how do I fix my Ford Explorer transmission slipping when shifting

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

576 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 transmission slipping in Ford Explorer. Comprehensive guide with symptoms, diagnostic steps, tools, 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 opening the transmission pan to prevent burns.

Symptoms

•Engine RPM increases without corresponding vehicle acceleration
•Harsh or delayed shifting between gears
•Warning light illuminated on the dashboard (e.g., 'Check Transmission' light)
•Fluid leaks under the vehicle
•Unusual noises such as grinding or whining during shifting
•Burning smell from the transmission area

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any transmission-related faults.
2
Check transmission fluid level and condition; inspect for discoloration or burnt smell.
3
Inspect transmission linkage and cables for proper adjustment and wear.
4
Examine the transmission filter for clogs or contamination.
5
Test the battery and alternator to ensure proper voltage is being supplied to the transmission control module.
6
Road test the vehicle to replicate the slipping issue and note specific conditions under which it occurs.

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
•Transmission fluid pump
•Funnel
•Drain pan
•Socket set
•Wrench set
•Multimeter

Parts Required

•Transmission fluid
•Transmission filter
•Gasket for transmission pan (if applicable)

Related Faults

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Symptoms

•Engine RPM increases without corresponding vehicle acceleration

•Harsh or delayed shifting between gears

•Warning light illuminated on the dashboard (e.g., 'Check Transmission' light)

•Fluid leaks under the vehicle

•Unusual noises such as grinding or whining during shifting

•Burning smell from the transmission area

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any transmission-related faults.
2
Check transmission fluid level and condition; inspect for discoloration or burnt smell.
3
Inspect transmission linkage and cables for proper adjustment and wear.
4
Examine the transmission filter for clogs or contamination.
5
Test the battery and alternator to ensure proper voltage is being supplied to the transmission control module.
6
Road test the vehicle to replicate the slipping issue and note specific conditions under which it occurs.

Solution

1. Preparation

Gather tools and parts required for the repair.
Ensure the vehicle is parked on a level surface and the engine is off.
Safety warning: Disconnect the battery before working on electrical systems.

2. Check and Replace Transmission Fluid

Tools Required: Transmission fluid pump, funnel, drain pan, socket set.
Remove the transmission pan bolts using a socket wrench.
Carefully lower the pan and drain the old fluid into a drain pan.
Inspect the pan for metal shavings or debris that could indicate internal damage.
Replace the transmission filter if applicable, ensuring the new filter is seated correctly.
Reinstall the pan with a new gasket and torque bolts to manufacturer specifications (typically around 10-12 ft-lbs).
Refill with new transmission fluid as specified in the owner’s manual.

3. Inspect and Adjust Transmission Linkage

Tools Required: Wrench set, screwdriver.
Visually inspect the transmission linkage for wear or damage.
If adjustment is needed, locate the adjustment points (usually near the transmission).
Loosen the appropriate bolts and adjust the linkage according to specifications.
Retighten the bolts and verify correct operation by shifting through the gears.

4. Electrical Inspection

Tools Required: Multimeter.
Check the voltage at the transmission control module while the vehicle is running.
If voltage is low or fluctuating, inspect wiring harnesses for damage or corrosion.
Repair or replace damaged wiring or connectors as necessary.