2009 Pontiac G6 Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 2009 Pontiac G6 and How to Fix 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 2009 Pontiac G6 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 2009 Pontiac G6 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.

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 2009 Pontiac G6?

To effectively diagnose an oil leak in your 2009 Pontiac G6, begin with a thorough visual inspection of the engine and undercarriage while parked on a flat surface. This initial step helps you locate the source of the leak. Next, check the oil level using the dipstick; low oil levels can indicate a leak that needs addressing. Pay close attention to the oil filter and drain plug, as these components are common culprits for leaks—tightening or replacing them may resolve the issue. Additionally, examine the gaskets and seals around critical engine areas like the valve cover and oil pan for any signs of wear or damage. If the leak remains elusive, consider adding UV dye to the engine oil and running the engine; a UV light will help you identify the leak's source as the dye glows under the light. For a more thorough investigation, performing a pressure test on the oil system can pinpoint the exact location of the leak. If these DIY methods do not yield results, consulting a mechanic for professional assistance is advisable to ensure a proper diagnosis and repair. By following this structured approach, you can systematically identify and address the oil leak in your vehicle.

What are the common causes of oil leaks in a 2009 Pontiac G6?

When dealing with oil leaks in a 2009 Pontiac G6, it's essential to understand the various common problems that can arise. One frequent culprit is the failure of oil system components, which can lead to significant leaks if not addressed promptly. Additionally, the front crankshaft seal is known to be a common source of oil leakage, particularly as vehicles age. For those with the 3.5 engine, the oil filter gasket is another area to inspect, as it can deteriorate and cause leaks over time. Furthermore, the timing chain cover may also be a source of oil leaks, especially if it has been improperly sealed with marine sealer. Other potential issues include clogged PCV valves and leaking oil pressure sending units, both of which can contribute to oil leaks. Regular maintenance and timely repairs are crucial to preventing these leaks, ensuring your Pontiac G6 remains in optimal condition and avoiding more extensive damage down the line.

How urgent is it to address the oil leak in my 2009 Pontiac G6?

Addressing an oil leak in your 2009 Pontiac G6 is crucial for maintaining both the safety and performance of your vehicle. Ignoring this issue can lead to a significant drop in oil levels, which compromises engine lubrication and can result in severe engine damage over time. Additionally, oil leaks create hazardous driving conditions, as oil on the road can make surfaces slippery, increasing the risk of accidents for you and other drivers. The longer you allow the leak to persist, the more likely you are to face extensive and costly repairs down the line. Regularly checking your oil levels and promptly fixing any leaks not only safeguards your engine's health but also enhances your vehicle's overall performance. Therefore, it is imperative to take immediate action to address any oil leaks to prevent further complications and ensure your Pontiac G6 operates smoothly and safely.

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.

2009 Pontiac G6 Oil Leak Causes & Repair Costs | RepairPal