3.6L Non-DI Rotor Diameter?
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2008-2013 Cadillac CTS General Discussion Discussion, 3.6L Non-DI Rotor Diameter? in Cadillac CTS Second Generation Forum - 2008-2013; I am looking at replacing my rotors/brake pads, but see that there are two options for my '08 3.6L base ...
  1. #1
    grsychckn is offline Cadillac Owners Member
    Automobile(s): 2008 CTS 3.6L 6-Speed
    Join Date
    Mar 2012
    Age
    34
    Posts
    45

    3.6L Non-DI Rotor Diameter?

    I am looking at replacing my rotors/brake pads, but see that there are two options for my '08 3.6L base model CTS when it comes to rotor diameters for the front. I see both a 316mm (12.44 in) and a 345mm (13.58 in) option. Now, it is my belief that since I have the base model I'll need the smaller rotors (12.44 in). I'm a little lazy and don't want to go out to measure them so I was hoping someone here would be able to confirm my belief that I need the 12.44" rotors.

    Thanks.

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  3. #2
    928S is offline Cadillac Owners Connoisseur
    Automobile(s): '08 CTS 3.6L DI RWD, new engine Nov '13 @ 44Kmi.
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    Oct 2005
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    USA
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    Re: 3.6L Non-DI Rotor Diameter?

    Yep,
    FE1 (base) and FE2 suspension packages include 12.4-inch rotors with aluminum calipers.
    FE3 is 13.6-inch rotors with cast iron calipers.

  4. #3
    grsychckn is offline Cadillac Owners Member
    Automobile(s): 2008 CTS 3.6L 6-Speed
    Join Date
    Mar 2012
    Age
    34
    Posts
    45

    Re: 3.6L Non-DI Rotor Diameter?

    Thanks!

  5. #4
    rkschmidt is offline Cadillac Owners Member
    Automobile(s): 2009 CTS Sedan
    Join Date
    May 2012
    Location
    St Charles, IL
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    19

    Re: 3.6L Non-DI Rotor Diameter?

    You would know if you had the 13.6 rotors...your wheels would be eternally black :-(
    Don't ask me how I know.

  6. #5
    leigh1322 is offline Cadillac Owners Member
    Automobile(s): 08 CTS 3.6 D.I. FE-3 6M Red
    Join Date
    Mar 2011
    Age
    58
    Posts
    52
    Mine were black too. Until I finally found some ceramic type brake pads that fit the J55 brakes. Pep Boys store brand. Only one I could find. It's nice not having to wash wheels more than the car.

  7. #6
    rkschmidt is offline Cadillac Owners Member
    Automobile(s): 2009 CTS Sedan
    Join Date
    May 2012
    Location
    St Charles, IL
    Posts
    19

    Re: 3.6L Non-DI Rotor Diameter?

    I switched to Redstuff ceramic pads a while back. A little less black, but not nearly as much as I had hoped for. Should have tried the PepBoys I guess.

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