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What size is the hub nut on a mk1 Ford Focus?

For most Mk1 Focus models, the front axle drive shaft hub nut is 30 mm across the flats, but some markets and years used a 32 mm nut. Always verify by checking the actual nut on your car or consulting the official service data for your exact vehicle.


Understanding the hub nut on the Mk1 Focus


The hub nut on a Mk1 Ford Focus secures the drive shaft to the wheel hub, helping keep the bearing and CV joint properly seated. It sits on the inboard end of the front driveshaft, behind the wheel and brake assembly, and its size can vary by market, year, and trim level. Correct sizing is important to ensure a proper fit with the socket and to avoid damaging the nut or threads.


Common hub nut sizes you might encounter


A quick guide to sizes you might encounter on Mk1 Focus front axles:



  • 30 mm across flats (the most common size for Mk1 Focus front hubs; typically uses a 6-point socket).

  • 32 mm across flats (found on some markets/years; verify on the actual nut).


In practice, most Mk1 Focus owners will encounter either 30 mm or 32 mm, depending on the exact vehicle configuration. Always confirm with the nut you remove or the official service documentation for your model year and market.


How to verify the correct size for your car


To ensure you have the correct nut size before buying a replacement or attempting removal, follow these steps:



  • Inspect the nut on the vehicle and measure the flats across with a caliper or ruler (in millimeters).

  • Consult the vehicle’s service manual or Ford’s parts catalog for your specific year, market, and VIN to confirm the exact size.

  • Cross-check with the part number on the original nut or the hub assembly diagram if available.

  • If replacing components, ensure any new nut matches the same size and is installed with the recommended torque and thread seal (per manual).


In doubt, contact a Ford dealer or a qualified mechanic with your VIN to obtain the exact specification for your car. Using the wrong size can strip threads or damage the hub.


When to seek professional help


If the nut is seized, if you are uncertain about the size, or if you are replacing the hub or driveshaft assembly, it’s wise to seek professional assistance. A trained technician can verify the size, perform the removal safely, and apply the correct torque specifications to prevent future problems.


Summary


The Mk1 Ford Focus typically uses a 30 mm hub nut on the front axle, with 32 mm appearing in some markets or years. Always verify by checking the existing nut or consulting the official service data for your exact vehicle configuration, and consult a professional if you’re unsure.

What size are the wheel nuts on a MK1 Ford Focus?


16 x M12 X 1.5 ALLOY WHEEL NUTS FORD FOCUS MK1 MK2 MK3. M12 X 1.5 Thread size. 19mm Socket size. Replace your old wheel nuts with these high quality nuts.



What size socket for Ford Focus wheel nuts?


The correct wheel nut socket size for a Ford Focus is 19mm. The lug nuts are also specified as having an M12x1.5 thread size. For best results, use a deep, 12-point, and quality-made socket to avoid damaging the nuts, especially if they are rounded.
 

  • Socket size: 19mm
  • Thread size: M12x1.5
  • Recommendation: Use a quality 19mm socket that fully fits the nut to prevent rounding. Avoid adjustable or shallow sockets.



What size socket for axle nut?


The size of the socket for an axle nut varies by vehicle, but common sizes are 30mm, 32mm, 35mm, and 36mm. It is essential to check your vehicle's specific manual for the correct size, as it can differ between models and may have been changed if the axle has been replaced. 

  • Common metric sizes: 30mm, 32mm, 33mm, 34mm, 35mm, and 36mm are frequently used, says JustAnswer, Reddit users, Parts Avatar, and Home Depot. 
  • How to be sure: The most reliable method is to consult your car's owner's manual or a repair manual specific to your make and model to confirm the correct size and torque specifications. 
  • Socket material: For high torque applications, such as loosening or tightening the axle nut, use a strong, impact-rated socket made from materials like chrome-molybdenum steel to avoid damage to the socket or the nut. 



What size is the rear axle nut on a 2001 Ford Focus?


Axle Nut for Ford Focus 2000-2011, Rear, 1 Piece, Hex, Stainless Steel, 1.25 inches, UNC, #10, Coarse, Right Hand.


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.