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DSG Odd Noise?


Obadiah

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Getting used to DSG in wifes car. Stopped at traffic lights and,out of habit, put the handbrake on. Thi triggered what I can only describe as a 'groan'from the transmission.

Is it wrong to leave it in D and apply handbrake?

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Getting used to DSG in wifes car. Stopped at traffic lights and,out of habit, put the handbrake on. Thi triggered what I can only describe as a 'groan'from the transmission.

Is it wrong to leave it in D and apply handbrake?

Definitely wrong.  Put it in N if you want to use the handbrake or it will be pulling against the brakes, hence the groan.

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It does seem odd that with so many sensors there isn't a way for the DSG to 'read' that the hand brake is on.......after all the light comes on on the dashboard .

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  • 8 months later...

So stop with the foot brake put the car in park making the reverse light come on momentarily as you go past reverse put the hand brake on until you can go then put the foot brake on release the hand brake put the car in drive making the revering lights flash again and release the brake and set off

or

Stop with the foot brake wait until you can go and take your foot of the brake

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So stop with the foot brake put the car in park making the reverse light come on momentarily as you go past reverse put the hand brake on until you can go then put the foot brake on release the hand brake put the car in drive making the revering lights flash again and release the brake and set off

or

Stop with the foot brake wait until you can go and take your foot of the brake

 

Oh look another of those idiots who forget that there is someone behind them in the queue being "blinded" by your brake lights!!

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The Yeti is a bit of an enigma here with regards to having a DSG and a traditional handbrake.

 

I've had a Passat with DSG and an A6 with Multitronic and neither had a "proper" handbrake. When coming to a halt you simply had to press the brake and the electronic parking brake would come on - I'm talking full-on handbrake here not the hill hold control of the Yeti - and once the accelerator is pressed the parking brake releases, so there must be something in the electronics to stop the DSG and Multitronic fighting against the creep. 

 

My TT as a traditional handbrake and they do a DSG version so potentially the same problem as the Yeti. 

 

What does the handbook say about the handbrake and being in D? 

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"Stop
› The selector lever position N does not have to be selected when stopping for a
short time, such as at a cross roads. It is sufficient to hold the vehicle stationary
using the foot brake. The engine can, however, be allowed just to idle."

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I find it's a matter of trying to judge how long I'm going to stop for. As far as I'm concerned, a few seconds is 'foot on the brake' if it looks like 20 seconds or more then it's 'N' and handbrake. You've still got to apply the footbrake to select 'D' again anyway.

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If I think I'm going to be stopped a little longer like just hit a red light etc I would put it into N and apply the handbrake.

 

Then when setting off just foot back on the brake and flick the lever down (no need to press the button on the selector lever) release handbrake and off again.

 

I'm in start stop traffic where you're only stopped for a few seconds at a time then obviously just leave it in D and don't bother with the handbrake... unless I'm on a hill as mine doesn't have auto hold!

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  • 2 weeks later...

I am a 20 second in D man and any longer in N+footbrake.

Can some clever clogs tell me this.

Having Googled DSG  (& having a Btech diploma in classic car restoration) I am so old that I lived in a world of BorgWarner 35 & 65 {currently '77 Stag} 3 speed auto boxes and latterly Honda & Mercedes CVT.

Back to the plot.

Google informs me that a DSG has 2 clutches and is a 'proper' gear box wiv cogs and stuff, but the clutches are operated electrically, all of which I knew. BUT if there is no torque converter, how can the car remain in gear and not move? The clutch operating first gear (1 clutch looks after odd number gears , the other looks after even number gears,) can't be slipping or it would wear out. So how does sitting in 1st gear with the brake on work, gearbox wise???  :think:

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When the car is statationary in D with the foot brake pressed and no accelerator both clutches disengage the car is in neutral. As soon as you press the accelerator or release the brake one if the clutches engages. If you have the handbrake on and D selected the car will try and move wearing the clutch for a bit before it gives up after about 5 seconds.

Sent from my GT-I9300 using Tapatalk

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I may be wrong but the 7 speed and 6 speed operate in slightly different ways. They both have 2 sets of multi plate clutches mounted concentrically, i.e. one set smaller diameter and inside the outer clutches. In the 7 speed the clutches are dry like a conventional clutch and are operated by a release lever from the outside. In the 6 speed the clutches are of the wet variety, working in an oil bath and are operated by a hydraulic cylinder which squeezes the plates together. They are controlled by the ECU to hold the clutch at the biting point when stationary and to engage the clutch for 1st gear when the brake is released and the throttle pressed. I would be concerned holding the car on the brakes for a long time with the dry clutch version as that is like holding the car on the clutch in the old days. Not such a problem on the 6 speed as the oil will keep the clutch cool and not wearing so much. There has been plenty of debate on this subject in these forums over the years and a quick search will soon find answers. Personally I am of the opinion of if stopped for more than a few seconds then handbrake and neutral, never in park as if you are knocked from behind then there could also be damage to the gearbox as well as bodywork.

Ian

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