What is function of steering knuckle?

In automotive suspension, a steering knuckle or upright is that part which contains the wheel hub or spindle, and attaches to the suspension and steering components. Note the arm of the knuckle that sticks out, to which the steering mechanism attaches to turn the knuckle and wheel assembly.

Can you drive with a bad steering knuckle?

A broken steering knuckle is unsafe to drive on at all. It needs immediate replacement. With the right tools and a comprehensive tutorial you should be able to replace it in a matter of two or three hours.

How do you know if you have a bent steering knuckle?

Look for signs of flaking coatings or corrosion on the steering knuckle with an LED flashlight. When a cast part is bent, it may disturb and loosen any coatings or corrosion that have built up on the part. Minor damage may not show visible signs and will require measuring.

How much does it cost to replace a steering knuckle?

The average cost for steering knuckle replacement is between $672 and $716. Labor costs are estimated between $167 and $211 while parts are priced at $505. This range does not include taxes and fees, and does not factor in your specific vehicle or unique location. Related repairs may also be needed.

Can a steering knuckle bend?

Due to their size and design, even when they are bent, it is not typically obvious. Steering knuckles are heavy cast parts made of steel or aluminum. They are not repairable and should be replaced if damaged.

What causes steering knuckle to break?

When you hit a pothole, the steering knuckle can bend and cause problems with the wheel alignment, and the ball joint can break or rupture. The strut assembly is comprised of a shock absorber running through the center of a coil spring.

When should a steering knuckle be replaced?

In the case of the front wheels, knuckles hold the track rod ends. A knuckle may be equipped with a bearing or have a hub attached to it. A knuckle should be replaced if damaged as a result of an accident or impact.