what are the symptoms of a failing transmission in my Toyota RAV4 XA40 (2013-2018)

Solution

1. Preparation

• Gather tools and parts needed for the repair.
• Ensure the vehicle is parked on a flat surface and the engine is cool.
• Disconnect the battery to prevent any electrical issues during the repair.

2. Fluid Change

1. Raise the Vehicle: Use a jack to lift the vehicle and secure it with jack stands.
2. Drain the Old Fluid:
   • Place a drain pan under the transmission pan.
   • Remove the transmission pan bolts using a socket set.
   • Carefully lower the pan and allow the fluid to drain completely.
3. Replace Transmission Filter (if applicable):
   • Remove the old filter from the transmission.
   • Install a new filter according to the manufacturer's specifications.
4. Clean the Pan:
   • Clean the transmission pan thoroughly to remove metal shavings or debris.
   • Replace the gasket or apply RTV sealant as needed.
5. Reinstall the Pan:
   • Position the pan back on the transmission and torque the bolts to the manufacturer’s specifications.
6. Refill with New Fluid:
   • Use the correct type of transmission fluid specified in the owner’s manual.
   • Pour the new fluid into the transmission dipstick tube using a funnel.

3. Electrical Component Inspection

1. Inspect the Transmission Control Module:
   • Check connections and ensure they are secure and free of corrosion.
   • Replace any damaged wiring or connectors.
2. Clear Error Codes:
   • Use the OBD-II scanner to clear any error codes after repairs are completed.

4. Test Drive

• Perform a test drive to ensure the vehicle shifts smoothly and there are no unusual noises or issues.