2018 Chevrolet Spark Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 2018 Chevrolet Spark and How to Fix Them Effectively

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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 2018 Chevrolet Spark 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 2018 Chevrolet Spark 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 steps should I take to diagnose the oil leak in my 2018 Chevrolet Spark?

To effectively diagnose an oil leak in your 2018 Chevrolet Spark, begin by locating the source of the leak. This involves checking under the vehicle for any visible oil spots or puddles, which can provide initial clues. Once you have a general area identified, inspect the oil pan for any cracks or damage, as this is a common culprit for leaks. Next, examine the oil filter to ensure it is securely installed and not leaking oil. Don’t forget to check the oil drain plug; it should be tight and free from any signs of oil seeping around it. Additionally, inspect the gaskets and seals around the engine, as wear and tear in these areas can lead to leaks. Throughout this process, monitor your oil levels closely; a significant drop can indicate a leak that needs immediate attention. If you are unable to pinpoint the source of the leak or if the problem persists despite your efforts, it may be time to consult a professional mechanic for a more thorough inspection and repair. This step-by-step diagnostic approach not only helps in identifying the issue but also empowers you to take action before seeking professional help.

What are the common causes of oil leaks in a 2018 Chevrolet Spark?

When dealing with oil leaks in a 2018 Chevrolet Spark, it's essential to understand the common problems that may arise. One frequent issue is a degraded or damaged oil pan gasket, which can lead to oil seepage over time. Additionally, worn-out oil seals, often affected by heat and friction, can also contribute to leaks. It's crucial to check the oil drain plug, as a loose or damaged plug can allow oil to escape from the oil pan. Another area to inspect is the oil filter; a cracked or damaged filter can result in significant leaks, making regular inspections and timely replacements vital. Overfilling the engine with oil can create excess pressure, causing leaks in various seals and gaskets, so maintaining the correct oil level is important. Lastly, a faulty valve cover gasket can lead to oil leaks as well, sealing the valve cover to the engine block. By being aware of these common causes and performing regular maintenance, DIY enthusiasts can effectively prevent and address oil leaks in their Chevrolet Spark.

How urgent is it to address the oil leak in my 2018 Chevrolet Spark to prevent potential engine damage?

Addressing an oil leak in your 2018 Chevrolet Spark is not just a matter of routine maintenance; it is a critical step in safeguarding your engine's health. Oil serves as the lifeblood of your vehicle, providing essential lubrication to prevent friction and wear among engine components. When a leak occurs, it compromises this lubrication, leading to increased friction that can cause severe engine damage over time. Ignoring even a small leak can escalate into a significant problem, resulting in low oil levels that may cause overheating and further wear on vital engine parts. Moreover, a substantial leak can lead to a dangerous drop in oil pressure, which is crucial for the engine's proper functioning. This situation can quickly spiral into costly repairs or even complete engine failure if not addressed immediately. Therefore, it is imperative to regularly check your oil levels and take swift action at the first sign of a leak. By doing so, you not only protect your investment but also ensure the longevity and reliability of your vehicle.

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2018 Chevrolet Spark Oil Leak Issues & Repairs | RepairPal