Detailed Repair Guide: Fixing Transmission Issue in 2014 Tesla Model S
If you're working on a 2014 Tesla Model S that has a transmission error, this detailed guide will help you diagnose and fix the problem. Many users reported this as a less commonly known issue with this make and model year.
Tools Required
- Diagnostic Scan Tool
- Long Nose Pliers
- Torque Wrench
- Socket Set
- Jack Stands
- Car Jack
Diagnostic Steps
- Start by reading the error codes from your vehicle's computer using your Diagnostic Scan Tool.
- Check for error codes pointing towards the gearbox or the Gearbox Control Unit (GCU). This might indicate a problem in the transmission system.
Repair Steps
- Disconnect the car battery terminals to avoid any electrical issues during the repair.
- Jacking up the car and secure it with jack stands. You can find the official jacking points on the car's manual.
- Locate the transmission oil pan under the vehicle.
- Using socket wrenches, carefully remove the bolts attaching the transmission oil pan to the car body.
- Check for any metal debris within the oil. This can be a sign of shavings from gears or bearings.
- If metal debris is found, remove the transmission assembly according to the manufacturer's instructions.
- Fully inspect the transmission assembly, focusing on the gears and bearings. If you find any part of it to be damaged, it needs to be replaced.
- Once the damaged parts have been replaced, reattach the transmission assembly to the vehicle.
- Reattach the transmission oil pan.
- Lower the vehicle slowly and safely from the jack stands, then reconnect the battery terminals.
- Lastly, using the Diagnostic Scan Tool, erase the error codes, and test drive the vehicle to ensure no errors reappear.
Helpful Tips and Precautions
- Make sure to have containers ready to catch any fluids that may leak out when you're removing the transmission oil pan.
- Wear safety glasses and protective clothing at all times to protect yourself from dripping oil and other hazards.
- Double-check the torque settings when reassembling the vehicle to prevent any further damage.
Remember, while this seems like a less typical problem, it's not uncommon. By ensuring to run regular checks and maintenance, you can ensure the longevity of such electric vehicles. Happy fix!