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Cadillac ATS Technical Discussion Forum Discussion, ATS4 questions in Cadillac ATS Discussion Forums; Well since this is my first AWD vehicle I've been wondering about the do's and don'ts of the AWD system. ...
  1. #1
    small723 is offline Cadillac Owners Member
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    Question ATS4 questions

    Well since this is my first AWD vehicle I've been wondering about the do's and don'ts of the AWD system. I know if towing is necessary then it needs to be done on a flatbed so no wheels are on the ground. What else? And those with the ATS4 have you learned anything about the car that is different from other AWD cars you have driven?

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    Yplus is offline Cadillac Owners Fanatic
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    Re: ATS4 questions

    My only reference point for AWD cars were Subarus. Aside from there being very little public information about the AWD systems in GM vehicles in general, I've noticed that tight turns (full lock at slow speeds) feels a little bound up to me. The Subarus have a viscous coupling which has problems in other ways, but it's silky smooth in tight cornering situations. Always remember, replace tires in sets of four, keep the tread wear in check, and make sure the dealer rotates the tires according to the schedule. Also keep tire pressures as close to recommended as possible. The general idea is to keep the diameter of the outside of the tires as close as possible to each other so the center diff is working at little as possible. Also, the ATS4 is definitely more rear-biased in dry conditions which is really nice, but it will send a lot of power to the front wheels when needed.
    Overall, compared to the Subaru, I'd say it's a pretty fine system. A little bit of a black box compared to other systems, but it works well even in spirited country road situations.
    small723 likes this.

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    db_outlaw's Avatar
    db_outlaw is offline Cadillac Owners Fanatic
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    Re: ATS4 questions

    Agreed with the above and tight turns. When I make U-turns the car feels like it's "crab walking". I give it a tad of gas and tires start chirping.

    You can punch it from a stop in the rain and she just gets up and goes without any fuss.

    Other than these things, I don't notice that it's AWD car.

  5. #4
    sebounet's Avatar
    sebounet is offline Cadillac Owners Member
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    Re: ATS4 questions

    do you know if there is a limited slip differential LSD on the AWD ?

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    db_outlaw is offline Cadillac Owners Fanatic
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    Re: ATS4 questions

    I believe only performance RWD models come with the LSD.

    Quote Originally Posted by sebounet View Post
    do you know if there is a limited slip differential LSD on the AWD ?

  7. #6
    Hoosier Daddy's Avatar
    Hoosier Daddy is online now Moderator
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    Re: ATS4 questions

    Quote Originally Posted by db_outlaw View Post
    I believe only performance RWD models come with the LSD.
    All 2.0Ts with RWD and manual trans come with a stronger diff and LSD.

    I believe all RWD Premiums also have those.

  8. #7
    db_outlaw's Avatar
    db_outlaw is offline Cadillac Owners Fanatic
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    Re: ATS4 questions

    I believe if the dealer adds manual transmission and then de-selects it (they do this to get the paddle shifters on an automatic), then you'd get the LSD in an auto as well.

    Quote Originally Posted by Hoosier Daddy View Post
    All 2.0Ts with RWD and manual trans come with a stronger diff and LSD.

    I believe all RWD Premiums also have those.

  9. #8
    small723 is offline Cadillac Owners Member
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    Re: ATS4 questions

    Thanks for all the responses. Has anyone been able to experience how the ATS4 handles on snow?

  10. #9
    btmasta is offline Cadillac Owners Member
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    Re: ATS4 questions

    I drove it in Mid-Michigan during a light dusting. I was not impressed with the stock all seasons. Definitely getting winters once the temperature stops fluctuating so much.

  11. #10
    duneless is offline Cadillac Owners Enthusiast
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    Re: ATS4 questions

    I don't know but here in Connecticut we had ice and a little snow and I was impressed. Even with the run flats. But if we get a good amount I use my jeep tj.
    Quote Originally Posted by small723 View Post
    Thanks for all the responses. Has anyone been able to experience how the ATS4 handles on snow?

  12. #11
    Ancient Mariner's Avatar
    Ancient Mariner is offline Cadillac Owners Fanatic
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    Re: ATS4 questions

    Quote Originally Posted by small723 View Post
    Thanks for all the responses. Has anyone been able to experience how the ATS4 handles on snow?
    We've had a fair bit of snow now and with 4 real snow tires + AWD it's like a tank!
    small723 likes this.

  13. #12
    RemaxAl's Avatar
    RemaxAl is offline Cadillac Owners Member
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    Re: ATS4 questions

    I've been in 2 decent snowfalls with my ATS4 2.0T. Works great. I'm running Goodyear Tripletread all seasons.

    AL

  14. #13
    bluecrayon is offline Cadillac Owners Fanatic
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    Quote Originally Posted by small723
    Thanks for all the responses. Has anyone been able to experience how the ATS4 handles on snow?
    We are in the midst of a decent lake effect storm in the buffalo area, with some areas south of the city getting several feet....my 3.6 awd with Dunlop winter maxx has been flawless, punch it and it just goes! I also have a new explorer with stock all-seasons and while it's pretty good, I think the ats is even better. Obviously the truck will go through more deep snow, as far as slippery slushy conditions, I think the ats is better with the snow tires.

  15. #14
    JSD13 is offline Cadillac Owners Fanatic
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    Re: ATS4 questions

    I've been very impressed with my ATS in the snow with stock all seasons.

  16. #15
    Ancient Mariner's Avatar
    Ancient Mariner is offline Cadillac Owners Fanatic
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    Re: ATS4 questions

    We just got hit with the same storm system that passed over the NE states - over a foot of snow on the roads this morning, so I left the awd SUV (and it's higher ground clearance) to my wife and headed off to work in the ATS. It was a bit of a punch at times, but got through it and was never really in danger of getting stuck; had to disable TC (it'll kill your forward motion in heavy snow) and back and filled a few times, but there was no stopping it! Good car, niiice car LOL....

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