Engine & Gearbox AWD System How does it work

Discussion in '4th Generation (2013-2017)' started by aussi55, Friday 10th Aug, 2018.

  1. aussi55 Club Member ★ ☆ ☆ ☆ ☆

    United Kingdom Andy Bracknell
    62
    26
    Hi all,

    Just a question out of curiosity really. How does the CRW AWD system work, is it on all the time or does it cut in as and when needed, if so is it mostly FWD?

    Many thanks.

    Andy
     
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  2. 155695 Premium Member Club Supporter

    England Keith Essex
    684
    410
    In very simple terms, in normal driving the car is front wheel drive. The AWD drive system is fully automatic, sensing when the front wheels are about to lose grip and progressively transferring some of the drive to the rear wheels until traction is regained. The driver has no control over the system and there is no indication when it is operating (although the driver will have a good idea when it is operating by virtue of the driving conditions). This type of AWD is fairly common these days with several manufacturers, e.g. VAG employing similar systems.

    The most common mistake drivers make (particularly if they are used to vehicles with diff locks) is backing off the throttle when the front wheels begin to slip. With the automatic AWD systems it is necessary to keep the gas on in order for power to be transferred to the rear wheels and the AWD to work.

    Keith
     
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    andy83, Nels and aussi55 like this.
  3. aussi55 Club Member ★ ☆ ☆ ☆ ☆

    United Kingdom Andy Bracknell
    62
    26
    Thanks Keith,
    Great explanation. Appreciate you taking the time to explain.

    Thanks

    Andy
     
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  4. Nels Club Moderator Club Staff

    This is a U.S. YT, but you may find it helpful.

     
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