Chevrolet Traverse Is Leaking Oil

Identifying the Causes of Oil Leaks in Your Chevrolet Traverse and How to Address Them 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 Chevrolet Traverse 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 Chevrolet Traverse 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.

How to Diagnose and Fix Oil Leaks in a Chevrolet Traverse?

When tackling oil leaks in a Chevrolet Traverse, adopting a diagnostic approach is essential for effective resolution. Begin by locating the leak, which involves inspecting the area beneath the vehicle for any oil pooling or dripping. This initial step helps narrow down potential sources. Next, check the oil level to determine if it is abnormally low, indicating a significant leak that requires immediate attention. Following this, inspect critical components such as gaskets and seals, including the valve cover and oil pan gaskets, as these are common culprits for leaks. Don’t overlook the oil drain plug; ensure it is secure and free from damage, as a loose plug can lead to oil loss. Additionally, verify that the oil filter is correctly installed and functioning, as improper installation can also result in leaks. Lastly, examine the Positive Crankcase Ventilation (PCV) system, as a malfunction here can contribute to oil leaks. By systematically assessing these areas, you can accurately diagnose the source of the leak and take appropriate corrective actions, ensuring your Chevrolet Traverse remains in optimal condition.

How to Diagnose and Fix Oil Leaks in a Chevrolet Traverse?

When tackling oil leaks in your Chevrolet Traverse, it's essential to understand the common problems that can arise within the oil system. One frequent issue is a faulty oil pressure switch, which can lead to leaks if the seals degrade over time. Additionally, worn connectors and gaskets can also contribute to oil seepage, making it crucial to inspect these components during your diagnosis. Another potential problem is the oil pan itself, which may develop cracks or loose bolts, resulting in significant leaks. If you notice a drop in oil levels or see oil spots where you park, these could be indicators of a more serious issue. By being aware of these common failure modes, you can better pinpoint the source of the leak and take appropriate action, whether that involves a simple part replacement or consulting a mechanic for more complex repairs.

Why is it Urgent to Address Oil Leaks in a Chevrolet Traverse?

Addressing oil leaks in your Chevrolet Traverse is not just a matter of routine maintenance; it is a critical step in safeguarding your vehicle's performance and longevity. An oil leak, if left unchecked, can escalate from a minor inconvenience to a major mechanical failure, leading to costly repairs and potential safety hazards. The presence of a red dashboard light indicating low oil pressure is a clear warning sign that should never be ignored, as it often signifies a significant leak that could compromise engine function. Regularly monitoring your oil levels and being vigilant for any signs of leaks during maintenance can help you catch issues early, preventing insufficient oil levels that can cause severe engine damage. By prioritizing the prompt resolution of oil leaks, you not only protect your investment but also ensure that your Chevrolet Traverse operates smoothly and reliably on the road.

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