why does my Ford Explorer Fifth Generation (2011-2019) transmission shudder when accelerating

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

559 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 shudder in Ford Explorer (2011-2019). 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 before working on the transmission.

Symptoms

•Transmission shudder or vibration during acceleration
•Delayed or harsh shifting between gears
•Check engine light illuminated
•Loss of power during acceleration
•Unusual noises from the transmission area

Diagnostic Steps

1
Scan the vehicle's onboard computer with an OBD-II scanner to check for any stored error codes.
2
Inspect the transmission fluid level and condition; look for signs of contamination or low fluid.
3
Check for any visible leaks around the transmission and related components.
4
Test the transmission control module (TCM) for proper operation using a multimeter.
5
Road test the vehicle to replicate the shuddering issue and note the conditions under which it occurs.

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
•Drain pan
•Screwdriver set
•Multimeter

Parts Required

•Transmission fluid (as specified in the owner’s manual)
•Transmission filter (if applicable)
•Gasket for transmission pan
•Transmission mount (if needed)

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Diagnostic Steps

1
Scan the vehicle's onboard computer with an OBD-II scanner to check for any stored error codes.
2
Inspect the transmission fluid level and condition; look for signs of contamination or low fluid.
3
Check for any visible leaks around the transmission and related components.
4
Test the transmission control module (TCM) for proper operation using a multimeter.
5
Road test the vehicle to replicate the shuddering issue and note the conditions under which it occurs.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a flat surface and the engine is turned off.
Disconnect the battery to prevent electrical shorts during repairs.

2. Check and Replace Transmission Fluid

Inspect Fluid Level:
- Locate the transmission dipstick (if applicable) and remove it.
- Wipe clean, reinsert, and pull out again to check the fluid level.
Change Fluid:
- If low, drain the existing transmission fluid using a drain pan.
- Replace the filter (if applicable) by removing the pan bolts and lowering the pan.
- Install a new filter and gasket.
- Refill with the appropriate type and amount of transmission fluid (consult the owner’s manual for specifications).

3. Inspect and Repair Transmission Mounts

Remove Transmission Mount Bolts:
- Raise the vehicle and secure it on jack stands.
- Locate the transmission mount and remove the bolts securing it to the transmission.
Check for Damage:
- Inspect the mount for cracks or separation.
Replace if Necessary:
- Install a new mount if damaged, ensuring all bolts are torqued to the manufacturer’s specifications.

4. Update TCM Software

Connect OBD-II Scanner:
- Reconnect the battery and plug in the OBD-II scanner.
Check for Software Updates:
- Access the TCM settings and check for any available software updates.
Install Updates:
- Follow the prompts to update the TCM software if necessary.