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What size are the lug nuts on a Chevy Impala?

The standard lug nut size for a Chevy Impala is 14mm. This size is used across most Impala models, regardless of the year or trim level. The lug nuts are responsible for securely attaching the wheels to the vehicle's hubs, so it's important to use the correct size when changing a tire or performing other wheel-related maintenance.


Detailed Lug Nut Size Information


The Chevy Impala has used the 14mm lug nut size consistently since the model was first introduced in 1958. This size has remained the same through the various generations and redesigns of the Impala over the decades. Regardless of whether you have an older classic Impala or a more modern version, the lug nuts will be 14mm.


It's worth noting that while 14mm is the standard, there may be some rare or specialized Impala models that use a different lug nut size. However, this is uncommon, and the vast majority of Impalas will require 14mm lug nuts.


Importance of Using the Correct Lug Nut Size


Using the proper lug nut size is crucial for the safety and performance of your Chevy Impala. Lug nuts play a vital role in securely attaching the wheels to the vehicle, and if they are the wrong size, it can lead to a number of issues:



  • Wheels may become loose or detach while driving, posing a serious safety hazard.

  • Improper fit can cause the lug nuts to become damaged or stripped, making it difficult to remove or tighten the wheels.

  • Incorrect lug nut size can lead to uneven wear on the wheel bearings and other suspension components.


To ensure the safety and longevity of your Chevy Impala, it's essential to always use the correct 14mm lug nuts when servicing the wheels.

How do I find out the size of my lug nuts?


Most manuals will specify the size and type of lug nuts required for the vehicle. But if you don't have access to your owner's manual, you can check the side of the wheel nut to see if the size is imprinted on it. That's most common for nuts that have a chrome cap fitted over the lug nut, but it's a possibility.



What size socket is my lug nut?


If the question “what size of sockets for lug nuts should I use” comes to your mind; the most common socket sizes for lug nuts are 17 mm, 19 mm, 21 mm, and 22 mm, all available at Olsa Tools. The 11/16-inch, 3/4-inch, 13/16-inch, and 7/8-inch SAE socket sizes also are fairly common.



What size are lug nut screws?


The most common thread sizes are 10mm, 12mm, 14mm, 7/16″, 1/2″, 9/16″, 5/8″. You can find most factory stud sizes in your vehicle owner's manual or you can use online guides.



What is a lug nut key?


They are like regular lug nuts but have a cut out in them and need a key to be removed. Each set of wheel locks have their own key. They are used to deter criminals from stealing your wheels. The key usually comes in a set which can be found with the spare tire or sometimes in the glove box.



What do I do if I lost my lug nut key?


Purchase a new key. This is sometimes the easiest option although it can sometimes be expensive. However if you'd like to use the original locking wheel nut set you'll need to buy a new locking wheel nut key. Each key comes with a code so you can order a replacement from the vehicle manufacturer.



Can you get a lug nut off without the key?


And place the driver over the extractor. And Hammer that extractor bit as deep into the hole as you can until it bottoms out then. Get a torque wrench set to 110 foot-pounds. And loosen the extractor.



What size socket is a 2010 Chevy Impala lug nut?


M12x1. 5 Bulge Acorn Wheel Lug Nut (3/4" Hex - Conical Seat)



What size is a Chevy lug nut?


The most common metric size of a Chevy Silverado lug nut is M14x1. 5mm. The easiest way to find the correct thread size is in your owner's manual. It is also a good idea to take another matching lug nut to a tire shop and match it up by threading it on.


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.