my Tesla Model S Original (2012-2020) is leaking oil what's causing it

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

4 min read

603 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 oil leaks in Tesla Model S (2012-2020). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Engine

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect battery before working on electrical systems.
•Allow engine to cool before opening the oil system.

Symptoms

•Oil spots on the ground where the vehicle is parked
•Low oil level warning on the dashboard
•Visible oil residue around engine components
•Unusual burning oil smell, especially after driving
•Engine noise due to insufficient lubrication

Diagnostic Steps

1
Inspect the ground underneath the vehicle for oil spots to determine the leak's location.
2
Check the engine oil level using the dipstick to confirm if it is low.
3
Visually inspect the engine for oil leaks, focusing on the valve cover gasket, oil pan gasket, and oil filter.
4
Use a UV dye tracer in the oil to help identify the source of the leak if it is not visually apparent.
5
Inspect the oil filter for proper installation and any signs of leakage.
6
Examine the oil drain plug for tightness and signs of wear or damage.

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

•Socket set
•Torque wrench
•Oil filter wrench
•Oil catch pan
•Jack stands

Parts Required

•Valve cover gasket
•Oil pan gasket
•Oil filter
•Engine oil (recommended type)

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Diagnostic Steps

1
Inspect the ground underneath the vehicle for oil spots to determine the leak's location.
2
Check the engine oil level using the dipstick to confirm if it is low.
3
Visually inspect the engine for oil leaks, focusing on the valve cover gasket, oil pan gasket, and oil filter.
4
Use a UV dye tracer in the oil to help identify the source of the leak if it is not visually apparent.
5
Inspect the oil filter for proper installation and any signs of leakage.
6
Examine the oil drain plug for tightness and signs of wear or damage.

Solution

1. Preparation

Gather all necessary tools and parts.
Ensure the vehicle is parked on a level surface and the engine is cool.
Disconnect the battery for safety.

2. Identify and Replace Leaking Components

Valve Cover Gasket
1. Remove any engine covers obstructing access to the valve cover.
2. Unscrew the valve cover bolts using a socket set and lift the valve cover off.
3. Clean the mating surfaces of the cylinder head and valve cover.
4. Install a new gasket onto the valve cover.
5. Reinstall the valve cover and torque the bolts to the manufacturer's specifications (typically 8-10 ft-lbs).
Oil Pan Gasket
1. Raise the vehicle securely on jack stands.
2. Drain the engine oil by removing the oil drain plug and allowing oil to fully drain.
3. Remove the oil pan by unscrewing the bolts and gently prying it off if necessary.
4. Clean the old gasket material from the oil pan and engine block.
5. Apply a new gasket or sealant as per the manufacturer's specifications.
6. Reinstall the oil pan, torqueing the bolts to the specified value (typically 10-12 ft-lbs).

3. Inspect and Replace Oil Filter

Locate the oil filter and ensure it is accessible.
Use an oil filter wrench to remove the old oil filter.
Apply a thin layer of oil to the rubber gasket of the new filter to ensure a good seal.
Install the new oil filter by hand, tightening it until snug (do not over-tighten).
Replace the oil drain plug and refill the engine with the recommended oil type.