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Kingpin for cars: find out more! How to choose, when to change , and how much they cost

Stub axle pin is a metal rod that performs the function of the rotary axis of the controlled wheel.

Construction of stub axle pin

Construction of the part includes following elements:

• grease chamber;
• bush;
• thrust bearing;
• cover;
• wedge pin.

Steering knuckle is connected to the suspension with a help of the stub axle pin. Bush and bearing are lubricated with grease coming from the parts from the grease chamber located in the upper part of the stub axle pin. There are special grooves on the pin, along which the grease flows down to the bearing.

Operating tips on stub axle pin

Part service life depends on car operation specifics and driving style. Stub axle pin may serve faultlessly for 100,000 operational kilometers or may break down after 30,000 km. At the appearance of faults signs, you should perform diagnostics of the part. To do this, you need to check the steering knuckle for free play.

Defects of stub axle pin

• service life ending;
• corrosion.
• incorrect inclination angle of the part;
• free play;
• jamming of the component.

Signs of stub axle pin defects

• failure of wheel alignment, and accelerated tyres wear;
• knock in suspension;
• handling worsening.

Causes of stub axle pin defects

• insufficient grease amount;
• poor quality;
• influence of water and dirt from the road surface.
• collision impact damage.

Replacement of stub axle pin

The part needs to be replaced at significant wear-out or mechanical damage. With specific experience and technical knowledge the installation of new part can be performed without the assistance of technicians. However, the installation of the stub axle pin is quite a laborious process. Special tools and equipment will be required for this procedure performing. If you don't have confidence that you will be able to properly install the new part, ask the service station professionals for help.

AutoDoc professional assistance

Our company offers high-quality components at affordable prices. In AutoDoc online-shop you can buy stub axle pin which will serve long. The convenient interface of the website will help you to easily find required component, and you will be able to repair your favourite car as fast as possible thanks to quick delivery.