my Ford Explorer shakes and shudders when I accelerate what could it be

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

4 min read

609 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 shaking 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 before working on components near the engine.

Symptoms

•Shaking or shuddering felt through the steering wheel and chassis
•Loss of acceleration power
•Engine vibrations that correlate with vehicle speed
•Possible noise during acceleration (e.g., clunking or grinding)
•Decreased fuel efficiency

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for any stored trouble codes.
2
Inspect the engine and transmission mounts for wear or damage.
3
Check the condition and balance of the tires, including checking for flat spots or uneven wear.
4
Inspect the driveshaft and CV joints for signs of damage or wear.
5
Test the transmission fluid level and condition; look for burnt smell or dark color.
6
Examine the ignition system components, including spark plugs and ignition coils, for proper function.

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
•Tire pressure gauge
•Fluid pump
•Jack and jack stands

Parts Required

•Engine mounts (if damaged)
•Transmission mounts (if damaged)
•Tires (if worn)
•CV joints or driveshaft (if damaged)
•Transmission fluid (as needed)

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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 and transmission mounts for wear or damage.
3
Check the condition and balance of the tires, including checking for flat spots or uneven wear.
4
Inspect the driveshaft and CV joints for signs of damage or wear.
5
Test the transmission fluid level and condition; look for burnt smell or dark color.
6
Examine the ignition system components, including spark plugs and ignition coils, for proper function.

Solution

1. Preparation

Gather all necessary tools and parts.
Ensure the vehicle is on a flat surface and securely lifted using jack stands.
Disconnect the battery to prevent any electrical issues during repair.

2. Inspect and Replace Engine and Transmission Mounts

Sub-steps:
- Locate the engine and transmission mounts.
- Use a socket set to remove the bolts securing the mounts.
- Inspect the mounts for cracks or deterioration; replace if necessary.
- Install new mounts, ensuring they are tightened to manufacturer specifications (typically 30-50 ft-lbs).
- Reconnect the battery.

3. Tire Inspection and Replacement

Sub-steps:
- Remove the wheel covers or hubcaps (if applicable).
- Check tire pressure and inflate to the manufacturer recommended PSI.
- Inspect tires for uneven wear; replace if tread is below 2/32 of an inch or if there are any visible damages.
- Balance the tires if they are unevenly worn or if new tires are installed.

4. Driveshaft and CV Joint Inspection

Sub-steps:
- Inspect the driveshaft for any visible damage or looseness by shaking it.
- Check the CV joints for any grease leakage or torn boots.
- Replace any damaged driveshaft or CV joint. Remove the retaining clips and bolts to remove the component, then install the new part.

5. Transmission Fluid Check and Change

Sub-steps:
- Locate the transmission dipstick or drain plug.
- Remove the dipstick and check the fluid level; add fluid if low.
- If the fluid is dark or smells burnt, drain the old fluid using a fluid pump or by removing the drain plug.
- Replace with new transmission fluid (refer to the owner’s manual for the correct type, typically Mercon V for Ford).
- Reinstall the dipstick or drain plug securely.