how to fix my Genesis G70’s automatic transmission not shifting correctly?

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the battery to prevent electrical shorts.
• Ensure the vehicle is parked on a level surface.

2. Fluid Change

1. Drain the Transmission Fluid:

   • Remove the transmission pan bolts using a socket set.
   • Carefully lower the pan to avoid spilling fluid. Allow the fluid to drain completely.

2. Replace Transmission Filter:

   • Remove the old filter from the transmission.
   • Clean the filter mounting surface.
   • Install the new transmission filter, ensuring it seats properly.

3. Install New Gasket:

   • Clean the transmission pan and remove any old gasket material.
   • Place a new gasket on the pan.

4. Reinstall the Transmission Pan:

   • Position the transmission pan and replace the bolts, tightening them to the manufacturer’s torque specifications (usually around 8-10 Nm).

5. Add New Transmission Fluid:

   • Use the manufacturer-recommended transmission fluid (consult the owner’s manual).
   • Fill through the dipstick tube until the proper level is reached (check while the engine is running).

3. Inspect and Replace Solenoids (if necessary)

1. Remove the Transmission Pan Again:

   • Follow the steps outlined in Fluid Change to access the solenoids.

2. Inspect Solenoids:

   • Check for any signs of damage or malfunction.
   • Test each solenoid using a multimeter according to the specifications in the service manual.

3. Replace Faulty Solenoids:

   • Disconnect the wiring harness from the solenoid.
   • Remove the old solenoid and install the new one, reconnecting the harness.

4. Reconnect Battery

• Reconnect the battery terminals securely.