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Does the Prado front axle oil need to be replaced?

1 Answers

DeJasmine

07/30/25 9:33am

The Prado front axle oil needs to be replaced. The front axle is mostly a driven axle, also known as a steering axle, and is generally distributed at the front end of the vehicle, hence the name front axle. It is connected to the steering system via the steering knuckle, allowing the steering force output from the steering gear to be transmitted to the wheels to achieve vehicle steering. The components of the front axle are as follows: 1. Front Axle Beam: As the main component, the front axle beam is usually made of medium carbon steel through die forging and heat treatment. Its cross-section is I-shaped, or to improve torsional strength, there is a thickened, fist-shaped section near each end with a through hole where the kingpin is inserted. The middle part is bent downward into a concave shape to lower the engine position, thereby reducing the vehicle's center of gravity. 2. Steering Knuckle: This is the hinge for wheel steering and is a forked component. The upper and lower forks have coaxial holes for mounting the kingpin, and the steering knuckle spindle is used to mount the wheel. The ears of the steering knuckle's pin holes are connected to the fist-shaped parts at both ends of the front axle beam via the kingpin, allowing the front wheels to pivot around the kingpin for steering. 3. Kingpin: This connects the front axle beam and the steering knuckle, allowing the steering knuckle to pivot around the kingpin for wheel steering. The middle of the kingpin has a groove, and during installation, a kingpin fixing bolt engages with this groove to secure the kingpin in the fist-shaped hole of the front axle beam. 4. Wheel Hub: The wheel hub is supported on the spindle at the outer end of the steering knuckle via two tapered roller bearings. The bearing tightness can be adjusted with an adjustment nut (located at the outer end of the bearing). The outer end of the hub is covered with a pressed metal cap, and the inner end is equipped with an oil seal. The brake backing plate and dust shield are both fixed to the steering knuckle.

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