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Home/Cars/Ford/F-150/13th Generation (2015-2020)/how to fix Ford F-150 13th Generation (2015-2020) hard shifting issues

how to fix Ford F-150 13th Generation (2015-2020) hard shifting issues

Ford F-150 13th Generation (2015-2020)

Severity: highDifficulty: medium2-4 hours
3 min read
546 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 hard shifting issues in Ford F-150 13th Generation (2015-2020). Step-by-step guide with symptoms, diagnostics, and repair instructions.

Component
Transmission
Repair Time
2-4 hours

Safety Warnings

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

Symptoms

  • •Noticeable jolt or harshness during gear shifts
  • •Delayed engagement when shifting from park to drive or reverse
  • •Unusual noises (clunking or grinding) during shifting
  • •Check engine light illuminated
  • •Increased RPMs before shifting occurs
  • •Transmission fluid leakage under the vehicle

Diagnostic Steps

  1. 1Scan the vehicle for error codes using an OBD-II scanner to identify any transmission-related codes.
  2. 2Check transmission fluid levels and condition; look for discoloration or burning smell.
  3. 3Inspect the transmission fluid for contamination or metal shavings.
  4. 4Examine the transmission control module (TCM) connections and wiring for damage or corrosion.
  5. 5Test the throttle position sensor (TPS) for proper voltage output and functionality.
  6. 6Assess the condition of the transmission mounts and linkage for wear or damage.

Solution

Solution

1. Preparation

  • Gather tools and parts: OBD-II scanner, socket set, fluid pump, transmission fluid, multimeter, wrenches, and a torque wrench.
  • Park the vehicle on a level surface and engage the parking brake.
  • Disconnect the battery to ensure safety.

2. Transmission Fluid Change

  1. Drain Fluid:
    • Use a socket set to remove the transmission pan bolts.
    • Carefully lower the pan to allow fluid to drain into a suitable container.
  2. Replace Filter:
    • Remove the old transmission filter and discard it.
    • Install the new filter, ensuring it is seated properly.
  3. Clean Pan:
    • Clean the transmission pan and magnet to remove any debris.
    • Inspect the pan for damage and replace if necessary.
  4. Reinstall Pan:
    • Apply a new gasket or sealant as recommended.
    • Reattach the transmission pan and torque the bolts to the manufacturer’s specifications.

3. Inspect and Repair Components

  1. Check TCM and Wiring:
    • Visually inspect the TCM connections. If damaged, repair or replace the wiring harness.
  2. Test TPS:
    • Use a multimeter to check the TPS voltage. Replace the sensor if readings are out of specification.
  3. Evaluate Transmission Mounts:
    • Inspect mounts for wear or cracks; replace if necessary.

4. Refill Transmission Fluid

  • Use a fluid pump to fill the transmission with the appropriate type and amount of fluid as specified in the owner’s manual.
  • Start the engine and cycle through the gears to distribute the fluid.

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 pump
  • Multimeter
  • Torque wrench
  • Wrenches

Parts Required

  • Transmission filter
  • Transmission fluid (specific to Ford specifications)
  • Gasket or sealant for transmission pan

Additional Information

Component

Transmission

Repair Time

2-4 hours

Difficulty

medium

Severity

high

Tools

6 items

Parts

3 items

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