2009 Acura TL Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 2009 Acura TL and How to Address Them Effectively

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Reviewed by
Andrew Hajjar
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 2009 Acura TL 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 2009 Acura TL 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 identify the source of the oil leak in a 2009 Acura TL?

To effectively identify the source of an oil leak in your 2009 Acura TL, start by thoroughly inspecting the engine bay and the area beneath the vehicle for any visible signs of oil, such as drips or stains. This initial visual check can often reveal the leak's location. Next, verify the oil level in the engine; a significant drop may indicate a serious leak that requires immediate attention. Pay close attention to the oil filter and drain plug, as these components are common culprits for leaks—tightening them can sometimes resolve the issue. Additionally, examine the gaskets and seals, particularly the valve cover gasket and oil pan gasket, since wear and tear in these areas frequently lead to leaks. Don’t overlook the oil pressure switch, which can also be a source of oil seepage; inspect it for any signs of leakage. Lastly, check the Positive Crankcase Ventilation (PCV) system for clogs or leaks, as problems here can contribute to oil leaks as well. By following these steps, you can systematically diagnose and address the oil leak in your Acura TL, ensuring your vehicle remains in optimal condition.

What are the common causes of oil leaks in a 2009 Acura TL?

When dealing with oil leaks in a 2009 Acura TL, it's essential to understand the common culprits that may be at play. One frequent issue is the deterioration of the oil pan gasket, which can wear out over time, leading to leaks. Similarly, valve cover gaskets are prone to wear and can also develop leaks, allowing oil to escape. Another area to inspect is the oil filter housing gasket; if this component fails, it can result in oil leaking within the engine compartment. Additionally, the rear main seal, located at the back of the engine, can deteriorate and cause significant oil leaks if not addressed. Lastly, the seals around the oil cooler can degrade, contributing to leaks in the cooling system. By being aware of these common problems, DIY enthusiasts can perform regular inspections and maintenance, ensuring that any oil leaks are identified and resolved promptly to maintain the performance and longevity of their Acura TL.

How urgent is it to address the oil leak in a 2009 Acura TL?

Addressing an oil leak in your 2009 Acura TL is not just a matter of routine maintenance; it is a pressing concern that requires immediate attention. Oil leaks can significantly reduce the oil levels in your engine, leading to inadequate lubrication for vital components. This lack of lubrication can cause severe wear and tear, ultimately resulting in costly engine damage. Moreover, if left unchecked, an oil leak can lead to engine overheating, which may culminate in catastrophic engine failure, leaving you with a hefty repair bill. Additionally, the safety risks associated with oil leaks cannot be overlooked. Oil dripping onto hot engine parts poses a fire hazard, putting both you and your vehicle at risk. Therefore, it is crucial to address any signs of an oil leak promptly to safeguard your vehicle's performance and ensure your safety on the road.

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