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my Toyota Highlander won't shift into gear what should I check - Toyota Highlander
Home/Cars/Toyota/Highlander/Third Generation (2014-2019)/my Toyota Highlander won't shift into gear what should I check

my Toyota Highlander won't shift into gear what should I check

Toyota Highlander Third Generation (2014-2019)

Error Codes
2-4 hours
Time
medium
Difficulty
high
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
470 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 issues in Toyota Highlander. 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 to cool before opening the transmission or working on it.

Symptoms

  • •Transmission warning light illuminated on the dashboard
  • •Engine revs without acceleration (slipping)
  • •Difficulty engaging gears (manual or automatic)
  • •Unusual noises when attempting to shift
  • •Fluid leaks under the vehicle
  • •Burnt smell coming from the transmission area

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6

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
  • •Socket set
  • •Torque wrench
  • •Multimeter
  • •Screwdrivers

Parts Required

  • •Transmission filter (if applicable)
  • •Transmission pan gasket (if applicable)
  • •Brake pedal switch (if faulty)

Additional Information

Affected Component
Transmission
Estimated Time
2-4 hours
Difficulty
medium
Severity
high
Tools Required
6 items
Parts Required
3 items

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Solution
1. Preparation
  • Gather tools and parts required for the repair.
  • Ensure the vehicle is parked on a level surface and the engine is cool.
2. Check and Replace Transmission Fluid
  1. Locate the Transmission Dipstick (if applicable):
    • Remove the dipstick and wipe it clean.
  2. Check Fluid Level:
    • Insert the dipstick back into the tube and remove it again to check the fluid level.
    • If low, add the correct type of transmission fluid as per the owner's manual.
  3. Fluid Condition:
    • If the fluid is dark or has a burnt smell, consider a full transmission fluid change.
3. Inspect and Replace Transmission Filter (if applicable)
  1. Access the Transmission:
    • Raise the vehicle securely on jack stands.
    • Remove the transmission pan bolts and carefully lower the pan to catch any fluid.
  2. Remove and Replace Filter:
    • Remove the old transmission filter (if applicable) and install a new one.
    • Clean the pan and replace the gasket.
4. Inspect Transmission Linkage
  1. Visual Inspection:
    • Examine the linkage for any signs of wear or detachment.
    • Adjust or replace any damaged components as necessary.
5. Test Brake Pedal Switch
  1. Locate the Brake Pedal Switch:
    • Inspect the electrical connections and wiring for damage.
    • Use a multimeter to test the switch for continuity when the brake pedal is pressed.
  2. Replace if Faulty:
    • If the switch is not functioning correctly, replace it.

Tools Required:

  • OBD-II scanner
  • Transmission fluid
  • Socket set
  • Torque wrench
  • Multimeter
  • Screwdrivers

Parts Required:

  • Transmission filter (if applicable)
  • Transmission pan gasket (if applicable)
  • Brake pedal switch (if faulty)

Estimated Repair Time: 2-4 hours

Safety Warnings:

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