how to fix Ford Explorer Fifth Generation (2011-2019) transmission fluid leak

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

554 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 fix a transmission fluid leak 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

•Allow the engine to cool before working on the transmission.
•Ensure the vehicle is securely lifted and supported before working underneath it.

Symptoms

•Transmission fluid puddles under the vehicle
•Slipping or erratic shifting during driving
•Warning light illuminated on the dashboard
•Unusual noises during gear changes
•Fluid smell or burning odor from the transmission area

Diagnostic Steps

1
Inspect the ground under the vehicle for signs of transmission fluid leakage.
2
Check the transmission fluid level using the dipstick; add fluid if low.
3
Examine the transmission pan for cracks or damage.
4
Inspect the transmission cooler lines for signs of wear or leaks.
5
Check the condition of the transmission pan gasket and seals.
6
Use a flashlight to visually inspect the transmission housing for fluid seepage.

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

•Drain pan
•Socket set
•Torque wrench
•Gasket scraper
•Funnel

Parts Required

•New transmission pan gasket
•Transmission fluid (Mercon LV)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Inspect the ground under the vehicle for signs of transmission fluid leakage.
2
Check the transmission fluid level using the dipstick; add fluid if low.
3
Examine the transmission pan for cracks or damage.
4
Inspect the transmission cooler lines for signs of wear or leaks.
5
Check the condition of the transmission pan gasket and seals.
6
Use a flashlight to visually inspect the transmission housing for fluid seepage.

Solution

1. Preparation

Gather all necessary tools and parts.
Ensure the vehicle is parked on a level surface and the engine is off.
Wear safety gloves and goggles for protection.

2. Drain Transmission Fluid

Tools Required: Drain pan, socket set, torque wrench
Remove the transmission pan bolts using a socket.
Carefully lower the transmission pan to drain the old fluid into the drain pan.
Clean the pan's mating surface with a suitable cleaner to remove old gasket material.

3. Replace Gasket and Seal

Tools Required: Gasket scraper, torque wrench
Remove the old gasket from the pan and the transmission housing using a gasket scraper.
Clean the area thoroughly to ensure a proper seal.
Apply a new gasket or sealant specifically designed for transmission applications.

4. Reinstall Transmission Pan

Position the cleaned transmission pan back onto the transmission housing.
Hand-tighten the pan bolts in a crisscross pattern to ensure even pressure.
Use a torque wrench to tighten the bolts to the manufacturer’s specified torque value (typically around 10-12 ft-lbs for most applications).

5. Refill Transmission Fluid

Tools Required: Funnel, new transmission fluid
Using a funnel, refill the transmission with the appropriate type and amount of transmission fluid as specified in the owner's manual (usually Mercon LV for Ford).
Check the fluid level with the dipstick, ensuring it is within the recommended range.