FAULTBASE
NEWSASKCars
© 2025 FAULTBASE
All rights reserved.
v2.0.0 • Production
ContactPrivacyImpressum
Home/Cars/Ford/Explorer/Fifth Generation (2011-2019)/why does my Ford Explorer's transmission slip when accelerating

why does my Ford Explorer's transmission slip when accelerating

Ford Explorer Fifth Generation (2011-2019)

Severity: highDifficulty: medium2-4 hours
3 min read
559 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 slippage in Ford Explorer. Step-by-step guide with diagnostic procedures and repair instructions.

Component
Transmission
Repair Time
2-4 hours

Safety Warnings

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

Symptoms

  • •Engine RPM increases without corresponding vehicle speed increase
  • •Delayed or harsh shifting between gears
  • •Unusual noises (such as whining or grinding) when accelerating
  • •Check engine light illuminated on the dashboard
  • •Fluid leaks under the vehicle

Diagnostic Steps

  1. 1Scan for error codes using an OBD-II scanner to identify any transmission-related issues.
  2. 2Check transmission fluid level and condition; look for signs of contamination or burning.
  3. 3Inspect the transmission for external leaks or damage to seals and gaskets.
  4. 4Evaluate the condition of the transmission filter and replace if it appears clogged or dirty.
  5. 5Test the throttle position sensor (TPS) and mass airflow sensor (MAF) for proper operation.
  6. 6Examine the wiring and connectors related to the transmission control module (TCM) for corrosion or damage.

Solution

Solution

1. Preparation

  • Gather tools and materials:
    • Tools: OBD-II scanner, socket set, fluid catch pan, funnel, torque wrench, multimeter.
    • Parts: New transmission fluid, transmission filter kit, new seals.
  • Ensure the vehicle is parked on a level surface and the engine is off.
  • Allow the engine to cool if it has been running.

2. Change Transmission Fluid

  1. Drain Fluid:
    • Locate the transmission pan and remove the bolts using a socket set.
    • Position a fluid catch pan under the pan and slowly remove it to let the old fluid drain completely.
  2. Replace Filter:
    • Remove the old transmission filter from the valve body.
    • Install the new filter, ensuring it is seated properly.
  3. Clean Pan:
    • Clean the transmission pan thoroughly to remove any debris or sludge.
    • Inspect the magnet in the pan for metal shavings and clean if necessary.
  4. Reassemble:
    • Install a new gasket on the transmission pan.
    • Reattach the transmission pan and torque the bolts to manufacturer specifications (typically around 10-12 ft-lbs).
  5. Refill Fluid:
    • Use a funnel to fill the transmission with the appropriate type of new fluid (check the owner’s manual for specifications).
    • Start the engine and cycle through the gears to allow the fluid to circulate.

3. Test Drive

  1. Check Fluid Level:
    • After the test drive, check the transmission fluid level again and top off as needed.
  2. Monitor Performance:
    • During the test drive, pay attention to shifting quality and any noises from the transmission.

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
  • Fluid catch pan
  • Funnel
  • Torque wrench
  • Multimeter

Parts Required

  • New transmission fluid
  • Transmission filter kit
  • New seals

Additional Information

Component

Transmission

Repair Time

2-4 hours

Difficulty

medium

Severity

high

Tools

6 items

Parts

3 items

Related Faults

Discover similar issues

  1. why is my Ford Explorer making a grinding noise when turning?

    Learn how to diagnose and fix grinding noise when turning in Ford Explorer. Step-by-step guide with diagnostic procedures and repair instructions.

    Component:Steering
    Symptoms
    • •Grinding noise only when turning the steering wheel
    • •Difficulty in steering or a feeling of resistance
    • +{count} more
  2. my Ford Explorer makes a loud noise when I accelerate what could be wrong

    Learn how to diagnose and fix loud noise during acceleration in Ford Explorer. Step-by-step guide with diagnostic procedures and repair instructions.

    Component:Exhaust System
    Symptoms
    • •Loud noise or rumbling sound when accelerating
    • •Vibration felt through the vehicle during acceleration
    • +{count} more
  3. why does my Ford Explorer ABS light stay on after I start the engine

    Learn how to diagnose and fix the ABS light issue on your Ford Explorer. Step-by-step guide with diagnostic procedures and repair instructions.

    Component:Brakes
    Symptoms
    • •ABS warning light illuminated on the dashboard
    • •Possible loss of ABS functionality during braking
    • +{count} more
  4. my Ford Explorer makes a hissing noise when I accelerate what does it mean

    Learn how to diagnose and fix the hissing noise during acceleration in Ford Explorer. Step-by-step guide with diagnostic procedures and repair instruc...

    Component:Engine
    Symptoms
    • •Hissing noise during acceleration
    • •Decreased engine performance
    • +{count} more
  5. how to troubleshoot Ford Explorer Fifth Generation (2011-2019) electrical issues

    Learn to troubleshoot electrical issues in Ford Explorer (2011-2019). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

    Component:Electrical
    Symptoms
    • •Interior lights flickering or not functioning
    • •Power windows failing to operate
    • +{count} more
  6. my Ford Explorer ABS light is on and the traction control is disabled what should I do

    Learn how to diagnose and fix ABS light and traction control issues in Ford Explorer. Step-by-step guide with diagnostic procedures and repair instruc...

    Component:Brakes
    Symptoms
    • •ABS warning light illuminated on the dashboard
    • •Traction control system disabled
    • +{count} more

Share this solution

Comments

Sign in to share your thoughts

Sign In

No comments yet

Be the first to share your thoughts

Back to Generation