why is my Ford Explorer shuddering when I accelerate

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

539 words

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 systems.
•Allow the engine to cool down before inspecting or working on any components.

Symptoms

•Shuddering or vibration felt through the vehicle during acceleration
•Possible loss of power when accelerating
•Engine RPM fluctuations
•Unusual noises from the engine or transmission
•Check engine light may illuminate

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for any stored trouble codes.
2
Inspect the engine mount for wear or damage, as this can cause vibrations.
3
Check the transmission fluid level and condition; low or dirty fluid can affect performance.
4
Test drive the vehicle to replicate the shuddering and observe the conditions under which it occurs.
5
Inspect the driveshaft and CV joints for signs of wear or damage.
6
Examine the spark plugs and ignition system for misfires that could cause engine shuddering.

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
•Transmission fluid dipstick or funnel
•Spark plug socket

Parts Required

•Engine mounts (if worn)
•Transmission fluid (if low)
•Spark plugs (if worn)

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 the engine mount for wear or damage, as this can cause vibrations.
3
Check the transmission fluid level and condition; low or dirty fluid can affect performance.
4
Test drive the vehicle to replicate the shuddering and observe the conditions under which it occurs.
5
Inspect the driveshaft and CV joints for signs of wear or damage.
6
Examine the spark plugs and ignition system for misfires that could cause engine shuddering.

Solution

1. Preparation

Gather necessary tools and parts.
Park the vehicle on a level surface and engage the parking brake.
Disconnect the negative battery terminal to ensure safety while working.

2. Engine Mount Inspection

Tools Required: Socket set, torque wrench
Remove the engine cover if necessary to access engine mounts.
Inspect each engine mount visually for cracks or signs of wear.
Use a torque wrench to check the mounting bolts for proper torque specifications, re-tightening if necessary.

3. Transmission Fluid Inspection

Tools Required: Transmission fluid dipstick or funnel and transmission fluid.
Locate and remove the transmission dipstick.
Check the fluid level; it should be within the marked range.
If low, add the appropriate type of transmission fluid as specified in the owner's manual.

4. Driveshaft and CV Joint Inspection

Tools Required: Jack and jack stands, socket set
Safely lift the vehicle using a jack and secure it with jack stands.
Inspect the driveshaft for any signs of damage or excessive play.
Check the CV joints for torn boots or grease leakage. Replace if necessary.

5. Spark Plug and Ignition System Maintenance

Tools Required: Spark plug socket, torque wrench
Remove the spark plugs and inspect them for wear or fouling.
Replace any worn or damaged spark plugs with new ones, ensuring they are gapped correctly.
Check ignition coils for functionality; replace if misfires are detected.