1998 Dodge Neon Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 1998 Dodge Neon and How to Fix Them Effectively

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Reviewed by
Andrew Hajjar
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 1998 Dodge Neon 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 1998 Dodge Neon 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.

What are the initial steps to diagnose the oil leak in a 1998 Dodge Neon?

To effectively diagnose an oil leak in your 1998 Dodge Neon, begin with a comprehensive visual inspection of both the engine and the vehicle's underside. Look for any signs of oil leakage, such as puddles or stains, particularly around common leak points like the oil pan, valve cover, and rear main seal. Next, conduct a top-down inspection, focusing on the valve cover and spark plug wells, as these areas often reveal leaks in gaskets. Afterward, move to the underside of the vehicle, using a jack for better access, and examine the oil pan and rear main seal for any oil residue. To help pinpoint the leak's location, place a piece of cardboard under the vehicle overnight to catch any drips. If the source remains elusive, consider cleaning the engine thoroughly at a car wash and running the engine to observe any emerging leaks. For smaller leaks, a powder or dye test can be effective; apply the substance to suspected areas and check for disturbances after running the engine. Pay special attention to common issues specific to Dodge Neons, such as the head gasket, rear main seal, oil pan, and cam position sensor O-ring, as these are frequent culprits of oil leaks. By following this structured approach, you can systematically identify and address the source of the oil leak in your vehicle.

What are the common causes of oil leaks in a 1998 Dodge Neon?

When dealing with oil leaks in a 1998 Dodge Neon, it's essential to understand the common culprits that may be at play. One of the primary sources is the head gasket, which can fail and lead to oil seeping down the back of the engine block. If you suspect this issue, it's advisable to check for warping and consider having the head planed if replacement is necessary. Another frequent offender is the rear main seal, which can cause significant leaks around the oil pan and back of the engine. Additionally, the cam position sensor seal is known to leak oil from the driver's side, while the valve cover gasket can also be a source of leakage, so inspecting these areas is crucial. Don't overlook the oil pan gasket, as damage to the oil pan itself can necessitate a gasket replacement. Lastly, ensure that the Positive Crankcase Ventilation (PCV) system is functioning correctly, as a malfunction here can lead to increased pressure and subsequent oil leaks. By systematically checking these components, you can effectively diagnose and address oil leaks in your Dodge Neon, saving time and money on repairs.

How urgent is it to address the oil leak in my 1998 Dodge Neon?

Addressing an oil leak in your 1998 Dodge Neon is of utmost urgency, especially if you are experiencing a significant loss of oil, such as one quart every 20-30 miles. Ignoring this problem can lead to severe engine damage, as running low on oil can cause critical components to overheat and fail. The risk of engine failure not only jeopardizes the vehicle's performance but also poses a safety hazard, potentially leading to accidents on the road. It is crucial to diagnose the source of the leak promptly, whether it be from the rear main seal, head gasket, or oil pan gasket, to prevent further complications. Additionally, if repairs require the removal of the transmission, consider this an opportune moment to address other maintenance needs, such as replacing the timing belt or water pump, which can save you time and money in the long run. Prioritizing these repairs will ensure the longevity and safety of your vehicle.

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