TSI squeal noise problem on acceleration

[v.w.dave]

Hey guys,
That noise is the small belt that drives the supercharger getting up to speed or slowing down.
I am probably going over things that some of you already know.
That belt is driven buy the water pump that has a clutch that is in close relations to the clutch on your older style A/C compressure. The differance is it is opperated by P.W.M. (pulse width modulation) What that does is brings the super charger up to speed without julting it harshly and the same with dissingaging it.
EVERY twin charge has this noise and will always have this noise. Some are a little quieter then others but they will all sound the same after about 50000k

[Tommy]

Interestingly, I followed a brand new 118TSI down the freeway on Saturday as it belched black smoke under acceleration and squirted out a large amount of fluid out of both exhaust pipes. This does not look normal at all, nor does it look very 'appealing'... Should a brand new petrol car be doign this sort of thing?

[Guest]

Interestingly, I followed a brand new 118TSI down the freeway on Saturday as it belched black smoke under acceleration and squirted out a large amount of fluid out of both exhaust pipes. This does not look normal at all, nor does it look very 'appealing'... Should a brand new petrol car be doign this sort of thing?

water is actually a byproduct of combustion after going through that cat co0nverter you probably seen that coming out of exhaust.

[pologti18t]

Interestingly, I followed a brand new 118TSI down the freeway on Saturday as it belched black smoke under acceleration and squirted out a large amount of fluid out of both exhaust pipes. This does not look normal at all, nor does it look very 'appealing'... Should a brand new petrol car be doign this sort of thing?

Most turbo cars produce a plume of dark exhaust when given full throttle. The ecu runs the mixture rich to prevent detonation etc.

[roy]

The problem (squeal noise) hasn't been fixed yet, right?

[Stoney!]

My car hit 2500k's over night, and today I noticed the supercharger became a lot louder now, never used to be audiable from inside the car, only in car parks with the windows open lol.

I also noticed the aqueek noise from the S/C clutch today for the first time, could these two thing be part of the one thing?

Could they possibly be a little cut back for the first 2500k's and then after it spins harder, which makes the clutch engage more audiable also?

just a thought....

Stoney!