Volvo S70 Is Leaking Oil

Diagnosing Oil Leak Sources in Your Volvo S70 and Effective Repair Strategies

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 Volvo S70 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 Volvo S70 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 Volvo S70?

When dealing with oil leaks in your Volvo S70, it's essential to adopt a systematic diagnostic approach. Start by locating the leak; this involves checking for visible oil spots under the vehicle and inspecting the engine bay for any signs of oil residue. Once you've identified the general area of the leak, focus on common culprits such as the oil pan, valve cover gasket, or oil filter housing. Utilizing a UV dye or a leak detection kit can significantly aid in pinpointing the exact source of the leak. After identifying the source, proceed with the necessary repairs, which may include replacing gaskets or seals. It's crucial to clean the area around the leak thoroughly before making any fixes and to ensure that all components are securely tightened to prevent future leaks. Finally, maintain regular oil changes and inspections to catch any potential issues early, ensuring your Volvo S70 remains in optimal condition. By following this structured approach, you can effectively diagnose and resolve oil leaks, enhancing your vehicle's performance and longevity.

How to Address Oil Leaks in a Volvo S70?

When addressing oil leaks in a Volvo S70, it's essential to understand the common problems that can arise within the vehicle's oil system. One frequent issue is the deterioration of engine gaskets, which can lead to leaks around the engine block. Additionally, the oil pan and drain plug are often culprits; if they are damaged or improperly secured, they can allow oil to escape. Another area to inspect is the intercooler, as oil leaks can sometimes be misidentified as coolant leaks, leading to confusion. Furthermore, the distributor cap can also be a source of oil leakage, particularly if the gasket is compromised. By being aware of these common failure modes, DIYers can systematically check each component, ensuring that they address the root cause of the leak rather than just the symptoms. Promptly resolving these issues is vital to maintaining engine performance and preventing more severe damage down the line.

Why is it Critical to Address Oil Leaks in a Volvo S70?

Addressing oil leaks in your Volvo S70 is not just a matter of routine maintenance; it is a critical step in ensuring the longevity and safety of your vehicle. Ignoring even minor oil leaks can lead to significant engine damage over time, as low oil levels can compromise lubrication and lead to overheating. This not only affects the performance of your car but can also result in costly repairs that could have been easily avoided. Furthermore, oil leaks pose environmental hazards, as they can contaminate local soil and water sources, contributing to broader ecological issues. Safety is another paramount concern; oil spills on roadways can create hazardous driving conditions, increasing the risk of accidents for you and others. Therefore, it is essential to address any signs of oil leaks promptly to maintain your vehicle's performance, protect the environment, and ensure the safety of all road users.

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.