Discovering a mysterious noise from your vehicle does not tend to reassure, and although it could be nothing major, it is also conceivable that it is an indication of an important breakdown on approach. Identifying a noise coming from the rear end of your Buick LaCrosse may signal a trip to your mechanic sometime soon, like just a rock in the tread of a car tire. To help you discover the causes, our team has produced this document which should help you to see more clearly. First, we will see what the different noises and problems connected to your Buick LaCrosse rear end noise are, and second, what your solutions are if the problem is not included in this list.rear-end-noise-buick-lacrosse

Parts that can trigger noise in the rear end of my Buick LaCrosse

Rear end loud noise Buick LaCrosse

If you find a loud noise on the rear end of your Buick LaCrosse, it may be connected to your wheels. In fact, the wheels can be at the source of this vibration. Two options are then possible, first of all, wheel balancing may be defective (loss of lead weight which fulfils this role), which contributes to an imbalance in the wheel’s logical path and therefore its vibration. To examine this, look at look at the presence of your balancing seals on your rims. Finally, it is also conceivable that a deformed or pre-used tyre may have the same types of symptoms and triggers this rear end lound noise on your Buick LaCrosse. The deformation of a tyre, following an impact for example, will cause it to stick poorly to the ground and therefore noise will appear. In any case, keep in mind to verify the tread and sidewall of your tires. Another possibility is that your exhaust pipehas a hole in it or a collar has become loose. Keep in mind to go under your Buick LaCrosse while the engine is running and verify the sound of your exhaust pipe to discern possible exhaust gas leaks. If you find out of a loud noise but the cause is not present here, we suggest that you go through this document about loud noise on Buick LaCrosse, which could give you more ideas.

Rear end noise slamming Buick LaCrosse caused by your suspension

If you experience a clicking noise on the rear axle of your Buick LaCrosse, it is conceivable that the suspension part of your vehicle may be damaged. In fact, when the steering unit of your vehicle is activated, the damping unit of your vehicle may be the cause of the problem. In fact, it is not extraordinary for the shock absorber cup to be out of order or for the shock absorber bearings to be out of order. Keep in mind to verify the condition of these two units. For more details, browse our article on suspension noise on Buick LaCrosse.

Squeaky noise rear end Buick LaCrosse coming from your bearings

A squeaking noise in the rear end of your Buick LaCrosse can also derive from precipitate wear of your bearings. In fact, bearings have a significant role in the proper handling of the vehicle while driving. When you turn strongly, at high or low speed and bring the direction to a stop, the pressure applied on the bearings is higher than if you turn slowly, it can create sounds close to a creaking sound if they are worn. Keep in mind to verify their condition. If you want more details about bearing noise on Buick LaCrosse, it’s here.

What if I still haven’t resolved the rear end noise of my Buick LaCrosse

If you still haven’t found a remedy despite the different possibilities described here and the noise from the rear end of your Buick LaCrosse persists, it is conceivable that the problem is connected to other mechanical units and that this failure is less common. Feel free to browse this article on suspension noise on Buick LaCrosse which will eventually give you other ideas to help you solve your problem. Do not leave this problem lying around in any case and take your car to your mechanic to preserve your vehicle and your safety.