What size is the axle nut on a 2002 F150?
The front axle hub nut on most 2002 Ford F-150 pickups is 36 mm in diameter (about 1.42 inches). However, variations exist based on drivetrain and axle configuration, so it’s important to confirm the exact size for your specific truck using the VIN and service data, or by measuring the nut directly.
Why the size varies
Ford used several front-axle designs in the 2002 F-150 range, including different hub assemblies and potential variations between two-wheel-drive and four-wheel-drive configurations. Because of these differences, the exact nut size you need can differ from one truck to another. Using the wrong socket can strip the nut or prevent proper installation.
Common scenarios
Below is a quick guide to sizes you’re likely to encounter. This list is informational and not a substitute for the exact specification on your vehicle’s data plate or service manual.
- 36 mm — the most common size for the front axle hub nut on the 2002 F-150 across many configurations.
- 32 mm — occasionally seen on older or non-standard hub assemblies; verify before forcing a socket on.
- 30 mm — a rare possibility for certain specialty axles; confirm with official sources if encountered.
Concluding: While 36 mm handles the majority of 2002 F-150 front hub nuts, variations exist. Always verify with your vehicle’s official service data or by measuring the nut to avoid damage.
How to verify the exact size on your vehicle
Use these steps to confirm the nut size before purchasing tools or attempting removal:
- Identify whether your truck is 2WD or 4x4, as some configurations use different hub designs.
- Consult the Ford Factory Service Manual or the official Ford parts catalog using your VIN to confirm the exact nut size and torque spec.
- Remove the front rotor or hub cover to visually access the axle nut flats, if needed.
- Measure across the flats of the nut with a caliper or caliper-style gauge to determine the diameter, or try the closest standard metric/SAE sizes if you don’t have a caliper.
- If you’re unsure, bring the nut or hub assembly to an auto parts store; they can match the size and confirm the recommended torque for your exact model.
Concluding: Verifying the correct axle nut size protects the hub and bearings during removal and reinstallation, and ensures you use the proper socket for service.
Summary
For a typical 2002 Ford F-150, the front axle hub nut is commonly 36 mm in diameter, but variations can occur based on drivetrain and axle design. Always confirm the exact size for your VIN-specific model via the service manual or by measuring the nut, and follow the manufacturer's torque specification during reassembly.
