2017 Lexus GS F Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 2017 Lexus GS F and How to Address Them Effectively

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Reviewed by
Aisha
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 2017 Lexus GS F 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 2017 Lexus GS F 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 are the steps to diagnose the oil leak in a 2017 Lexus GS F?

When diagnosing an oil leak in a 2017 Lexus GS F, it's essential to adopt a systematic approach that begins with the most straightforward checks before progressing to more complex diagnostics. Start by visually inspecting the engine bay and the area beneath the vehicle to locate any visible signs of oil. This initial step can often reveal the source of the leak, such as a loose oil filter or drain plug. Next, check the oil level to determine if there has been a significant drop, which could indicate a more serious issue. Following this, examine the gaskets and seals around the engine components for wear or damage, as these are common culprits for leaks. If the source remains elusive, consider using UV dye in the oil, which can help illuminate the leak under UV light. For a more thorough investigation, a pressure test can be conducted to pinpoint the leak's exact location. If these methods do not yield results, consulting a professional mechanic is advisable to ensure the issue is accurately diagnosed and resolved. By following this structured diagnostic approach, you can effectively identify and address oil leaks in your Lexus GS F.

What are the common causes of oil leaks in a 2017 Lexus GS F?

When dealing with oil leaks in a 2017 Lexus GS F, it's crucial to understand the common culprits that may be at play. One frequent issue is the degradation of the oil pan gasket, which can wear out over time and lead to leaks. Similarly, worn or damaged valve cover gaskets can also allow oil to escape, necessitating replacement. Another potential source of leaks is the oil filter housing gasket; if this component deteriorates, it can result in significant oil loss. Additionally, keep an eye on the oil cooler lines, as damaged or improperly secured lines can lead to leaks as well. Lastly, cracked or worn oil seals, including those around the crankshaft and camshaft, can contribute to oil leakage. Addressing these issues promptly is essential not only for maintaining engine performance but also for preventing further damage. Regular inspections and maintenance can help you catch these problems early, ensuring your Lexus remains in top condition.

How urgent is it to address the oil leak in my 2017 Lexus GS F?

Addressing an oil leak in your 2017 Lexus GS F is not just a matter of routine maintenance; it is a critical issue that demands immediate attention. An oil leak can lead to a significant drop in oil levels, which compromises the lubrication of essential engine components. This lack of lubrication can result in increased friction, leading to premature wear and tear, and ultimately, catastrophic engine damage. Furthermore, neglecting an oil leak can cause the engine to overheat, a situation that not only escalates repair costs but can also lead to complete engine failure. Beyond mechanical concerns, an oil leak poses serious safety hazards. Oil dripping onto hot engine parts can ignite, creating a fire risk that endangers both the vehicle and its occupants. Therefore, it is imperative to address any signs of an oil leak promptly to safeguard your vehicle's performance and ensure your safety on the road.

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