my Ford Explorer Fifth Generation (2011-2019) makes a grinding noise in reverse

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

543 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 grinding noise in reverse for 2011-2019 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.
•Ensure the vehicle is securely lifted and supported on jack stands before working underneath.

Symptoms

•Grinding noise when the vehicle is in reverse
•Possible vibrations felt through the floorboard
•Difficulty engaging reverse gear
•Unusual noises during shifting between gears
•Fluid leaks under the vehicle

Diagnostic Steps

1
Inspect the transmission fluid level and condition; ensure it is at the proper level and check for contamination.
2
Scan for any error codes using an OBD-II scanner to identify potential electronic transmission issues.
3
Visually inspect the transmission mount and drivetrain components for wear or damage.
4
Check the condition of the rear differential fluid; ensure it is not low or contaminated.
5
Conduct a road test to isolate the noise and determine if it occurs only in reverse or during other maneuvers as well.

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
•Hydraulic jack and jack stands
•Drain pan

Parts Required

•Transmission fluid (Mercon LV)
•Transmission filter (if applicable)
•Gasket for transmission pan
•U-joints (if necessary)
•Rear differential fluid (if applicable)

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Diagnostic Steps

1
Inspect the transmission fluid level and condition; ensure it is at the proper level and check for contamination.
2
Scan for any error codes using an OBD-II scanner to identify potential electronic transmission issues.
3
Visually inspect the transmission mount and drivetrain components for wear or damage.
4
Check the condition of the rear differential fluid; ensure it is not low or contaminated.
5
Conduct a road test to isolate the noise and determine if it occurs only in reverse or during other maneuvers as well.

Solution

1. Preparation

Gather 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 on electrical components.

2. Inspect and Replace Transmission Fluid

Sub-steps:
1. Place a drain pan under the transmission pan.
2. Remove the transmission pan bolts using a socket set and carefully lower the pan to drain old fluid.
3. Inspect the pan for metal shavings or debris; clean the pan thoroughly.
4. Replace the transmission filter if necessary.
5. Reinstall the pan with a new gasket and torque the bolts to the manufacturer's specifications (typically 8-10 ft-lbs).
6. Refill the transmission with the appropriate fluid type (Mercon LV) through the dipstick tube.

3. Inspect Drivetrain Components

Sub-steps:
1. Lift the vehicle using a hydraulic jack and secure it on jack stands.
2. Inspect the U-joints on the driveshaft for play or damage; replace if necessary.
3. Check the rear differential for any signs of wear; replace the fluid if it appears dirty or low.
4. Inspect the transmission mount for cracks or excessive wear; replace if damaged.

4. Test Drive

Sub-steps:
1. Reconnect the negative battery terminal.
2. Start the vehicle and conduct a test drive, paying close attention to the reverse operation.
3. Monitor for any abnormal noises during the drive.