Discovering noises from your auto frequently is never comforting, so discovering noises on your GMC Acadia suspensions when you go over a speed bump can be stressing. This symptom may be a sign of a small trouble as well as a warning of a much larger repair to come. In any case, it is important to check the source and take the necessary actions to solve the trouble, it is with this aim in mind that we wanted to write this content to support you see more clearly. We will first see the possible causes for a crack when the speed bump passes, then, what can be the reason of a squeaking noise when a speed bump is being passed and finally what to do if you have another noise when a speed bump is passed.
Suspension cracking noise GMC Acadia
Check GMC Acadia suspension
If you notice a suspension noise when you pass a speed bump on your GMC Acadia, and it is characterized by a “clack” or cracking, it is highly possible that your suspension block is the origin of it. In fact, it may be the suspension cups, which, when they are dead, have the rubber (silentblock) that acts as a buffer and shock absorber for the upper part of the suspension that no longer fulfils its role during small bumps that compress the suspensions. To check if this is the trouble that concerns you, take a dented road and focus on the noise coming from your front axle as you pass over holes. If it is indeed the cups, think of swapping them quickly or you may ruin other parts and have to make more important fixes.
Check the cardan shaft
If you are here because you have searched for “GMC Acadia suspension noise” and the suspension is not the cause of your problem, it may be that the cardan shaft is responsible. In fact, when the cardan bellows get out of date and the dirt/dust builds up inside them their working is deteriorated and it is possible to experience a noise when they are in torsion. To check this, you can try both types of torsion, first vertical with suspension compressions on the speed bump passages, and horizontal when you are going to turn at low speed. If it cracks in these two situations you should consider swapping it or them. If you have the feeling that this noise is more like a a loud noise on GMC Acadia, don’t hesitate to read this article.
Check steering hinges/stabilizer bar
Finally, when you experience a suspension noise when your GMC Acadia passes over a speed bumps, it is possible that the hinges or the stabilizer bar are responsible. Simply like the gimbals, the steering part is mobilized when you modify direction. If this is the situation, the parts that may have been affected by usual wear and tear or impacts (e. g. sidewalks). The steering hinges, the stabilizer bar hinges. can be the origins of your noises, to check it, put it under the automobile and apply twists on each of its components to check that there is no special play on one of them, they are meant to endure you quite strongly over their entire travel. Keep in mind to take your vehicle to your technician or swap them if they are involved.
squeaky noise speed bump GMC Acadia
Check the stabilizer bar
If, alternatively, you have a noise that is more like a squeak when you go over a speed bump with your GMC Acadia, it is possible that it is the stabilizer bar itself that is involved. In fact, abnormal/pronounced wear of the latter can cause irregular friction which can generate this squeaking noise. Bear in mind to check by going under your automobile the condition of the paint on your bar which will tell us if there is friction. Second possible point, it may be your stabilizer bar silentblocks that are dried out and cause noise, in which case take them off from the cradle and grease them, this should solve the trouble.
Check engine silentblocks
Finally, last possibility that we can check together, it is the engine silentblocks, in fact, these silentblocks work as pads/shock absorbers between the engine and the cradle of the auto, a evident weakness of these will create a subsidence and therefore a space between the engine and the silentblocks, it may happen that a squeaking noise happens when you pass a speed bumps or any holes with your GMC Acadia. To change them go to your mechanic.
Other speed bump noise GMC Acadia
If, despite all its assumptions, you still can’t uncover the origin of the noise your GMC Acadia makes when you pass a speed bump, we advise you to consult this article on a loud noise on GMC Acadia or to visit your technician in order to carry an in-depth check on your GMC Acadia and discover this trouble.
