why is my Ford Explorer shuddering when accelerating

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

530 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 shuddering during acceleration in Ford Explorer. 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 components.
•Allow the engine to cool before inspecting or working on the transmission system.

Symptoms

•Shuddering or shaking felt through the steering wheel and chassis during acceleration
•Loss of power or hesitation when pressing the accelerator
•Unusual noise from the engine or transmission
•Check engine light illuminated
•Poor fuel economy

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for any stored trouble codes.
2
Inspect engine mounts for wear or damage that could cause excessive movement.
3
Check transmission fluid level and condition; look for signs of contamination or burnt fluid.
4
Examine the driveshaft and CV joints for any damage or excessive play.
5
Perform a throttle body cleaning if carbon buildup is suspected.
6
Test the ignition system components (spark plugs, coils) for faults.

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
•Jack and jack stands
•Screwdrivers

Parts Required

•Engine mounts
•Transmission fluid
•Transmission filter and gasket

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for any stored trouble codes.
2
Inspect engine mounts for wear or damage that could cause excessive movement.
3
Check transmission fluid level and condition; look for signs of contamination or burnt fluid.
4
Examine the driveshaft and CV joints for any damage or excessive play.
5
Perform a throttle body cleaning if carbon buildup is suspected.
6
Test the ignition system components (spark plugs, coils) for faults.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and the engine is off.
Disconnect the battery to ensure safety while working.

2. Inspect and Replace Engine Mounts

Sub-steps:
- Locate the engine mounts (typically found between the engine and the vehicle's frame).
- Use a socket set to remove the bolts securing the mounts.
- Lift the engine slightly using a jack with a block of wood to relieve tension on the mounts.
- Remove the old mounts and replace them with new ones.
- Torque the new mounts to manufacturer specifications (refer to repair manual).

3. Transmission Fluid Check and Replacement

Sub-steps:
- Locate the transmission dipstick and check fluid level.
- If the fluid is low, add the correct type of transmission fluid (refer to owner's manual for specifications).
- If the fluid is dirty or burnt, follow the fluid change procedure:
  - Remove the transmission pan (if applicable) using a socket set.
  - Replace the transmission filter and gasket.
  - Reinstall the pan and refill with new fluid to the correct level.

4. Inspect Driveshaft and CV Joints

Sub-steps:
- Raise the vehicle using a jack and secure it with jack stands.
- Inspect the driveshaft for any signs of damage, such as dents or cracks.
- Check the CV joints for any tears in the boots or excessive play.
- Replace any damaged components using appropriate tools.