5 Things You Should Never Do In A Dual Clutch Transmission Car
Don’t put the transmission in neutral when you come to a stop. There’s no need to do this. You may think the clutch will be partially engaged and wearing out, but the system will be sure to disengage the clutch (while keeping first gear pre-selected).
Don’t take your foot off the brake when you’re on an incline. The clutch may attempt to hold the vehicle. Unlike in an automatic transmission where you have this slip absorbed by the torque converter, this will directly cause wear on the clutch. Depending on the design, the effects can be even greater with a dry clutch, which has no oil around it. Wet clutches tend to be able to take more heat, however dry clutches are more efficient, robs less power (used on sports bikes), it weighs less, and often requires less maintenance (there’s no clutch fluid, it’s all electronically actuated on Hyundais). For Hyundai, owners are asked to inspect the fluid levels every 37,500 miles on the DCT, but there is no set time to replace fluid.
Try not to spend much time inching forward (especially while towing or on steep inclines). Stuck in traffic on a hot day, crawling up an incline at low speeds, or towing. In these scenarios, it’s best to allow yourself enough gap to get up to speed, so the clutch pack can fully engage. At low speeds while partially engaged, the clutch will heat up and can wear faster. It’s never ideal to slip a clutch, but they are designed to take wear and tear. This advice is to simply have the clutch last as long as possible.
Upshifting while braking, downshifting while accelerating. Need to understand the logic behind the system to understand why shift delays might occur. For example, driving on the highway, 4th gear, hit the brakes because someone cuts you off. Upshift and it takes longer than usual. Well because you were on the brakes the transmission might have assumed you were going to downshift next. Coming to a light, if it’s red but turns green, the system may have been attempting to disengage the clutch knowing that you were coming to a stop, so there may be a slight delay in getting power.
Don’t hold the brake and throttle long if launching the car (launching your car in general is a bad idea for longevity, but if you were to do it, know what’s happening internally). This will cause the clutch to wear, all of the heat from the engine is going into the clutch (if it’s engaged, depending on the car). From Hyundai - “The engine speed should rise and the clutch should go to a stand by position. The clutch may try to engage and if it identifies no vehicle movement it should reduce the engine speed and hold that speed until the accelerator pedal is released.”
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