2019 Chevrolet Colorado Is Leaking Oil

Identifying the Causes of Oil Leaks in Your 2019 Chevrolet Colorado and How to Address Them

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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 2019 Chevrolet Colorado 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 2019 Chevrolet Colorado 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 steps should I take to diagnose the oil leak in my 2019 Chevrolet Colorado?

When diagnosing an oil leak in your 2019 Chevrolet Colorado, it's essential to adopt a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Begin by locating the leak; inspect the area beneath your vehicle for any visible oil spots or puddles, which can provide immediate clues about the leak's origin. Next, check the oil level in your engine, as a significant drop may indicate a leak that needs urgent attention. It's also crucial to examine the oil filter and drain plug, ensuring they are securely tightened, as loose components can often be the source of leaks. Additionally, inspect the gaskets and seals within the engine for signs of wear or damage, as these are common culprits for oil leaks. If the leak remains elusive, look for oil residue around critical engine components, such as the valve cover gasket and oil pan gasket. For more challenging cases, consider using UV dye in the engine oil; after running the engine, a UV light can help pinpoint the leak's source. If these steps do not yield results, consulting a professional mechanic is advisable to ensure a thorough diagnosis and effective repair. By following this structured diagnostic approach, you can efficiently identify and address the oil leak in your vehicle.

What are the common causes of oil leaks in a 2019 Chevrolet Colorado?

When dealing with oil leaks in a 2019 Chevrolet Colorado, it's crucial to understand the common culprits that may be at play. One frequent issue is a degraded or damaged oil pan gasket, which can wear out over time and lead to leaks. Additionally, a faulty or improperly installed oil filter can also result in oil escaping, so it's important to ensure that the filter is correctly fitted. Another area to inspect is the valve cover gasket, as this component can deteriorate and cause oil to leak from the top of the engine. Furthermore, leaking oil cooler lines can develop over time, contributing to oil loss. Lastly, don't overlook the oil drain plug; if it's damaged or not tightened properly, it can be a source of leaks as well. By regularly checking these components and addressing any issues promptly, you can maintain your vehicle's performance and prevent further damage.

How urgent is it to address the oil leak in my 2019 Chevrolet Colorado?

Addressing an oil leak in your 2019 Chevrolet Colorado is not just a matter of routine maintenance; it is a pressing issue that requires immediate attention. Ignoring an oil leak can lead to severe engine damage due to insufficient lubrication, which is vital for the smooth operation of your vehicle. Additionally, the presence of leaking oil creates a significant fire hazard, especially if it comes into contact with hot engine components. The longer you delay repairs, the more extensive and costly the damage can become, potentially leading to a situation where a simple fix turns into a major overhaul. Therefore, it is crucial to act swiftly to mitigate these risks, ensuring both your safety and the longevity of your vehicle.

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2019 Chevrolet Colorado Oil Leak Causes & Solutions