Jeep Commander Is Leaking Oil

Common Causes of Oil Leaks in Your Jeep Commander 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 Jeep Commander 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 Jeep Commander 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.

An oil leak may be noted on the ground where the vehicle is parked. However, many vehicles have plastic trays underneath the engine that may catch leaking oil and conceal the leak. In such cases, a low oil level, a burning oil smell, or even smoke from oil burning in the engine bay may be noted.

»MORE: Signs of a bad oil pan gasket

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 Jeep Commander?

When tackling oil leaks in your Jeep Commander, begin with a thorough visual inspection of the engine and surrounding areas. Look for any visible signs of oil, such as stains or puddles, which can help pinpoint the leak's origin. Pay special attention to common leak points, including the valve covers, oil pan gasket, and seals, as these are frequent culprits. If you notice oil stains under the vehicle or experience a burning oil smell, these are clear indicators of a leak that needs addressing. Additionally, check specific components like the oil cap and oil filter assembly, ensuring that the rubber o-ring is properly seated and the filter is secure. If the leak seems to be emanating from the oil pan, it may require a closer inspection of the gasket and possibly more extensive repairs, such as removing the motor or transmission. By following this diagnostic approach, you can effectively identify and resolve oil leaks, safeguarding your engine from potential damage.

How to Diagnose and Fix Oil Leaks in a Jeep Commander?

When diagnosing oil leaks in a Jeep Commander, it's crucial to be aware of the common problems that can arise within the vehicle's oil system. One frequent issue is the deterioration of gaskets and seals, which can become brittle and lose their effectiveness over time, leading to leaks around the valve covers and oil pan. Additionally, worn-out drain plugs can contribute to oil loss, as they may not create a proper seal. Another potential failure mode is the failure of oil system components, such as the oil pump or oil filter, which can result in significant leaks if not addressed promptly. It's also important to consider the possibility of coolant mixing with oil, indicated by a milky residue, which can signal a more serious problem like a blown head gasket. By understanding these common issues, DIYers can better identify the source of oil leaks and take appropriate action, whether that involves simple gasket replacements or more complex repairs. Regular maintenance and inspections can further help in preventing these problems from escalating, ensuring the longevity and reliability of your Jeep Commander.

How to Address Oil Leaks in a Jeep Commander?

Addressing oil leaks in your Jeep Commander is not just a matter of convenience; it is crucial for the safety and longevity of your vehicle. Ignoring these leaks can lead to severe engine damage, decreased performance, and even hazardous driving conditions. Start by identifying the source of the leak, as common culprits include the valve cover, oil pan, and oil filter adapter. Once you have located the leak, inspect the area for loose bolts and tighten them if necessary, as this simple step can often resolve minor issues. If the leak persists, consider replacing worn gaskets and O-rings, particularly those on the valve cover and oil filter adapter, to create a proper seal. Additionally, ensure that the rubber O-ring on the oil filter cap is seated correctly to prevent leaks. If you find that the oil pan is leaking, be prepared for a more involved repair, which may require lifting the motor or removing the transmission. Should the problem continue or if you are uncertain about the source of the leak, seeking professional assistance is advisable. Timely intervention not only protects your Jeep Commander from potential damage but also ensures a safer driving experience.

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