2018 Toyota 86 Is Leaking Oil

Diagnosing Oil Leak Sources in Your 2018 Toyota 86 and Recommended Repair Solutions

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Reviewed by
Aisha
Written by RepairPal Car Genius
Updated January 14, 2025
0%
80% chance it's the
Oil System Components
0%
20% chance it's the
Engine Gaskets
The most common reasons a 2018 Toyota 86 is leaking oil are oil system component failure and leaking engine gaskets.
  • Oil System Components: A worn or damaged oil pump or filter can lead to low oil pressure, resulting in inadequate lubrication and potential engine damage.
  • Engine Gaskets: A worn or damaged engine gasket can lead to oil or coolant leaks, resulting in engine overheating or loss of lubrication.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

How much does it cost to fix a 2018 Toyota 86 is leaking oil?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

Oil pans don't wear out or break like other parts, they generally only need to be replaced because of external damage from an accident or an improperly tightened drain plug. The main symptom you will experience is an oil leak underneath the engine of your car. The oil that leaks from a damaged oil pan will range from dark brown to dark black. If the leak is large enough or occurs for long enough the oil level will be low enough to turn the oil pressure or low oil level warning light on.

An oil leak may be noted on the ground where the vehicle is parked. However, many vehicles have plastic trays underneath the engine that may catch leaking oil and conceal the leak. In such cases, a low oil level, a burning oil smell, or even smoke from oil burning in the engine bay may be noted.

»MORE: Signs of a bad oil pan gasket

The engine oil pressure warning light will come on if the engine oil pressure is low, or if the oil pressure sensor is faulty. In either case, engine power may be reduced significantly. The check engine light may also illuminate, and an on-board diagnostic (OBD) trouble code will be stored in the vehicle's computer.

What steps should I take to diagnose the oil leak in my 2018 Toyota 86?

When diagnosing an oil leak in your 2018 Toyota 86, it's crucial to take a methodical approach that prioritizes simpler checks before delving into more complex components. Begin by locating the leak; inspect the area beneath your vehicle for any oil spots, which can help you identify the source. Next, examine the oil pan for any visible cracks or damage, as this is a frequent cause of leaks. The oil filter should also be scrutinized for signs of leakage, since a defective filter can lead to significant oil loss. Ensure that the oil drain plug is securely tightened, as a loose plug can easily result in leaks. Additionally, inspect the valve cover gasket, which is often a common source of oil leaks due to wear and tear over time. Don’t forget to check the oil cooler lines for any leaks or loose connections that might be contributing to the issue. Throughout this diagnostic process, keep a close eye on your oil levels; a noticeable drop can indicate a leak. If you still cannot pinpoint the source of the leak after these checks, it may be wise to consult a professional mechanic for a comprehensive inspection and repair. By following this structured diagnostic approach, you can effectively tackle the oil leak issue in your vehicle.

What are the common causes of oil leaks in a 2018 Toyota 86?

When dealing with oil leaks in a 2018 Toyota 86, it's essential to understand the common problems that may arise. One frequent issue is a worn or damaged oil pan gasket, which can lead to oil seepage over time. Additionally, valve cover gasket leaks are another prevalent concern, as these gaskets can deteriorate and allow oil to escape from the engine. It's also important to check the oil filter; if it is loose or improperly installed, it can result in leaks from the filter housing. Furthermore, the oil drain plug should be inspected for proper tightness and the condition of its washer, as these factors can contribute to leaks from the oil pan. Lastly, the front crankshaft seal may wear out, causing oil to leak from the front of the engine. By being aware of these common causes, DIY enthusiasts can take proactive steps to diagnose and address oil leaks, ensuring their Toyota 86 remains in optimal condition.

How urgent is it to address the oil leak in my 2018 Toyota 86?

Addressing an oil leak in your 2018 Toyota 86 is not just a matter of routine maintenance; it is a pressing issue that requires immediate attention. Oil is vital for lubricating engine components, and a leak can lead to a significant loss of oil, jeopardizing the engine's performance and longevity. Ignoring this problem can result in severe engine damage, which may culminate in costly repairs or even a complete breakdown. Moreover, the safety implications of an oil leak cannot be overstated. Oil dripping onto hot engine parts poses a serious fire hazard, putting both the vehicle and its occupants at risk. By delaying repairs, you not only increase the likelihood of extensive damage but also escalate the potential for dangerous situations on the road. Therefore, it is crucial to act swiftly and address any oil leaks to maintain the safety and efficiency of your Toyota 86.

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