my Ford Explorer Fifth Generation (2011-2019) transmission is slipping, what should I do?

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

556 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 slipping transmission issues 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

•Disconnect the battery before working on electrical systems.
•Allow the engine and transmission to cool before opening the transmission pan.

Symptoms

•Slipping gears during acceleration
•Delayed or harsh shifting between gears
•Unusual RPM fluctuations
•Warning lights illuminated on the dashboard (e.g., check engine light)
•Fluid leaks under the vehicle
•Burning smell from the transmission area

Diagnostic Steps

1
Check the transmission fluid level and condition using the dipstick.
2
Scan the vehicle's computer for any error codes using an OBD-II scanner.
3
Inspect for any visible leaks around the transmission seals and pan.
4
Test the transmission fluid for contamination (burnt smell, dark color).
5
Assess the condition of the transmission filter if accessible.
6
Perform a road test to replicate slipping symptoms and note conditions (e.g., speed, load).

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
•Transmission fluid pump
•Clean rags
•Funnel
•Jack and jack stands

Parts Required

•Transmission fluid
•Transmission filter (if applicable)
•Transmission pan gasket

Related Faults

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Diagnostic Steps

1
Check the transmission fluid level and condition using the dipstick.
2
Scan the vehicle's computer for any error codes using an OBD-II scanner.
3
Inspect for any visible leaks around the transmission seals and pan.
4
Test the transmission fluid for contamination (burnt smell, dark color).
5
Assess the condition of the transmission filter if accessible.
6
Perform a road test to replicate slipping symptoms and note conditions (e.g., speed, load).

Solution

1. Preparation

Tools Required: OBD-II scanner, socket set, transmission fluid pump, clean rags, funnel, jack and jack stands.
Ensure the vehicle is parked on a level surface and the ignition is off.
Disconnect the battery negative terminal for safety.

2. Check and Replace Transmission Fluid

Sub-steps:
1. Raise the vehicle using a jack and secure it with jack stands.
2. Locate the transmission dipstick and remove it to check the fluid level.
3. If fluid is low or discolored, drain the old fluid:
  - Place a drain pan under the transmission pan.
  - Remove the transmission pan bolts using the socket set.
  - Carefully lower the pan and allow old fluid to drain completely.
4. Replace the transmission filter (if applicable):
  - Remove the old filter and replace it with a new one, ensuring it snaps into place.
5. Clean the transmission pan and magnet, removing any debris.
6. Reinstall the transmission pan with a new gasket, tightening bolts to the manufacturer's torque spec (usually around 10-12 ft-lbs).
7. Fill the transmission with new fluid through the dipstick tube using a funnel (consult owner’s manual for fluid type and capacity).

3. Electronic System Check

Sub-steps:
1. Reconnect the battery terminal.
2. Use the OBD-II scanner to check for any transmission-related fault codes.
3. Clear any error codes and take the vehicle for a short drive to see if any codes reappear.
4. Monitor the shifting behavior; if issues persist, further diagnostics may be needed.