What are the Disadvantages of a DSG Gearbox?

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Disadvantages:

The most common complaint (or disadvantage) is that a DSG can sometimes feel jerky or that there’s a lag between shifts in certain situations. These examples tend to be heavily weighted towards certain scenarios, like when you’re accelerating up to highway speed from an on-ramp visit merge but must backtrack because a car has moved into your lane… therein situation, the transmission would have determined you’re backing off the throttle then pre-selected a lower gear. Then, moments later, say, the car that moved into your lane, sees you and quickly swerves into the opposite lane, allowing you to floor it again to urge keep a copy to highway speed, but because the transmission has pre-selected a lower gear it’ll take a flash to catch up with the changed situation and choose a better gear instead.
The other one is from a standing start where people often say a DSG can jerk because it takes to the air. this can be just because, to preserve the clutches within the transmission, the mechatronics unit will disengage both clutches when the vehicle is stationary. So, similar to shifting from neutral into gear mechanism with a standard manual transmission car, there will be a small jerk because of the clutches on the DSG reengage.
DSGs also isn’t the most effective choice for off-roaders thanks to the warmth build-up within the clutch packs when inching over rough terrain, because the clutch isn’t fully engaged.

In Short:

  1. Due to the complexity of the look, it’s impossible to create it as reliable as a standard torque-converter automatic drive.
  2. The clutch pack mechanisms have a limited lifespan.
  3. Marginally worse mechanical efficiency compared to a standard manual transmission, especially on wet-clutch variants thanks to electronics and hydraulic systems.
  4. Expensive specialist transmission fluids/lubricants with dedicated additives are required, which require regular changes.
  5. Relatively expensive to manufacture, and thus increases new vehicle damage.
  6. Relatively lengthy shift time when shifting to a gear ratio that the transmission control unit didn’t anticipate (around 1100 ms, reckoning on the situation).
  7. Torque handling capability constraints impose a limit on after-market engine tuning modifications (though many tuners and users may exceed the official torque limits notwithstanding); (Later variants are fitted to more powerful cars, like the 300 bhp/350 Nm VW R36 and also the 272 bhp/350 Nm Audi TTS.)
  8. Heavier than a comparable Getrag conventional manual transmission (75 kg (165 lb) vs. 47.5 kg (105 lb)).

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