2018 Honda Pilot Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 2018 Honda Pilot and How to Address Them Effectively

Find Repair Location
Reviewed by
Bo Fader
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 Honda Pilot 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 Honda Pilot 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 steps should I take to diagnose the oil leak in my 2018 Honda Pilot?

To effectively diagnose an oil leak in your 2018 Honda Pilot, begin with a systematic approach that prioritizes simpler checks before moving on to more complex diagnostics. Start by locating the leak; inspect the area beneath your vehicle for any visible oil drips or stains, which can provide initial clues about the leak's source. Next, check the oil level in your engine; a significantly low level may indicate a leak, and examining the oil's color and consistency can reveal further issues. Focus on inspecting gaskets and seals around critical components like the oil pan and valve cover, as these are common culprits for leaks. Don’t overlook the oil drain plug; ensure it is securely tightened to prevent oil from escaping. Additionally, examine the oil filter and associated lines for any signs of cracks or damage. If the source remains elusive, consider performing a pressure test on the oil system, which can help identify leaks that are not immediately visible. Should these steps not yield results, seeking professional assistance is advisable to ensure a thorough inspection and repair. By following this structured diagnostic approach, you can effectively identify and address the oil leak in your vehicle.

What are the common causes of oil leaks in a 2018 Honda Pilot?

When dealing with oil leaks in a 2018 Honda Pilot, it's essential to understand the common culprits that may be at play. One frequent issue is a degraded or damaged oil pan gasket, which can deteriorate over time, leading to leaks. Additionally, worn oil seals, such as those found around the crankshaft or camshaft, can also contribute to oil loss. It's crucial to check the oil filter as well; if it's loose or damaged, it can be a significant source of leaks. Another area to inspect is the valve cover gasket, as a faulty or worn gasket can allow oil to escape from the engine. Lastly, keep an eye out for any cracks in engine components, as these can lead to more severe leaks. Addressing these issues promptly is vital to maintaining engine health and performance, so regular inspections and maintenance are recommended for any DIY enthusiast looking to keep their Honda Pilot in top shape.

How urgent is it to address the oil leak in my 2018 Honda Pilot?

Addressing an oil leak in your 2018 Honda Pilot is an urgent matter that requires immediate attention. Ignoring this issue can lead to a significant decrease in oil levels, which compromises engine lubrication and can result in severe engine damage over time. Additionally, insufficient lubrication can cause the engine to overheat, leading to costly repairs or even complete engine failure. Beyond mechanical concerns, an oil leak poses safety risks; oil dripping onto hot engine components can ignite and potentially cause a fire. Regularly monitoring your vehicle for oil leaks and addressing them promptly is crucial for maintaining its performance and longevity. Therefore, if you notice any signs of an oil leak, it is essential to take action without delay to ensure the safety and reliability of your Honda Pilot.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.