drivetrain

A drivetrain (also frequently spelled as drive train or sometimes drive-train) or transmission system, is the group of components that deliver mechanical power from the prime mover to the driven components. In automotive engineering, the drivetrain is the components of a motor vehicle that deliver power to the drive wheels. This excludes the engine or motor that generates the power. In marine applications, the drive shaft will drive a propeller, thruster, or waterjet rather than a drive axle, while the actual engine might be similar to an automotive engine. Other machinery, equipment and vehicles may also use a drivetrain to deliver power from the engine(s) to the driven components.
In contrast, the powertrain is considered to include both the engine and/or motor(s) as well as the drivetrain.

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  1. N

    A thumping sound heard when OPD is active

    When the OPD is active, a dull knocking sound is heard from underneath, proportional to the rotation speed, when stopping and starting slowly. It is not heard at normal speeds, nor is it heard in normal regen modes. Is this normal when the OPD is active, or is there a problem? The vehicle is...
  2. D

    first service at my local mg garage in swindon

    Hi all so i have just taken my mg4 in for its first service today and when i checked in with reception i asked if the technician could investigate a vibration and rumbling noise coming from the rear drivetrain at around 60 mph that has got worse in recent months. the reply was yes we can...
  3. habylab

    Wife describes the car felt like it 'stalled' whilst driving

    My wife was driving roughly 20mph or slightly less, and overtaking a parked car, another car that was waiting started to come - but both had room. As the car was passing, my wife describes the car as 'stalling'. When you didn't have the clutch down and it jokes and stops. She said it completely...
  4. Z

    Transmission Whine

    We've had our GT model for nearly 3 months and covered about 1200 miles. I've become irritated by what I'd describe as a 'transmission whine' towards the rear which is obvious when gently coming off the accelerator between 25 to 30 MPH. I'm not sure if it's getting worse, but I'm certainly...
  5. DaevM

    Fwd or Rwd ? 🤔

    So. MG4. FWD or RWD ? 🤔. As far as I'm aware it's RWD. Until yesterday when I visited a friend, reversed up their gravel drive up a reasonable incline. Took it easy so as to not disturb the gravel too much. Was quite pleased with the way it was going until the front wheels got on the gravel...
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