2012 Lincoln MKZ Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 2012 Lincoln MKZ 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 2012 Lincoln MKZ 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 2012 Lincoln MKZ 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 steps to diagnose the oil leak in a 2012 Lincoln MKZ?

To effectively diagnose an oil leak in your 2012 Lincoln MKZ, start by thoroughly cleaning the engine to eliminate any existing oil residue, which can obscure the source of the leak. Once the engine is clean, introduce a dye into the oil; this dye will help highlight the leak when exposed to UV light. After adding the dye, take your vehicle for a short drive to ensure the dye circulates through the engine and reaches the leak point. Finally, return to a shop equipped with a UV light, where a technician can pinpoint the exact location of the oil leak by inspecting the engine for any fluorescent traces of the dye. This systematic approach not only simplifies the diagnostic process but also helps you identify the issue efficiently, allowing for timely repairs.

What are the common causes of oil leaks in a 2012 Lincoln MKZ?

When diagnosing oil leaks in a 2012 Lincoln MKZ, it's essential to understand the common culprits that may be at play. One frequent issue is the wear and tear of the oil pan gasket, which can deteriorate over time, leading to leaks. Similarly, valve cover gaskets are prone to degradation, allowing oil to escape from the engine. Another potential source of leaks is the oil filter housing gasket; if this component fails, it can result in significant oil loss. Additionally, the rear main seal is a critical area to inspect, as it can wear out and cause oil to leak from the back of the engine. Lastly, the oil cooler seal is another component that, if compromised, can lead to leaks within the engine compartment. By identifying and addressing these common issues promptly, DIY enthusiasts can prevent further damage and maintain the health of their vehicle.

How urgent is it to address the oil leak in a 2012 Lincoln MKZ?

Addressing an oil leak in a 2012 Lincoln MKZ is an urgent matter that should not be overlooked. The consequences of delaying repairs can be severe, leading to significant engine damage due to inadequate lubrication. As oil levels drop, the engine components may experience increased friction and heat, which can ultimately result in costly repairs or even complete engine failure. Moreover, an oil leak poses safety risks, as oil on the road can create slippery conditions, increasing the likelihood of accidents. Timely intervention not only preserves the vehicle's performance but also ensures the safety of the driver and others on the road. Therefore, if you notice any signs of an oil leak, it is crucial to address the issue immediately to avoid further complications and maintain the integrity of your vehicle.

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