2021 Land Rover Discovery Is Leaking Oil

Address Oil Leaks in Your 2021 Land Rover Discovery 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 2021 Land Rover Discovery 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 Land Rover Discovery 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 steps to diagnose the oil leak in a 2021 Land Rover Discovery?

When diagnosing an oil leak in a 2021 Land Rover Discovery, start by visually inspecting the engine and surrounding components for any visible signs of oil. Pay close attention to the oil pan, transmission, and any gaskets or seals, as these are common culprits for leaks. Next, check the oil levels to determine if there has been a significant drop, which could indicate a leak. It's also beneficial to look underneath the vehicle for any oil puddles or drips, as this can help pinpoint the leak's location. If the source remains elusive, consider using a UV dye added to the engine oil, which can illuminate the leak under UV light. If these steps do not yield results or if you feel uncertain about the diagnosis, consulting a qualified mechanic is advisable for a thorough assessment and repair. By following this methodical approach, you can effectively identify and address oil leaks in your vehicle.

What are the common causes of oil leaks in a 2021 Land Rover Discovery?

When diagnosing oil leaks in a 2021 Land Rover Discovery, it's crucial to understand the common problems that may arise. One of the primary culprits is degraded or damaged gaskets and seals, which can wear out over time, leading to leaks. Additionally, a loose or improperly installed oil filter can cause oil to escape from the filter housing, especially if not tightened securely during an oil change. Another potential issue is a cracked oil pan, often resulting from impacts with road debris or rough driving conditions, which can create significant leaks. Furthermore, the oil drain plug can wear out or become damaged, contributing to oil loss at the bottom of the oil pan. Lastly, faulty oil cooler lines may develop leaks due to wear and tear, allowing oil to seep out. Addressing these issues promptly is essential to maintain engine health and performance, and regular inspections can help catch these problems early, making it easier for DIY enthusiasts to tackle repairs effectively.

How urgent is it to address the oil leak in a 2021 Land Rover Discovery?

Addressing an oil leak in your 2021 Land Rover Discovery is not just a matter of routine maintenance; it is an urgent necessity. The oil in your engine plays a vital role in lubricating its components, preventing friction and overheating. A leak can quickly lead to a decrease in oil levels, resulting in low oil pressure, which is essential for the engine's proper functioning. If left unchecked, this can escalate to severe engine problems or even complete engine failure, leading to costly repairs. Moreover, an oil leak poses a significant safety risk; oil dripping onto hot engine parts can ignite, creating a fire hazard. Additionally, neglecting an oil leak can have environmental repercussions, as spilled oil can contaminate soil and water sources. Therefore, it is crucial to address any signs of an oil leak immediately to safeguard your vehicle's performance, ensure your safety, and protect the environment.

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