The injectors are very tickey and this is totally normal but can mask other sounds. The main concern is a "diesel" type noise at warm idle, often not present when cold. This can be the small timing chain & tensioner on the right hand end of the camshafts (looking from the front of the car) wearing.
Full Answer
Why is my Volkswagen Golf making a whining noise?
If your Volkswagen Golf is experiencing a whining noise, its is often going to be caused by something in the engine compartment. The likely cause of whining noise will be determined by when you hear the noise, and under what conditions
Does your GTI sound like a diesel van at idle?
Since i bought my GTI it's had a loud knocking noise at idle and really did sound like an old diesel van. The noise was most noticiable from inside the cabin when sat at lights etc.
What does a bad alternator sound like in a golf?
When an alternator is going bad, it’ll often begin to put out a high pitched whining sound. It should also be accompanied by the battery light. If not, it may not be the alternator making your Golf whine, although it doesn’t rule it out entirely.
How do you know if your car is running cold?
Fine at idle when cold as soon as it warms up starts slightly knocking and then gradually gets a bit louder. On a cold start up you can here a chain for a second then normal.
What should a car sound like when idle?
6. Loud Idling. A good engine should roar, but not too loudly. If you feel your car is more noisy than usual there could be an issue with cylinder compression.
Why does my car sound so loud when idling?
Fuel injectors can accumulate dirt and grime over time, just like carburetors can. If your car sounds loud when idling, has been getting poor gas mileage, or both, a dirty carburetor may be the issue. As with carburetors, fuel injector cleaners can help you keep your system clean, efficient, and fully functional.
Why are Volkswagen engines noisy?
The sound is a rattle that is heard just after the engine is started. The technical background on this issue is that the timing chain tension has lost its ability to keep the tension and the slack causes the rattle in the engine. Thus, the timing chain may jump, causing the engine not to start.
Why can I hear my engine running?
Sometimes the loud engine sounds you hear aren't due to the engine having a problem at all. Instead, it could be caused by a damaged or failing muffler. If it just seems like your car is running louder than it used to, but there aren't other strange sounds, it might be due to a damaged muffler.
What does a normal engine sound like?
Most of the engines will sound like jets and will be louder when you are revving. There can also be a humming or clicking noise. Do not be afraid. All of these things are normal.
Why does my car sound so loud inside?
If the cabin of your vehicle is excessively noisy, there are generally two culprits: The wind and your tires. When you're driving down the road and the wind is whipping past your vehicle, it can make your cabin very load, especially if the seals around your doors and windows are thin or have loosened.
Why is my Volkswagen jerking?
Dirty fuel injectors are among the most common reasons for why an accelerator becomes jerky. The dirty injector leads to your car losing power when you attempt to accelerate while at a stop and when you try to drive at a consistent speed. This is the result of an engine misfire.
Why does my car rattle when I start it up?
if you hear a pinging or rattling sound when accelerating, low-octane fuel could be the cause. pinging (also called pre-ignition or detonation) can also be the result of carbon deposits, a bad knock sensor, overheating or incorrect ignition timing.
Why are diesel engines so loud?
In the diesel engines, the fuel is injected into the already compressed air inside the cylinder. These types of engines are much noisier than the petrol ones because their mechanics work under higher pressure. There are a lot of small parts inside, such as metal caps, small valves and oil pipes, that create the noise.
Should you hear your engine?
While this noise usually is very soft and silent that you don't normally hear them, you might notice them by chance. Also, some amount of ticking/knocking can be hear from some cars when starting. This can get worse when the weather is cold. However, this is pretty normal as long as it is within an acceptable level.
Why does my car sound like a lawn mower when I start it?
An exhaust leak will make a sound like lawn mower car. It frequently happens when the automobile is started or when it is accelerated. Thus, the easiest way to discover it is to check the exhaust system physically.
What does a car with low oil sound like?
knockingWhen your engine oil is running low, it stops lubricating the engine components. When these parts are no longer well-oiled, they cause loud clunking, knocking, and grinding sounds. This can cause your rods to break, which will give off the knocking sound from underneath the hood of your vehicle.
Ma Volkswagen Golf makes a high-pitched noise when I accelerate
If your Volkswagen Golf produces a loud noise when you accelerate, it is quite conceivable that the alternator belt is the cause of your trouble. You will need to define if this noise happens abruptly and if it can stop as it started.
Ma Volkswagen Golf produces an increasingly loud noise when I accelerate
If, on the other hand, you have the feeling that the more you gain speed, the more your noise at acceleration on Volkswagen Golf gets loud, then you will have to look at the rolling parts of your vehicle. In fact, if this loud noise does not emerge when you iddle, it is surely in connection with your transmission, and, in general, to your wheels.
Ma Volkswagen Golf generates a noise when I accelerate that ceases when I stop accelerating
To finish, if you experience a noise when accelerating with your Volkswagen Golf and this noise which could be a cliking sound tends to end when you disengage (press the clutch pedal), then one of the wear parts of your clutch system may be the cause. In fact, the clutch release bearings must be swapped around every 120 000 / 130 000km.