funnel
•Socket set
•Torque wrench
•Multimeter

Parts Required

•Transmission fluid
•Transmission filter
•Transmission mounts (if necessary)
•Throttle position sensor (if necessary)

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 fault codes.
2
Check the transmission fluid level and condition (color and smell) to ensure it is at the appropriate level and not burnt.
3
Inspect the transmission fluid for contaminants or debris.
4
Examine the transmission mounts for signs of wear or damage.
5
Test the throttle position sensor (TPS) for proper operation and voltage output.
6
Conduct a road test to replicate the jerking issue under various driving conditions.

Solution

1. Preparation

Tools Required: OBD-II scanner, fluid catch pan, funnel, socket set, torque wrench, multimeter, transmission fluid.
Ensure the vehicle is on a level surface and the engine is off before beginning work.
Disconnect the battery to avoid electrical shorts during repairs.

2. Check and Replace Transmission Fluid

Locate the Transmission Dipstick:
- Remove the transmission dipstick from the tube.
Check Fluid Level:
- Insert the dipstick back into the tube and remove it again. Ensure fluid is at the correct level.
Inspect Fluid Condition:
- If the fluid appears dark or has a burnt smell, it needs to be replaced.
Drain Old Fluid:
- Place a fluid catch pan under the transmission pan and remove the pan bolts. Allow old fluid to drain completely.
Replace Filter:
- Remove the transmission filter and replace it with a new one, ensuring the O-ring is properly seated.
Refill with New Fluid:
- Reinstall the pan, torque bolts to manufacturer specifications (usually around 10-12 ft-lbs), and use a funnel to refill with the appropriate type of transmission fluid.
- Start the engine and allow it to run for a few minutes; check fluid level again and adjust as necessary.

3. Inspect and Replace Transmission Mounts

Visual Inspection:
- Check transmission mounts for cracks or excessive wear.
Remove and Replace:
- If damaged, use a socket set to remove the bolts securing the mounts and replace them with new OEM mounts.
Torque Specifications:
- Tighten to the manufacturer’s recommended torque values.

4. Test and Adjust Throttle Position Sensor

Locate the TPS:
- Find the TPS on the throttle body.
Test Voltage:
- Use a multimeter to check the voltage output while moving the throttle. It should have a smooth increase without drops.
Replace if Necessary:
- If readings are outside of specifications, remove the old TPS and install a new one.