What size is the axle nut on a Dana 30?
The correct size isn’t universal; it depends on the exact Dana 30 variant installed in your vehicle.
The Dana 30 front axle has appeared in several Jeep models over multiple generations, and each configuration can use a different hub and axle-shaft retaining nut design. Because thread size and pitch can vary with year, model, and drivetrain setup, there isn’t a single answer that fits all Dana 30 axles. This article lays out how to determine the exact nut size for your specific setup and why it can differ.
Understanding the Variability of the Dana 30 Nut Size
The Dana 30 has undergone several generations and hub configurations. The nut that retains the axle shaft to the hub can differ in diameter, thread pitch, and mounting method depending on whether the axle uses a C-clip design, the bearing/seal arrangement, and the brake setup. Because of these differences, there is no one-size-fits-all axle nut for the Dana 30.
How to determine the correct size for your vehicle
To avoid guessing, use these steps to identify the exact axle nut size for your Dana 30:
- Identify your vehicle’s exact configuration (make, model, year) and the specific Dana 30 variant installed. Look up the factory service manual or official parts catalog for the correct nut size and torque specs.
- If the manual isn’t available, remove the wheel and hub cover to locate the retaining nut, then measure the threaded portion with calipers to determine the major diameter and thread pitch, or bring the nut to an auto parts store to match it.
- Prefer using OEM or factory-approved replacements to ensure proper fitment and to maintain any locking devices or washers that accompany the nut.
By identifying the exact variant and verifying the nut size (or measuring the existing nut), you’ll ensure you have the correct hardware for a safe repair or replacement.
Practical notes and safety
Work on a stable, raised vehicle with proper safety equipment. If you’re unsure, consult a professional mechanic. The hub assembly and axle nut are critical to wheel retention and proper bearing preload, so using the correct size and applying the proper torque is essential.
Summary: The Dana 30 does not have a single standard axle nut size. The correct size depends on your vehicle’s exact Dana 30 variant and year. Identify your model/variant, consult official manuals or measure the nut, and use OEM hardware to ensure a safe repair.
How much torque does a Dana 30 axle nut have?
Axle nut – 175ft/lbs.
What size socket for axle nut?
Axle nut socket - 33 mm - is used to remove and install axle nuts. OEMTOOLS is the leading manufacturer of specialty tools, equipment, and shop lighting - designed for the professional and DIY mechanic.
What size is the Jeep Wrangler axle nut?
Front Left or Right Axle Shaft Nut; Fits Both Dana 30 and Dana 44 Front Axle; M24 x 2.0 Threads; 36mm Hex.
Is there a Dana 30 rear axle?
Dana 30 solid axles
This axle was only made for the rear of vehicles. Full floating and semi floating variations were produced.
