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What size socket is the oil drain plug on a Acura TL?

The oil drain plug on most Acura TL models uses a 14mm hex socket. This is the standard size across the TL’s production span (1999–2014), but you should verify on your specific vehicle by inspecting the plug head or consulting the owner's manual if you’re unsure.


Socket size across Acura TL generations


Common socket size by TL generation helps you choose the right tool for an oil change:



  • 1999–2003 TL (first generation): 14 mm hex drain plug

  • 2004–2008 TL (second generation): 14 mm hex drain plug

  • 2009–2014 TL (third generation): 14 mm hex drain plug


Across these generations, the drain plug head is typically a 14 mm hex, and the threads are commonly M14 x 1.5. Always confirm by inspecting the plug head or consulting the service manual for torque specs and washer requirements.


How to verify the size on your car


To ensure you use the correct tool for your specific TL, use these checks before applying force on the plug:



  • Inspect the drain plug head: a hex-shaped recess usually indicates a metric socket size; measure the across-flats distance if you’re unsure.

  • Consult the owner’s manual or service manual for the exact socket size and torque specification for your engine variant.

  • If the head doesn’t fit a 14 mm socket, do not force it. Verify with documentation or a dealer before trying alternative sizes.


When in doubt, refer to the official documentation or seek assistance from a qualified mechanic to avoid damaging the drain plug or oil pan.


Summary


For the Acura TL, the oil drain plug is typically driven with a 14mm hex socket across its major model years. Always verify with the plug head or the vehicle’s manual, and follow the specified torque and washer requirements when reinstalling.

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65MM
GENUINE HONDA ACURA OIL FILTER WRENCH 65MM 07AAA-PLCA100.



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Notes: Engine Oil Drain Plug. M14-1.5" Thread Size.



What size is the oil drain plug on a Acura TL?


The Acura TL oil drain plug is typically M14-1.50 with a 17mm head. This size is consistent across most recent model years, but it's always best to confirm for your specific vehicle. A 17mm socket wrench is the required tool for removing it, according to this YouTube video.
 

  • Thread Size: M14-1.50
  • Head Size: 17mm
  • Tool: 17mm socket

Important: If you are purchasing a new drain plug, many parts stores and websites will allow you to filter by your vehicle's specific year, make, and model to ensure you get the correct fit.



What size socket do I need to remove the oil drain plug?


The correct socket size for an oil plug depends on your car's make and model, as there is no single universal size. Common metric sizes include 14mm, 15mm, 17mm, and 19mm, while some older vehicles may use SAE sizes like 3/8" or 1/2". Always inspect the plug to confirm the size, as using the wrong socket can damage the bolt head. 
You can watch this video to learn how to change the oil in a Honda CR-V, including removing the drain plug: 1m1A Auto: Repair Tips & Secrets Only Mechanics KnowYouTube · Aug 13, 2018
How to find the right size

  • Check your owner's manual: This is the most reliable way to find the correct size for your specific vehicle. 
  • Inspect the plug: Visually examine the drain plug to determine its size. You can also measure it with a caliper if needed. 
  • Try common sizes: If you can't find your manual, start with common metric sizes like 14mm, 15mm, 17mm, or 19mm. 
  • Use the right socket type: A 6-point socket is recommended over a 12-point socket to prevent stripping the bolt head. 

This video demonstrates how to use a drain plug removal tool with a magnetic feature: 52sScavenger1320YouTube · Feb 23, 2024
Important tips
  • Use the correct socket: A well-fitting socket is crucial to avoid rounding the bolt head. 
  • Tighten properly: Do not overtighten the drain plug, as this can strip the threads. Tighten it to the manufacturer's specifications, or just snug it up if you don't have a torque wrench. 
  • Replace the crush washer: It is a good practice to replace the crush washer on the drain plug to ensure a proper seal. 


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.