1991 Acura Integra Is Leaking Oil

Discovering the Causes of Oil Leaks in Your 1991 Acura Integra and How to Fix Them Effectively

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Reviewed by
Devin Cabugcal
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 1991 Acura Integra 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 1991 Acura Integra 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.

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 1991 Acura Integra?

To effectively diagnose an oil leak in a 1991 Acura Integra, start with a systematic approach that prioritizes simplicity before delving into more complex methods. Begin by locating the leak; check beneath the vehicle for any visible oil drips or pools, which can provide immediate clues. Next, inspect the engine itself for oil stains or residue, particularly around the valve cover, oil pan, and oil filter, as these are common leak points. It's also crucial to check the oil level in the engine; a significant drop may indicate a leak that needs addressing. Pay close attention to the oil filter and drain plug, ensuring they are securely tightened, as loose components can easily lead to leaks. Additionally, examine gaskets and seals for signs of wear or damage, which could be the source of the problem. If the leak remains elusive, consider using UV dye in the engine oil, running the engine, and then employing a UV light to pinpoint the leak's origin. Should these steps not yield results, consulting a professional mechanic is advisable for a thorough diagnosis and repair. This methodical approach not only helps in identifying the issue but also empowers DIY enthusiasts to tackle the problem effectively.

What are the common causes of an oil leak in a 1991 Acura Integra?

When tackling oil leaks in a 1991 Acura Integra, it's essential to understand the common culprits that may be at play. One frequent source is the crank pulley, which can develop leaks over time, particularly in this model's generation. Additionally, the oil pressure sensor is known to fail, leading to oil seepage during regular engine operation. Another common issue arises from the valve cover gasket, which can deteriorate and allow oil to escape from the front of the valve cover, trickling down the cylinder head. The oil pan gasket is also a potential leak point, especially if it has been compromised due to age or improper installation during maintenance. General wear and tear on various seals and gaskets can exacerbate the problem, making it crucial to inspect these components regularly. By being aware of these common causes, DIYers can take proactive steps to identify and rectify oil leaks, ensuring the longevity and performance of their Acura Integra.

How urgent is it to address the oil leak in my 1991 Acura Integra?

Addressing an oil leak in your 1991 Acura Integra is not just a matter of routine maintenance; it is a pressing issue that requires immediate attention. Ignoring 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, 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, leaving you with a hefty repair bill. Additionally, the safety implications of an oil leak cannot be overlooked. Oil dripping onto hot engine parts poses a serious fire hazard, putting both you and your vehicle at risk. Therefore, it is crucial to act swiftly and address any oil leaks to maintain the integrity of your engine and ensure your safety on the road.

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1991 Acura Integra Oil Leak Causes & Repairs | RepairPal