2021 Honda Passport Is Leaking Oil

Address Oil Leaks in Your 2021 Honda Passport Effectively

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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 2021 Honda Passport 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 2021 Honda Passport 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 first steps to diagnose an oil leak in a 2021 Honda Passport?

To effectively diagnose an oil leak in your 2021 Honda Passport, start by locating the source of the leak. Begin by inspecting the area beneath the vehicle for any visible oil drips or puddles, as this can provide immediate clues. Next, check the oil level in the engine; a significant drop may indicate a serious leak that needs attention. Pay close attention to the oil filter and drain plug, ensuring they are securely fastened and free from leaks, as these are common culprits. Additionally, examine the gaskets and seals, particularly the valve cover and oil pan gaskets, for any signs of wear or damage that could lead to leaks. Don’t forget to inspect the oil cooler lines and hoses for any signs of deterioration. If the source remains elusive, consider adding UV dye to the oil, which can help illuminate the leak under a UV light. If these steps do not yield results, consulting a qualified mechanic may be necessary for a more thorough diagnosis. By following this structured approach, you can efficiently identify and address oil leaks in your vehicle.

What are the common causes of oil leaks in a 2021 Honda Passport?

When dealing with oil leaks in a 2021 Honda Passport, it's crucial 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 and lead to leaks. Additionally, worn-out oil seals, such as the valve cover gasket or camshaft seals, are often responsible for oil seepage. Another area to inspect is the oil drain plug; if it is loose or damaged, it can allow oil to escape. A faulty oil filter, whether due to a manufacturing defect or improper installation, can also contribute to leaks. Lastly, cracks in engine components, including the engine block, can result in significant oil loss. By regularly inspecting these areas and addressing any signs of wear or damage, DIYers can maintain their vehicle's performance and prevent further complications.

How urgent is it to address the oil leak in my 2021 Honda Passport?

Addressing an oil leak in your 2021 Honda Passport is not just a matter of routine maintenance; it is a pressing issue that requires immediate attention. An oil leak can significantly reduce oil levels, leading to inadequate lubrication of engine components, which may result in severe engine damage over time. Furthermore, neglecting this problem can cause the engine to overheat, potentially leading to catastrophic mechanical failures that could leave you stranded or, worse, necessitate costly repairs. The safety implications are equally concerning, as leaking oil can drip onto hot engine parts, creating a fire hazard that endangers both you and your vehicle. By promptly monitoring and addressing any signs of an oil leak, you not only safeguard the performance and longevity of your Honda Passport but also ensure your safety on the road. Therefore, it is crucial to act swiftly and resolve any oil leak issues to prevent further complications and maintain the integrity of your vehicle.

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2021 Honda Passport Oil Leak Causes & Repair Costs