Do you notice an engine noise on your Audi S4 while driving? We can understand that this is very disturbing and that you are wanting to know. Discovering such a noise is not always a good sign, but it may also be nothing serious. To support you resolve this problem, our team has made a decision to produce this content page to assist you in this investigation. In order to carry out this research as accurately as possible, we will first concentrate on clicking noises, then on whistling noises and, finally, on engine noises on Audi S4 metal type.
I notice a clicking engine noise Audi S4
In case you experience a clicking engine noise on your Audi S4, and that this noise is close to a click, you will have to find the source area of it to be able to know the trigger of it. You will need a mechanical stethoscope or a large screwdriver to locate the original area of these noises.
I notice a clicking noise coming from my high engine
If you notice an engine noise on Audi S4, and this noise is located at the top of the engine, it means that it is located at your cylinder head and accompanying components. Two components can be the origins of these engine noises on Audi S4. Either the hydraulic pushers, in general it is because of their faulty “hydraulic catch-up” system that we will notice these clicking noises, often when cold and goes away when hot. Otherwise, it is your the play of your rocker arms or their state of wear that is the issue. In such a case, reflect on changing them.
I notice a noise coming from the bottom engine of my Audi S4
If you have established the region of source of engine noise on Audi S4 that comes from your low engine, it may be that your rods or piston shafts are the causes. In both circumstances, the long-term risk is engine failure. These two fixes are very complicated and most mechanics will advise you to change the motor of your Audi S4.
I notice an engine clicking noise on Audi S4 coming from combustion
Finally, if you have the feeling that this clicking noise is relating to the combustion of your engine, there are three plausible causes of it. Verify the condition of your glow plugs which if worn can hinder the proper combustion of the fuel mixture. Then, your timing belt may be shifted and may poorly control the timing of the various engine parts to provide good combustion. And finally, the most classic trigger, comes from your injection, which is either clogged or one or more injectors is injured. In this case, do not hesitate to read this content page which deals in detail with the several injector noises on Audi S4.
Hissing noise / engine friction Audi S4
Engine noise Audi S4 close to a bearing
If it is close to a squeaking noise you may have one of the bearings of your engine accessory parts that are reached. So verify the condition and try to find the exact origin of this noise by positioning someone at the engine at idle, and if this noise is more likely to appear in high rpm, accelerate and position someone at the engine block to determine the area of origin of the noise. The three components whose bearings are often at the origin of these noises are the water pump, the injection pump and the oil pump.
Engine noise Audi S4 when releasing or depressing the clutch
In the case that you pay attention to engine noise on Audi S4, but this noise happens mainly when you release or depress your clutch pedal, in this instance it is very likely that your release bearing is worn. Indeed, a worn release bearing will make a noise close to a bell noise. To have more information about this noise and if you have managed to confirm that the release bearing is indeed the trigger of your concerns, direction here, to find a complete file on release bearing sounds on Audi S4.
Engine noise Audi S4 close to a friction
In the case that you notice a motor noise on your Audi S4, and, that this noise is close to a friction, it is likely that one of your belts or one of the parts that causes it is the source of your concerns.Often, we will start to notice a motor noise on Audi S4, close to a friction when one of the belts is worn out or when one of the related parts like your alternator, or your tensioner roller is the problem. So please remember to verify their condition and go to your auto technician to replace the components in question. If you have been able to target the noise as coming from the belts and you want more information about it, check this content page on belt noise on Audi S4 for a complete guide.
Metal motor noise Audi S4
In the case that you notice an engine noise on Audi S4 and this noise is similar to metal noise, it is plausible that this noise comes from your gearbox or clutch. Indeed, a metallic noise in the engine block is often associated with damaged sprockets. Try to verify that this noise comes from the transmission, if this is the case, as soon as possible go to your mechanic or you would get a break down. Finally, the second possibility is that your silent engine blocks or rubber mounts may be dead. This causes a metallic noise every time your engine moves, either because of a change of pace (acceleration or braking) or, when you drive on roads in poor condition. Verify the condition of your silentblocks and replace them if needed. If you want to have more information about rubber mounts noises on Audi S4, examine this content page which gives you more information about the several types of noise and their origins.
