How much torque do you put on wheel bearings?
They’re snugged up with no more than 15 to 20 ft. lbs. of torque while rotating the wheel to make sure the bearings are seated. The adjustment nut is then loosened 1/6 to 1/4 turn, and locked in place with a new cotter pin.
When to use a new wheel bearing torquing nut?
This is typically when a one-time-use, self-staking nut secures the hub. In these applications, a new nut must always be used when installing a hub. Reuse of the old nut could potentially cause the nut to loosen during vehicle operation. Clean and inspect the axle shaft prior to installing a new hub assembly.
Where can I find the torque specification guide?
Ensure that you have the correct torque for the application by referring to SKF 457377 torque specification guide or contact the vehicle manufactures dealer. It is important that you properly torque the spindle nut to ensure optimum bearing life. Under torque of an axle nut will allow excessive movement causing uneven loading and excessive wear.
What is the torque of a hub nut?
First design nut (Pac-style nut painted black) 284 ft-lbs/385 Nm;second design nut (solid gray nut), 173 ft-lbs/235 Nm. [5] Tighten nut to specified value and tighten further to align cotter pin with hole. [6] Install and tighten new front axle wheel end nut to specification in a continuous rotation.
What is the lug nut torque?
Lug nut torquing is expressed in foot-pounds. Use torque sticks with an air gun or a torque wrench to get the correct torque. If your studs or lug nuts are sized between 12 X 1.25mm to 1.5mm or are 7/16-inch, torque the nuts to 70 to 80 foot-lbs; 14 X 1.25mm to 1.5mm, to 85 or 90; 1/2=inch 75 to 85; and 9/16-inch 135 to 145.
How do you adjust front wheel bearings?
Put one hand on each side of the front wheel hub and push it back and forth between the forks. Noticeable lateral movement signifies the need to adjust the preload. Before making adjustments, spin the wheel easily and let it rotate. Ideally, the wheel should slow and stop in a relatively short time.
What is bearing torque?
Bearing Torque. Bearing torque is the moment required to overcome internal friction to start or maintain rotation of one ring while the other is stationary.
What is the torque spec for the axle?
The front axle nut torque spec is considerably lower than the rear axle nut. The factory service manual lists the front axle torque spec as 70 to 75 foot pounds . We would always suggest reaching for the higher number on a larger fastener such as this. The front axle nut is metric. Use a twenty four millimeter socket with a reliable torque wrench.