Anyone getting brake rubbing sounds?

Are you initially getting this starting at about  2 miles into a journey?  Also maybe a few times later?  If so, I think that on one of these VAG forums it has been suggested that it is the fumes purging valve, so maybe time to chat to Skoda about it to see if they are addressing this issue.

 

Here is a thought, "maybe it is the emissions defeat software kicking in"  - only joking - I think!

 

Wife's car is an August 2015 Polo 1.2TSI 110PS SEL if it makes a difference - so far I've done nothing about investigating this, but it should not be happening!

 

Edit:- Maybe press the brake pedal a bit to see if that has any effect, if only to check that it is not actually the brakes rubbing.

Edited 28 September, 201510 yr by rum4mo

Thanks mate, will look into this. All under warranty so. The boot doesn't always go fully down either. Few teething problems.

Looks like our cars may get recalled soon anyway???!!!

Looks like our cars may get recalled soon anyway???!!!

Wonder how they will try to wriggle out of this one looks like the pre week 22 Mirrorlink fiasco was just for starters Joe

Have not had any problems withe the brakes, I have had the car since April and done over 3.5K. Could it be the regenerative braking system or just the brakes bedding in. Joe

Edited 29 September, 201510 yr by JoePeddos

Have not had any problems withe the brakes, I have had the car since April and done over 3.5K. Could it be the regenerative braking system or just the brakes bedding in. Joe

 

Regenerative braking system, how does that work on these cars? I think that the alternator is relieved of load/work at times and at other times it gets "hammered", I've been monitoring the system voltage at the 12V outlet, and it gets up to over 15V for short periods at the beginning of a journey, then backs off a lot once the battery is fully charged.

Regenerative braking system, how does that work on these cars? I think that the alternator is relieved of load/work at times and at other times it gets "hammered", I've been monitoring the system voltage at the 12V outlet, and it gets up to over 15V for short periods at the beginning of a journey, then backs off a lot once the battery is fully charged.

Hi rum4mo basically when you apply the brakes it creates energy which is converted into heat but engineers have found a way of converting that energy into electricity and store it in the battery. If you lookup "car regenerative brakes" you will find better explanations

Than I can give of how it worked. Joe

Hi rum4mo basically when you apply the brakes it creates energy which is converted into heat but engineers have found a way of converting that energy into electricity and store it in the battery. If you lookup "car regenerative brakes" you will find better explanations

Than I can give of how it worked. Joe

 

Sorry Joe, I do know what the concept is generally all about, what I don't know is how it is achieved in some of the current models of these cars (Fabia,Polo, Ibiza).  My Audi S4 boasts about having "smart charging" - and that means inhibiting battery charging (if that is convenient) when WOT is detected and hammering in charge (if that is convenient) during braking, that is why I am wondering if it is being achieved in the same way in these cars.

Edited 30 September, 201510 yr by rum4mo

basically there is a wire on the alternator, when a suitable signal is applied it makes the alternator charge at a higher rate and help provide "some" braking while charging the battery quicker

 

its a feature more on cars with stop / start to help keep the battery charged when in traffic and the engine stopping and starting draining the battery each restart etc

Sorry Joe, I do know what the concept is generally all about, what I don't know is how it is achieved in some of the current models of these cars (Fabia,Polo, Ibiza).  My Audi S4 boasts about having "smart charging" - and that means inhibiting battery charging (if that is convenient) when WOT is detected and hammering in charge (if that is convenient) during braking, that is why I am wondering if it is being achieved in the same way in these cars.

Hi rum4mo I found this info http://www.volkswagen.co.uk/technology/glossary/brake-energy-regeneration this is different to how i thought it worked on my car it may be the information you are looking for. Joe

Interesting info. Thanks guys.

Hi rum4mo I found this info http://www.volkswagen.co.uk/technology/glossary/brake-energy-regeneration this is different to how i thought it worked on my car it may be the information you are looking for. Joe

 

Ah, so same as on my Audi S4, I've monitored the battery voltage during a run and it does get up to at least 15V at times. Also, if approaching our house from "above", ie using no throttle and brakes a lot during the final mile or so, the initial battery voltage after stopping is 12.96V whereas if approaching our house from "below", ie using throttle and no brakes, the initial battery voltage is 12.66V - I've checked this a few times so the difference is consistent - how boring!!

Edit:- these petrol STOP/START cars have EFB batteries so probably can handle this sort of treatment okay.

Edited 2 October, 201510 yr by rum4mo