Do you acknowledge an engine noise on your Mercedes Benz GL Class when you drive your automobile? We understand that this is very disturbing and that you are questioning. Finding out such a noise is not always a good signal, but it may also be nothing serious. To help you remedy this problem, our team has decided to write this article to help you in this research. In order to accomplish this research as accurately as possible, we will first concentrate on clicking noises, then on whistling noises and, finally, on engine noises on Mercedes Benz GL Class metal type.
I acknowledge a clicking engine noise Mercedes Benz GL Class
In case you acknowledge a clicking engine noise on your Mercedes Benz GL Class, and that this noise is close to a click, you will have to establish the source spot of it to be able to know the reason of it. You will need a mechanical stethoscope or a large screwdriver to locate the original area of these noises.
I acknowledge a clicking noise coming from my high engine
If you acknowledge an engine noise on Mercedes Benz GL Class, and this noise is located at the top of the engine, it means that it is located at your cylinder head and accompanying elements. Two elements can be the causes of these engine noises on Mercedes Benz GL Class. Either the hydraulic pushers, generally it is because of their defective “hydraulic catch-up” system that we will acknowledge these clicking noises, often when cold and disappears 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 acknowledge a noise coming from the bottom engine of my Mercedes Benz GL Class
If you have distinguished the location of source of engine noise on Mercedes Benz GL Class that comes from your low engine, it may be that your rods or piston shafts are the causes. In both cases, the long-term risk is engine failure. These two fixes are very difficult and most mechanics will advise you to change the motor of your Mercedes Benz GL Class.
I acknowledge an engine clicking noise on Mercedes Benz GL Class coming from combustion
Finally, if you have the feeling that this clicking noise is related to the combustion of your engine, there are three plausible causes of it. Verify the state 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 manage the timing of the various engine parts to induce good combustion. And finally, the most classic reason, comes from your injection, which is either clogged or one or more injectors is injured. In this case, do not hesitate to refer to this article which deals in detail with the several injector noises on Mercedes Benz GL Class.
Hissing noise / engine friction Mercedes Benz GL Class
Engine noise Mercedes Benz GL Class 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 state and try to locate the exact origin of this noise by positioning someone at the engine at idle, and if this noise is more likely to manifest in high rpm, accelerate and position someone at the engine block to determine the region of origin of the noise. The three elements whose bearings are often at the origin of these noises are the water pump, the injection pump and the oil pump.
Engine noise Mercedes Benz GL Class when releasing or depressing the clutch
In the event that you acknowledge engine noise on Mercedes Benz GL Class, 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 emit a noise close to a bell noise. To have more info about this noise and if you have managed to verify that the release bearing is indeed the cause of your concerns, go here, to find a complete file on release bearing sounds on Mercedes Benz GL Class.
Engine noise Mercedes Benz GL Class close to a friction
In the case that you acknowledge a motor noise on your Mercedes Benz GL Class, 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 origin of your problems.Often, we will start to acknowledge a motor noise on Mercedes Benz GL Class, 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 bear in mind to verify their state and go to your motor mechanic to replace the elements in question. If you have been able to target the noise as coming from the belts and you want more details about it, take a look at this article on belt noise on Mercedes Benz GL Class for a complete guide.
Metal motor noise Mercedes Benz GL Class
In the case that you acknowledge an engine noise on Mercedes Benz GL Class 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 connected with damaged sprockets. Try to verify that this noise comes from the transmission, if this is the case, fairly quickly go to your auto 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 each time your engine moves, either because of a change of pace (acceleration or braking) or, when you drive on roads in poor state. Verify the state of your silentblocks and replace them if needed. If you want to have more info about rubber mounts noises on Mercedes Benz GL Class, examine this article which gives you more info about the several types of noise and their origins.
