2011 Volvo S40 Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 2011 Volvo S40 and How to Address Them Effectively

Find Repair Location
Reviewed by
Bo Fader
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 2011 Volvo S40 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 2011 Volvo S40 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

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 2011 Volvo S40?

To effectively diagnose an oil leak in your 2011 Volvo S40, begin by locating the leak, focusing on common areas such as the oil pan, oil filter, and drain plug. After identifying a potential source, monitor your oil levels closely; a significant drop can indicate a leak. Pay particular attention to the cam seals, as they are frequent culprits in Volvos—inspect them for any visible cracks or damage. Additionally, evaluate the oil pressure system, including the oil pump and oil filter, since issues in these components can also lead to leaks. If you find it challenging to determine the source of the leak or if the issue continues despite your efforts, consulting a qualified mechanic for a comprehensive inspection and professional diagnosis is advisable. This systematic approach will help you effectively assess and address the oil leak in your vehicle.

What are the common causes of oil leaks in a 2011 Volvo S40?

When dealing with oil leaks in a 2011 Volvo S40, it's essential to understand the primary culprits that can lead to this frustrating problem. One of the most frequent causes is worn-out gaskets or seals, which can deteriorate over time and allow oil to escape from the engine. Additionally, loose bolts or seals, particularly in the oil pan or valve cover, can contribute to minor leaks; a simple tightening of these components may resolve the issue. Another common source of oil leaks is the oil filler cap, which, if not properly sealed, can lead to significant leakage. By familiarizing yourself with these potential issues, you can take proactive steps to diagnose and fix oil leaks, ultimately saving time and money on repairs while ensuring your vehicle runs smoothly.

How urgent is it to address the oil leak in my 2011 Volvo S40?

When it comes to addressing an oil leak in your 2011 Volvo S40, understanding the urgency is crucial for both your vehicle's health and your safety. Ignoring even a minor leak can lead to significant engine damage, as oil is essential for proper lubrication and cooling. If the leak is severe, such as from the front engine seal, it can escalate quickly, resulting in costly repairs and potential breakdowns. Moreover, oil leaks pose safety hazards; leaking oil can ignite if it comes into contact with hot engine components, creating a fire risk. The cost of repairs can vary widely, but addressing the issue early can save you from more extensive and expensive fixes later on. If you're unsure about the source of the leak, it's wise to consult a professional mechanic for a thorough inspection. By taking prompt action, you not only protect your vehicle's performance but also ensure your safety on the road.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.