DSG woes in The Age

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Originally Posted by wai

I have to say that one of the major issues with the DSG type transmissions is that they are sold as "automatic gearboxes" when in reality they are "manual gearboxes that change automatically". If you drive a DSG type vehicle in heavy stop/start traffic like you would a torque converter automatic, then you are setting yourself up for problems. You would never drive a manual car in heavy stop/start traffic by almost continuously slipping the clutch, and you should not drive a DSG type vehicle like that either.
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It is sold as a "tech must have", and so VW (or whoever else uses this type of gearbox) do not want to have buyers go through a half day course on how to use a DSG equipped car. The problem is that they NEED to go through such a course.

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I say that is a bull**** theory...

This is a consumer product, you don't blame the consumer for using the car normally. Heavy stop/start traffic is common occurrence in any large city.

So if the DSG is not designed, and built, to withstand such normal use, what good is it?

He's got a point though.

You're kidding yourself if you think you can drive a DSG-equipped vehicle the same was an automatic. Sure, they have the same amount of pedals, and the gearstick looks pretty much the same, but everything you know goes out the window when you stab the throttle to make a quick getaway, leaving you the same effect as giving a manual car a gut full of revs, and dropping the clutch.

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Originally Posted by markwid

I say that is a bull**** theory...

This is a consumer product, you don't blame the consumer for using the car normally. Heavy stop/start traffic is common occurrence in any large city.

So if the DSG is not designed, and built, to withstand such normal use, what good is it?

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Agreed but he does have a bit of a point. I think the hard thing is that you can't modulate the clutch. Which means you don't really know how much the clutch is actually being used in a DSG equipped vehicle.

Anyone blaming the consumer for how the dsg is driven in traffic is missing the point. Why?

VW does NOT tell the consumer anything about driving it differently than any other automatic transmission.

If it was down to how consumers drove in traffic being te cause of issues then why doesn't the dq250 suffer the same issues in heavy traffic on the scale of the dq200?

The consumer has no control over the clutch slippage for the most part. It is the last thing on their mind.


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Originally Posted by markwid

This is a consumer product, you don't blame the consumer for using the car normally. Heavy stop/start traffic is common occurrence in any large city.

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Some people can drive a manual car and not need to replace the clutch in 150,000km+
Another driver in the same model car will need a new clutch in 50,000km and blame the car :)

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Originally Posted by wai

Well, if it is cooling the oil, it is a simple matter of adding an oil cooler attached to the radiator.

The other thing from this is that you DO NOT CRAWL.

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dq250 in my gti and dq500 in my tiguan both have dsg fluid cooler above the gearbox fr factory.

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Originally Posted by nat225

dq250 in my gti and dq500 in my tiguan both have dsg fluid cooler above the gearbox fr factory.

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This is what I like to see. Actual facts from owners as opposed to pure speculation. By the way does your manual make reference to dsg overheating for either the dq250 or dq500?


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Quote:

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Originally Posted by markwid

I say that is a bull**** theory...

This is a consumer product, you don't blame the consumer for using the car normally. Heavy stop/start traffic is common occurrence in any large city.

So if the DSG is not designed, and built, to withstand such normal use, what good is it?

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The point I'm making is that it is not consumer ready the way it is being sold. It has been released before all the issues have been worked through. Buyers are treating it like a normal automatic gearbox, and it is simply not suited to it. This does not make the buyers wrong as it has been sold as an "automatic".

Now that it has been released, it is up to VW to rectify things.

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Originally Posted by wai

whereas the European chainsaws are dainty units that will fall apart if not treated with kid gloves.

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VW must be relatively confident in the design / robustness of the DSG in the R, given they also give you Launch Control to play with...

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Originally Posted by nat225

dq250 in my gti and dq500 in my tiguan both have dsg fluid cooler above the gearbox fr factory.

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If the transmissions are failing because of overheating and they already have an oil cooler, then they need a bigger one. If they don't have one, then they need one.

Unfortunately fitting an oil cooler is not simple as the pump has to be able to pump around the longer circuit. It may need an electric pump.

One of the issues raised has been that when crawling in traffic, there is insufficient air flow over the mechatronics unit to dissipate the heat. It may need a fan or ducting from the existing radiator fan to help with cooling.