2021 Toyota Tacoma Is Leaking Oil

Discover the Common Causes of Oil Leaks in Your 2021 Toyota Tacoma 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 2021 Toyota Tacoma 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 2021 Toyota Tacoma 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 steps should I take to diagnose the oil leak in my 2021 Toyota Tacoma?

To effectively diagnose an oil leak in your 2021 Toyota Tacoma, begin with a systematic approach that prioritizes simpler checks before delving into more complex issues. Start by locating the leak; inspect the ground beneath your vehicle for any signs of oil pooling or dripping. Once you have a general area, focus on the oil pan, as it is a common source of leaks. Look for any visible cracks, damage, or loose bolts that may be contributing to the problem. Next, examine the oil filter to ensure it is properly installed and not leaking; if necessary, tighten or replace it. Don’t overlook the oil drain plug, which should be securely fastened to prevent leaks. Additionally, inspect the gaskets and seals around critical engine components, as worn or damaged gaskets can lead to oil seepage. Throughout this process, keep an eye on your oil levels, as a significant drop may indicate a leak. If these steps do not reveal the source of the leak, or if the issue persists, it may be time to consult a mechanic for a professional evaluation. This methodical approach not only helps in identifying the leak but also ensures that you address the simplest issues first, potentially saving time and money.

What are the common causes of oil leaks in a 2021 Toyota Tacoma?

When diagnosing oil leaks in a 2021 Toyota Tacoma, it's crucial to understand the common culprits that may be at play. One frequent issue is a degraded or damaged oil pan gasket, which can wear out over time and lead to leaks. Additionally, a faulty or improperly installed oil filter can also result in oil seeping from the engine, making it essential to check this component during inspections. Another area to consider is the valve cover gasket, which can deteriorate with age, causing oil seepage that may not be immediately visible. Furthermore, a loose or damaged oil drain plug can create a significant leak, so ensuring it is secure is vital. Lastly, keep an eye on oil seals, such as those around the camshaft or crankshaft, as cracks or wear can lead to leaks as well. By being aware of these common issues and conducting regular maintenance, you can effectively manage and resolve oil leak problems in your Tacoma, ensuring its longevity and performance.

How urgent is it to address the oil leak in my 2021 Toyota Tacoma?

Addressing an oil leak in your 2021 Toyota Tacoma is not just a matter of routine maintenance; it is a pressing issue that demands immediate attention. An oil leak can compromise the engine's lubrication system, leading to increased friction among moving parts, which can result in severe engine damage over time. Moreover, neglecting this issue can cause a drop in oil pressure, heightening the risk of engine overheating and potentially culminating in catastrophic engine failure. The safety implications are equally concerning, as leaking oil can drip onto hot engine components, creating a fire hazard. By promptly addressing an oil leak, you not only safeguard your vehicle's performance and longevity but also ensure your safety on the road. Therefore, if you notice any signs of an oil leak, it is crucial to take action without delay to prevent further complications and maintain the reliability of your Tacoma.

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