2017 Toyota Sequoia Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2017 Toyota Sequoia and How to Address Them Effectively

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Reviewed by
Devin Cabugcal
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 2017 Toyota Sequoia 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 2017 Toyota Sequoia 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.

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 are the initial steps to diagnose the oil leak in a 2017 Toyota Sequoia?

To effectively diagnose an oil leak in your 2017 Toyota Sequoia, start by locating the source of the leak. This involves checking underneath the vehicle for any visible oil spots or puddles, which can give you a clue about where the leak is originating. Once you have a general area, inspect the oil pan for any cracks or loose bolts, as these are common culprits. Next, examine the oil filter to ensure it is properly installed and free from leaks. Don’t forget to check the oil drain plug; it should be securely tightened to prevent any oil from escaping. Additionally, inspect the valve cover gasket for signs of wear, as a damaged gasket can lead to significant leaks. Finally, take a look at other seals and gaskets, such as the camshaft and crankshaft seals, and monitor your oil levels regularly to assess the rate of loss. By following this methodical approach, you can effectively identify and address the oil leak in your vehicle.

What are the common causes of oil leaks in a 2017 Toyota Sequoia?

When dealing with oil leaks in a 2017 Toyota Sequoia, it's crucial to understand the common culprits that may be at play. One frequent issue is the degradation of the oil pan gasket, which can wear out over time and lead to leaks. Similarly, worn valve cover gaskets can allow oil to escape from the top of the engine, creating noticeable leaks. Another potential source of oil leaks is a faulty oil filter; if the filter is damaged or improperly installed, it can result in oil seeping out. Additionally, a damaged or loose oil drain plug can also be a significant factor, as it may not seal properly, allowing oil to leak from the oil pan. Lastly, various seals within the engine, such as camshaft or crankshaft seals, can crack or wear down, contributing to oil leaks. Addressing these issues promptly is essential not only for maintaining engine performance but also for preventing further damage. Regular inspections and maintenance can help you catch these problems early, ensuring your Sequoia runs smoothly.

How urgent is it to address the oil leak in a 2017 Toyota Sequoia?

Addressing an oil leak in a 2017 Toyota Sequoia is not just a matter of routine maintenance; it is a pressing concern that demands immediate attention. An oil leak can significantly reduce oil levels, leading to inadequate lubrication of the engine components, which may result in severe engine damage over time. Furthermore, if left unchecked, the leak can cause the engine to overheat, potentially leading to catastrophic mechanical failures that could leave you stranded or necessitate costly repairs. Beyond mechanical issues, an oil leak poses serious safety risks; oil dripping onto hot engine parts can ignite, creating a fire hazard that endangers both the vehicle and its occupants. Therefore, it is crucial for DIY enthusiasts to recognize the urgency of this issue and take swift action to diagnose and repair any oil leaks to ensure the vehicle's safe and efficient operation.

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