my Ford Explorer transmission is slipping when I shift gears what does this mean

Ford Explorer Fifth Generation (2011-2019)

Error Codes

4-8 hours

Time

hard

Difficulty

high

Severity

3 min read

529 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. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Transmission

Estimated Time

4-8 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.

Symptoms

•Slipping sensation during gear shifts
•Delayed engagement when shifting from park to drive
•Unusual noises (grinding or whining) during shifting
•Fluid leakage under the vehicle
•Overheating of the transmission
•Check engine light illuminated

Diagnostic Steps

1
Scan the vehicle's computer using an OBD-II scanner to check for any error codes related to the transmission.
2
Inspect the transmission fluid level and condition, checking for discoloration or burnt smell.
3
Examine the transmission for any visible leaks around seals and gaskets.
4
Test the vehicle's battery and charging system to ensure proper voltage is supplied to the transmission control module.
5
Check for any signs of mechanical failure in the transmission by performing a visual inspection of the external components.
6
Conduct a transmission pressure test to determine if the hydraulic pressure is within specifications.

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
•Transmission fluid funnel
•Jack stands
•Drain pan

Parts Required

•Transmission fluid
•Transmission filter
•Gasket for transmission pan

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Diagnostic Steps

1
Scan the vehicle's computer using an OBD-II scanner to check for any error codes related to the transmission.
2
Inspect the transmission fluid level and condition, checking for discoloration or burnt smell.
3
Examine the transmission for any visible leaks around seals and gaskets.
4
Test the vehicle's battery and charging system to ensure proper voltage is supplied to the transmission control module.
5
Check for any signs of mechanical failure in the transmission by performing a visual inspection of the external components.
6
Conduct a transmission pressure test to determine if the hydraulic pressure is within specifications.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the battery to ensure safety while working on the vehicle.
Raise the vehicle using jack stands and secure it on a level surface.

2. Check and Replace Transmission Fluid

Sub-steps:
1. Locate the transmission dipstick and remove it.
2. Check the fluid level: it should be within the marked range. If low, add the appropriate type of transmission fluid (consult the owner’s manual for specifications).
3. If the fluid is dark or has a burnt odor, proceed to drain and replace the fluid.
4. Remove the transmission pan bolts using a socket set and carefully lower the pan to avoid spillage.
5. Replace the transmission filter if applicable, ensuring proper alignment with the filter gasket.
6. Reinstall the transmission pan with a new gasket, tightening the bolts to the manufacturer’s specified torque.

3. Inspect and Repair Transmission Components

Sub-steps:
1. If slipping persists, remove the transmission from the vehicle for a more thorough inspection.
2. Inspect the clutch packs and bands for wear and tear. Replace if worn beyond specifications.
3. Check the valve body for any signs of blockage or failure. Clean or replace as necessary.
4. Reassemble the transmission, ensuring all components are installed correctly and securely.

4. Refill Transmission Fluid

Sub-steps:
1. Reconnect the transmission pan and ensure it is properly sealed.
2. Use a funnel to refill the transmission with the correct type and amount of fluid.
3. Start the engine and let it idle, shifting through each gear to allow the fluid to circulate.

5. Final Assembly and Testing

Sub-steps:
1. Reconnect the battery.
2. Lower the vehicle and take it for a test drive to verify the repair.
3. Monitor for any slipping or unusual behavior.

Tools Required:

OBD-II scanner
Socket set
Torque wrench
Transmission fluid funnel
Jack stands
Drain pan

Parts Required:

Transmission fluid
Transmission filter
Gasket for transmission pan

Estimated Repair Time: 4-8 hours

Safety Warnings:

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