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 VW Australia finally recalls, ... followed by Audi

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sleepwalker
post Jun 13 2013, 12:46 PM

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QUOTE(kadajawi @ Jun 12 2013, 07:41 PM)
VW, Audi, Skoda all the same company, so they use the same gearboxes.

Renault has DSG now too, Ford has, Volvo has (same as Ford I believe), ...

Perhaps the issue with these DSG gearboxes of VW has been fixed, and owners are getting new parts that do not have the fault anymore?

@dtna7: Come on, having an accident like that is highly unlikely. The car doesn't accelerate anymore and she dies because of that?! (That is if that is the case. If the car suddenly slows down quite violently then it is very serious.) Normally I don't believe in luck, but... that's very bad luck. Most likely you'll just slow down and stop at the roadside, confused and angry but unhurt. The issue that some Toyotas had... stuck pedal, so the car would keep accelerating, was much more serious IMHO. Or think about the Ford Pinto in the 70s, which would explode when rear ended. Construction fault where a part of the bumper would be rammed into the fuel tank, creating sparks and... a bit of an explosion I suppose. Ford tried to cover up and thought it'd be cheaper to pay compensation than to issue a recall. Needless to say that did backfire.

I think the problem is that the DSG might not be fully matured, and perhaps a different driving style is necessary for it to be reliable. AFAIK not too long ago Mercedes had introduced a new engine, which was, or is very advanced. Sadly too advanced, so there was a major problem that led to mass death of these engines. Mercedes replaced them and tried to keep owners quiet.
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THink of this scenario, which is likely to happen to a DSG and not other gearboxes.. you are cruising on the highway at 110km/h on 5th gear with a truck following you. Most people would think that if you have a gearbox problem, you would cruised to a standstill in neutral. So people are wondering how she could have gotten hit. What if the DSG switched from 5th to 1st or 2nd gear (it's all electronically controlled and not locked in place by mechanical means). That would lock wheels when the engine over revs. It will not be a gradual slowing down. The reports of the accident stated sudden slow down and not a normal 'switch to neutral' and cruise type slow down. This could happen to any faulty DSG.
sleepwalker
post Jun 13 2013, 02:29 PM

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QUOTE(dares @ Jun 13 2013, 12:55 PM)
I tot the girl in the Aussie incident was driving a manual  blink.gif
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Yeah, it's manual, just checked. I got it mixed up with the other DSG issues.
sleepwalker
post Jun 13 2013, 02:36 PM

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QUOTE(Intrigue @ Jun 13 2013, 01:55 PM)
Wouldn't the ECU prevents that from happening? Or i was wrong about the DSG concepts
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That's the whole issue that is causing the problem with DSG gearboxes. It's drive-by wire and when the ECU and electronics screw up, who is actually in control of the gearbox then? You or the microchip? There is no manual override like we see in movies installed in every electrical device. Ford owners have reported of their Fiesta DSGs refusing to go into neutral when the car was slowing to a stop.

The ECU is all that controls the gearbox in the DSG and unlike a manual gearbox where you have physical mechanical barriers. For example, in a normal 5 speed manual where the reverse is located below the 5th gear, the gearbox linkage is made such a way that you can't shift from 5th straight into reverse without first going to neutral to unlock the linkage.

So if a DSG decides to freak out, anything can happen. The worse thing is that there are no signs of imminent failure.

 

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