2021 Acura ILX Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2021 Acura ILX and How to Address Them 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 Acura ILX 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 Acura ILX 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 diagnostic steps to take for an oil leak in a 2021 Acura ILX?

When faced with an oil leak in your 2021 Acura ILX, it's crucial to adopt a systematic diagnostic approach to effectively identify and resolve the issue. Begin by locating the leak; inspect the area beneath your vehicle for any oil drips or puddles, and check the engine bay for signs of oil residue. Next, assess the oil level in your engine to determine if it has dropped significantly, which could indicate a serious leak requiring immediate attention. Pay close attention to the oil filter and drain plug, as these components are common culprits for leaks; ensure they are secure and replace the oil filter if it shows any signs of damage. Additionally, examine the gaskets and seals within the engine, such as the valve cover and oil pan gaskets, as wear and tear can lead to leaks. Don't overlook the Positive Crankcase Ventilation (PCV) system, which helps regulate engine pressure; ensure that the PCV valve and hoses are functioning properly. If the source of the leak remains elusive, consider performing a pressure test to accurately pinpoint the problem. By following these steps, you can effectively diagnose and address the oil leak, ensuring your Acura ILX remains in optimal condition.

What are the common causes of oil leaks in a 2021 Acura ILX?

When diagnosing oil leaks in a 2021 Acura ILX, 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 wear out over time and lead to significant leaks. Additionally, a faulty valve cover gasket is another common source of oil seepage, often resulting from wear and tear. It's also important to check the oil filter; if it is loose or improperly installed, it can easily cause oil to leak from the engine. Another area to inspect is the oil drain plug; if it is not tightened correctly or is damaged, it can lead to leaks as well. Lastly, keep an eye on the engine seals, such as the rear main seal or camshaft seals, as these can crack or wear out, contributing to oil leaks. Addressing these issues promptly is essential to prevent further engine damage and maintain the vehicle's performance, making regular maintenance and inspections vital for any DIY enthusiast.

How urgent is it to address the oil leak in my 2021 Acura ILX?

Addressing an oil leak in your 2021 Acura ILX is not just a matter of routine maintenance; it is a pressing issue that requires immediate attention. An oil leak can significantly reduce the oil levels in your engine, leading to inadequate lubrication of vital components. This lack of lubrication can cause severe wear and tear, ultimately resulting in costly engine damage. Moreover, neglecting an oil leak can lead to overheating, which poses a serious risk of engine failure and can incur expensive repair bills. Additionally, the safety implications cannot be overlooked; oil that drips onto hot engine parts can ignite, creating a fire hazard. Therefore, it is crucial to act swiftly and address any signs of an oil leak to protect both your vehicle's performance and your safety on the road.

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2021 Acura ILX Oil Leak Causes & Repair Costs | RepairPal