Tire pressure
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2008-2013 Cadillac CTS General Discussion Discussion, Tire pressure in Cadillac CTS Second Generation Forum - 2008-2013; The recommended tire pressure for my 2008 CTS 3.6 DI AWD performance is 35 pounds. Does any on else think ...
  1. #1
    RandyG is offline Cadillac Owners Member
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    Tire pressure

    The recommended tire pressure for my 2008 CTS 3.6 DI AWD performance is 35 pounds. Does any on else think this is awfully high? The car really rides on the rough side on the streets of PA. Is anyone running them at a lower pressure?

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  3. #2
    jeffc83's Avatar
    jeffc83 is offline Cadillac Owners Connoisseur
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    Quote Originally Posted by RandyG
    The recommended tire pressure for my 2008 CTS 3.6 DI AWD performance is 35 pounds. Does any on else think this is awfully high? The car really rides on the rough side on the streets of PA. Is anyone running them at a lower pressure?
    I'm in Bucks County and I keep mine at exactly 37 psi. (2 lbs more gets me slightly better fuel economy) Yes, our roads suck!

  4. #3
    popacork's Avatar
    popacork is offline Cadillac Owners Member
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    Re: Tire pressure

    No problems running mine at 35psi.

  5. #4
    gohawks63's Avatar
    gohawks63 is offline Cadillac Owners Connoisseur
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    Quote Originally Posted by popacork
    No problems running mine at 35psi.
    Same here.

  6. #5
    like2drive's Avatar
    like2drive is offline Cadillac Owners Fanatic
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    Re: Tire pressure

    Also run them at 35psi here!

  7. #6
    RJParks is offline Cadillac Owners Member
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    Re: Tire pressure

    Running lower pressure not only uses more fuel but adds temp to the tires.

  8. #7
    Chris Pelkey is offline Cadillac Owners Member
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    Re: Tire pressure

    You may start out at 35 psi cold but it will heat to 37 psi once you've driven for a while.

  9. #8
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    OMG
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    Re: Tire pressure

    Quote Originally Posted by jeffc83 View Post
    I'm in Bucks County and I keep mine at exactly 37 psi. (2 lbs more gets me slightly better fuel economy) Yes, our roads suck!
    But are the fuel savings worht the faster replacement of the very expensive tires?

  10. #9
    Twentybucks is offline Cadillac Owners Fanatic
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    Re: Tire pressure

    I have my rear tires at 35psi and my front tires at 32psi. The roads here in Mass aren't that great during and after winter and I find that the potholes and bumps hit too hard when I'm at 35psi so I am running the fronts a little lower to get a better ride.

  11. #10
    jeffc83's Avatar
    jeffc83 is offline Cadillac Owners Connoisseur
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    Quote Originally Posted by OMG View Post
    But are the fuel savings worht the faster replacement of the very expensive tires?
    Didn't realize two pounds could make such a negative impact...

  12. #11
    tinman's Avatar
    tinman is offline Cadillac Owners Connoisseur
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    Re: Tire pressure

    I'm at 37 both front and rear. And don't let the pressure differentials boggle your mind. My A6 had 38 front and 42 rear. Two pounds doesn't make that much of a difference, not at all. Some things depend on your driving. I like to drive in a spirited way, hard around corners and getting onto the e-way, for example. That's why I have a couple of extra pounds. IF you want the soft ride, keep it a 35 psi COLD.

  13. #12
    jeffc83's Avatar
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    Quote Originally Posted by tinman View Post
    I'm at 37 both front and rear. And don't let the pressure differentials boggle your mind. My A6 had 38 front and 42 rear. Two pounds doesn't make that much of a difference, not at all. Some things depend on your driving. I like to drive in a spirited way, hard around corners and getting onto the e-way, for example. That's why I have a couple of extra pounds. IF you want the soft ride, keep it a 35 psi COLD.
    I drive the same way so I'll leave it at 37...thanks.

  14. #13
    RandyG is offline Cadillac Owners Member
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    Re: Tire pressure

    OK Thanks for the many replies...I guess I'll keep them at around 35 then.

  15. #14
    tinman's Avatar
    tinman is offline Cadillac Owners Connoisseur
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    Re: Tire pressure

    I just drove by a large truck - they had a sticker that said to inflate to 105 psi !!!

  16. #15
    jeffc83's Avatar
    jeffc83 is offline Cadillac Owners Connoisseur
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    Quote Originally Posted by tinman View Post
    I just drove by a large truck - they had a sticker that said to inflate to 105 psi !!!
    Oooo, now HE'S getting great gas mileage...I'll fill to 105 and will post my results!!! Sorry, I couldn't resist Lol

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