2017 Mini Cooper Countryman Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 2017 Mini Cooper Countryman and How to Fix Them

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Reviewed by
Devin Cabugcal
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 2017 Mini Cooper Countryman 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 2017 Mini Cooper Countryman 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.

A bad oil level sensor may cause a false reading of the engine oil level. The oil level warning light may illuminate even when the oil level (checked manually) is within an acceptable range. The warning light may also come on and off intermittently if the sensor is faulty. An error code may be sent to the PCM and a check engine light may come on the dashboard as well if the sensor is bad.

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 2017 Mini Cooper Countryman?

To effectively diagnose an oil leak in your 2017 Mini Cooper Countryman, start by locating the leak through a thorough inspection of the engine bay, the area beneath the vehicle, and your usual parking spot. This initial step is crucial for identifying the source of the leak. Next, check the oil level to ensure it is within the recommended range; a significant drop may indicate a serious issue. Pay close attention to the oil filter and drain plug, as these components can often be the culprits behind leaks. If you notice any looseness or signs of leakage, tighten or replace them as needed. Additionally, examine the gaskets and seals around critical engine components like the oil pan and valve cover for wear or damage. For a more advanced approach, consider adding UV dye to the engine oil and using a UV light to pinpoint the leak's location, as the dye will glow under the light. If the leak remains elusive, performing a pressure test on the oil system can help identify hidden leaks. However, if you find the diagnosis challenging or the issue appears complex, consulting a qualified mechanic is advisable to ensure proper resolution. By following this structured diagnostic approach, you can systematically address the oil leak issue in your Mini Cooper.

What are the common causes of oil leaks in a 2017 Mini Cooper Countryman?

When diagnosing oil leaks in a 2017 Mini Cooper Countryman, it's essential to understand the common culprits that may be at play. One frequent issue is the degradation of the oil pan gasket, which can wear out over time, leading to leaks. Similarly, the valve cover gasket, which seals the valve cover to the cylinder head, can deteriorate and cause oil to escape. Another potential source of leaks is the oil filter housing gasket; if this gasket fails, it can result in significant oil loss. Additionally, the rear main seal, located at the back of the engine, is prone to leaks as it ages, while the seals around the oil cooler can also degrade, contributing to oil leakage. Regular maintenance and prompt attention to any signs of oil leakage are crucial for preventing engine damage and ensuring the vehicle operates smoothly. By being aware of these common issues, DIY enthusiasts can take proactive steps to identify and address oil leaks effectively.

How urgent is it to address the oil leak in a 2017 Mini Cooper Countryman?

Addressing an oil leak in your 2017 Mini Cooper Countryman is not just a matter of routine maintenance; it is a critical issue that demands immediate attention. An oil leak can lead to insufficient lubrication of engine components, which increases friction and can cause severe damage to the engine over time. If left unchecked, the oil levels can drop significantly, resulting in overheating and potentially catastrophic engine failure. Moreover, oil leaks pose safety risks, as oil can drip onto hot engine parts, creating a fire hazard. Beyond personal safety, neglecting an oil leak can have detrimental effects on the environment, as spilled oil can contaminate soil and water sources. Therefore, it is essential to prioritize the inspection and repair of any oil leaks to ensure the longevity of your vehicle, maintain safety, and protect the environment.

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