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What size are the wheel nuts on a MR2?


When it comes to maintaining or repairing your Toyota MR2, knowing the correct specifications for components like wheel nuts is essential. Whether you're replacing a tire, upgrading your wheels, or simply performing routine maintenance, understanding the size of the wheel nuts ensures a safe and proper fit.


Standard Wheel Nut Size for Toyota MR2


The Toyota MR2, across its various generations, typically uses wheel nuts with the following specifications:



  • Thread Size: M12 x 1.5 (12mm diameter with a 1.5mm thread pitch)

  • Hex Size: 21mm or 19mm, depending on the specific model and aftermarket modifications

  • Seat Type: Conical (tapered) seat, which is standard for most Toyota vehicles


These specifications are consistent with many Toyota models, but it's always a good idea to double-check your owner's manual or consult a trusted mechanic to confirm compatibility, especially if your MR2 has aftermarket wheels.


Why Knowing the Correct Wheel Nut Size Matters


Using the correct wheel nut size is crucial for several reasons:



  • Safety: Incorrectly sized wheel nuts can lead to improper torque, which may cause the wheel to loosen or fail while driving.

  • Performance: Properly fitted wheel nuts ensure optimal wheel alignment and performance.

  • Preventing Damage: Using the wrong size can damage the wheel hub, studs, or the wheel itself.


By ensuring you use the correct wheel nut size, you can avoid costly repairs and maintain the safety and performance of your MR2.


Tips for Replacing or Checking Wheel Nuts


Here are some tips to keep in mind when working with wheel nuts on your Toyota MR2:



  • Use a Torque Wrench: Always tighten wheel nuts to the manufacturer's recommended torque specification to avoid over-tightening or under-tightening.

  • Inspect Regularly: Check the condition of your wheel nuts periodically for signs of wear, rust, or damage.

  • Replace in Sets: If one wheel nut is damaged, consider replacing the entire set to ensure uniformity and safety.

  • Aftermarket Wheels: If you have aftermarket wheels, verify the required wheel nut specifications, as they may differ from the factory settings.


Following these tips will help you maintain your MR2's wheels and ensure a smooth and safe driving experience.


Conclusion


In summary, the Toyota MR2 typically uses M12 x 1.5 wheel nuts with a conical seat and a hex size of 21mm or 19mm. Always verify the specifications for your specific model and any aftermarket modifications. Proper maintenance and attention to detail will keep your MR2 running safely and efficiently for years to come.


Frequently Asked Questions

What size are the wheel nuts on a Toyota MR2?


12x1.5
Wheel Nuts (16) 12x1. 5 Flat Black for Toyota MR2 [Mk3] 99-07 on Original Wheels.



Is 13 16 the same as 21mm?


Standard-to-Metric Conversion Chart

SAE SizesMetric Sizes
25/32"
20mm
13/16"
21mm



Is 19mm the same as 3/4?


A 19 mm socket is 0.002 inches (two thousandths of an inch) smaller than 3/4 inch.



What size are VW wheel nuts?


Original VW wheel bolts, dimensions M14x1. 5x27, fit almost all original VW steel and aluminium wheels, e.g. Golf 4, Golf 5, Golf 6, Passat 3B/3BG, Passat 3C, Polo 9N, Polo 6R, Touran, Jetta, Bora, Fox.



What is the standard TYRE size in MR2?


In 1993, the MR2 moved to 15" wheels and fitted 195/55-15 Tyres on the front and 225/50-15 Tyres on the rear. The MR2s from 1998-2002 fitted 185/55 - 15 on the front and 205/50 - 15 on the rear. The MR2s from 2003 onwards moved to 16" wheels on the rear, fitting 215/45 R 16 tyres.



What size are my wheel 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 is a wheel nut socket?


Sizes: 18.5, 19.5mm single Hex (6pt) x 1/2"D x 78mm long. Thin walled sockets with protective sleeve to prevent damage to alloy wheels.



Are all VW wheel bolts the same?


There are many different combinations of VOLKSWAGEN locking wheel bolts available. Each locking wheel bolt has a different keyed pattern on the head of the bolt which the matching locking wheel nut key fits into.



What size socket is a Toyota wheel nut?


What are Toyota Lug nuts sizes? The lug nuts on a Toyota vehicle are metric and 21mm in size. You can use a 13/16″ socket to fit them, but only if the tin cover is not damaged or bent. The thread size of the lug nuts on a Toyota Camry is M12 x 1.5, and the center hole size is 60.1 mm.



What size socket takes off lug nuts?


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.


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.