2017 Ford F550 Rear Axle Nut Torque Spec (2024)

FAQs

What is the torque spec for the rear axle nut on a 2012 Ford f550? ›

To adjust the bearings, tighten the nut to 70 ft. lbs. (95 Nm).

On some wheel bearings sets and hub units, the axle nut secures the outer flange to a CV joint or stub axle. As the nut is tightened, it pulls the flange and axle together to set the preload of bearings. These axle nuts will have specifications as low as 130-foot pounds and as high as 300-foot pounds.

F-550 trucks started using the S-110 axle effective with the 2005 model year instead of the oversized for the application, Dana S-135 that equipped 1999-2004 era 1-1/2 ton F-550 models.

They'll tell you that the standard powertrain of the 2023 Ford F-550 is a 7.3-liter OHV PFI V8 engine that is capable of providing drivers with 225 horsepower and 468 lb-ft of torque, plus a 10-speed TorqShift® automatic transmission.

Avoid Overtightening – Use the Right Tool

Many technicians use an impact gun when installing an axle nut on a wheel hub bearing which not only overtightens the bearing but can also cause premature wear to the hub assembly. MOOG recommends using a torque wrench to tighten the axle nut accurately.

The nut should be tightened to 174 ft-lb of torque.

By definition, torque refers to the amount of rotational force at the point of application. When attaching a wheel to a vehicle, torque specifications are the amount of force recommended on the hardware to ensure proper installation.

The Chevrolet Silverado/GMC Sierra 3500, Ford F-350, and Ram 3500 are known as "one ton" pickups. Similar schemes exist for vans and SUVs (e.g. a 1-ton Dodge Van or a 1⁄2-ton GMC Suburban), medium duty trucks (e.g. the 1 1⁄2-ton Ford F-550) and some military vehicles, like the ubiquitous deuce-and-a-half.

Here's a quick look at the basic differences between these two models: The F-450 is available as a pickup truck or a customizable chassis cab. The F-550 does not have any pickup configurations. If you're definitely looking for a chassis cab model, you should know that the F-550 can tow and haul more than the F-450.

2022 Ford F-550 Weight & Payload Capacity

With the 7.3L gas engine, the F-550 has a base curb weight of 6,641 pounds. With the 6.7L diesel, curb weight starts at 7,390 pounds.

What is the torque for tightening wheel nuts? ›

Typically, thru axles should be tightened to 12-15Nm (Newton Meters) of torque. This is just enough torque to secure the axle so it does not come loose while riding. You should never tighten your axle as tight as possible.

The nut should be tightened to 174 ft-lb of torque.

OP, Ford torque spec for all Dana Axle/Housings pinion nut is 440-500 lb-ft.