There is nothing more distressing than unwelcome noises coming from the engine block. Do not go straight to your mechanic, the malfunction is probably not as serious as you think. To properly identifier your dysfunction we will see the most frequent noises on this Renault Grand Scenic 2 and where they come from.
The engine block of my Renault Grand Scenic 2 makes a thud
If you are at a standstill and the engine block makes some kind of roar , there is indeed a malfunction. It can come from a cover of the engine block not well fixed, which ricochets repeatedly on another component. It is also plausible that a low hum is coming from the belt. If your Renault Scenic 2 does not emit a suspicious noise when stationary, but a deaf noise appears when you are driving, the malfunction is most likely due to bearings and not from the engine block. Do not wait too long to go to a mechanic, it can get worse.
The engine of my Renault Grand Scenic 2 makes a tractor noise
Your Renault Grand Scenic 2 makes a airplane noise , but without having its performance. Usually, it comes from a hole or faulty pot, and not from the engine block. The noise should be louder and lower than normal, but depending on the acceleration. the more you accelerate, the louder the car makes. If this is not the case and the noise does not vary according to the acceleration, go to the mechanic. The malfunction is certainly due to a component of the faulty engine block.
The engine block of my Renault Grand Scenic 2 makes a pan noise
A high pitched noise on this Renault Grand Scenic 2 is usually due to the belt, and not from the engine block as such. It is often the accessory belt slack, or one of the defective tensioners. Tighten the belt if it is loose, or change the tensioner roller.
The engine of my Renault Grand Scenic 2 makes a lot of noise
If your Renault Grand Scenic 2 makes a lot of noise, there are usually two main reasons. The first is a thud that will come from bearings . But it can also result from tires not sufficiently inflated, or even too bad condition. If the engine block makes a lot of noise, it could also be a result of a fuel combustion malfunction, or exhaust perforated. Finally, it is rather rare that the engine block is the source of this type of noise.
The engine of my Renault Grand Scenic 2 makes a clicking noise
This is a relatively common and quite disturbing dysfunction. This noise of slam may arise from several components of the engine block. But you will find below the two main ones.
- Poor combustion. Indeed, poor or partial combustion can cause clicking noises. Don't go into any repairs if that's right, go to your mechanic instead.
- If this noise only appears cold, it may be due to hydraulic lifters .
- The malfunction can also come from pistons , rockers , etc.
Not easy to diagnose. Engine noise should be considered as a warning. It is advisable to go to your mechanic for a more precise check. Be vigilant!