Hearing noises from your automobile regularly is never comforting, so hearing noises on your Nissan NV suspensions when you go over a speed bump can be worrying. This symptom may be a sign of a small trouble as well as a warning of a much larger repair to come. Whatever the case, it is important to check the source and take the necessary actions to resolve the trouble, it is with this objective in mind that we wanted to write this article to help you see more clearly. We will first see the possible causes for a crack when the speed bump passes, after that, 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 Nissan NV
Check Nissan NV suspension
If you experience a suspension noise when you pass a speed bump on your Nissan NV, and it is categorized by a “clack” or cracking, it is highly plausible that your suspension block is the origin of it. Indeed, it may be the suspension cups, which, when they are out of date, have the rubber (silentblock) that acts as a buffer and shock absorber for the upper part of the suspension that no longer fulfils its job during small bumps that compress the suspensions. To examine if this is the trouble that concerns you, take a dented road and pay attention to the noise coming from your front axle as you drive over holes. If it is indeed the cups, think of changing them fairly quickly or you may affect other parts and have to make more important vehicle repairs.
Check the cardan shaft
If you are here because you have searched for “Nissan NV suspension noise” and the suspension is not the cause of your problem, it may be that the cardan shaft is responsible. Indeed, when the cardan bellows get old and the dirt/dust builds up inside them their working is degraded and it is possible to experience a noise when they are in torsion. To examine 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 make a 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 Nissan NV, don’t hesitate to check out this content.
Check steering hinges/stabilizer bar
Finally, when you experience a suspension noise when your Nissan NV 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 adjust direction. If this is the case, the components that may have been damaged by regular wear and tear or impacts (e. g. sidewalks). The steering hinges, the stabilizer bar hinges. can be the origins of your noises, to examine it, place it under the automobile and apply twists on each of its components to examine that there is no particular play on one of them, they are meant to endure you quite strongly over their entire travel. Please remember to take your Nissan NV to your auto mechanic or swap them if they are involved.
squeaky noise speed bump Nissan NV
Check the stabilizer bar
If, however, you have a noise that is more like a squeak when you go over a speed bump with your Nissan NV, it is plausible that it is the stabilizer bar itself that is concerned. Indeed, abnormal/pronounced wear of the latter can cause uncommon friction which can provoke this squeaking noise. Remember to examine by going under your automobile the condition of the paint on your bar which will tell us if there is friction. Second plausible explanation, 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 point that we can examine together, it is the engine silentblocks, actually, these silentblocks act as pads/shock absorbers between the engine and the cradle of the automobile, a noticable fatigue of these will create a subsidence and therefore a space between the engine and the silentblocks, it may happen that a squeaking noise comes up when you pass a speed bumps or any holes with your Nissan NV. To swap them go to your mechanic.
Other speed bump noise Nissan NV
If, despite all its assumptions, you still can’t uncover the origin of the noise your Nissan NV makes when you pass a speed bump, we suggest you to refer to this article on a loud noise on Nissan NV or to visit your auto mechanic in order to carry an in-depth check on your Nissan NV and discover this trouble.
