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Cadillac DeVille 1985 to 2005 including:
1985-1992 Fleetwood, 1993 Sixty Special, All FWD Forum Discussion, 2001 DTS - new to me - tune up ? in Past Cadillac Vehicle Discussion; Thanks for the heads up MoistCabbage!!...
  1. #16
    LoveMyLac is offline Cadillac Owners Member
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    Re: 2001 DTS - new to me - tune up ?

    Thanks for the heads up MoistCabbage!!

  2. #17
    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
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    Re: 2001 DTS - new to me - tune up ?

    Lac ........... Our panel air filters - look at AC Delco, Fram, WIX, PartsMaster, Purolator. If you really want to get anal about media surface area, open each box (of those you can find) and count the number of pleats in the panel: More pleats = more filtration area = less restriction to airflow + ability to trap more dirt. Another thing to eyeball is the "depth" of the embossed ridges on each pleat - deeper embossing exposes more media to airflow.

    And, as MC posted, any of the above filters flows far more air than the 279 c.i. engine needs at WOT. If you can keep manifold vacuum to less that 1 to 1.5 inches at redline WOT you have essentially NO intake restrictions.

    Remember: The engine does NOT suck in air. The wider the throttle opening, the faster atmospheric pressure (14.7 psi at sea level) can push air into the vacuum created by the running engine: Naturo abhorret a vacuo (Nature abhors a vacuum).

  3. #18
    LoveMyLac is offline Cadillac Owners Member
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    Re: 2001 DTS - new to me - tune up ?

    Thanks Sub. I picked up the K&N since it could be cleaned and recharged.

    I just picked up Vol. 1 and 2 of the Service Manual. Does anyone know if 3, the body and accessories book is worth picking up?

  4. #19
    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
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    Re: 2001 DTS - new to me - tune up ?

    Whatever - I prefer to throw the dust and sand into the trash can rather than push it through the filter by "cleaning" and have it and the "recharge" oil vapor sucked into our touchy MAF sensor and throttlebody.......... and around $50 for a boutique filter buys a lifetime of perfectly good pleated paper filters.

    ??? "Cleaned and recharged" ??? You KNOW that K&N sticker is good for 2.875 hp at idle. Been there, done that.

    If yours is a 3-volume set, they're all handy to have.
    pose_sts and LoveMyLac like this.

  5. #20
    MoistCabbage's Avatar
    MoistCabbage is online now Cadillac Owners 10000+ Posts
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    FWIW:

    K&N filter retail price - $45.

    K&N Recharge Kit retail price - $10.

    AC Delco air filter retail price - $11.

    For the price of the K&N filter you could buy 5 paper element filters (and there are cheaper ones). That's 60K miles, or an average of 5 years of driving. So the K&N gets you 5 years/60K of inferior filtering for the same price...
    LoveMyLac likes this.

  6. #21
    Ranger's Avatar
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    Re: 2001 DTS - new to me - tune up ?

    Ditch the K&N.

    I forget what's in volume 3, but most only come with 2 (mine included). I don't think volume 3 is really necessary.
    LoveMyLac likes this.

  7. #22
    LoveMyLac is offline Cadillac Owners Member
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    Re: 2001 DTS - new to me - tune up ?

    I returned the K&N not that I'm really worried about the horsepower, but if a paper is better I'm all about doing what is best for my car. I got it for $23.

    ----------

    Quote Originally Posted by Ranger View Post
    Ditch the K&N.

    I forget what's in volume 3, but most only come with 2 (mine included). I don't think volume 3 is really necessary.
    Vol. 3 is body and accessories. If I can get it cheap I'll pick it up.

  8. #23
    Ranger's Avatar
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    Re: 2001 DTS - new to me - tune up ?

    Never hurts to have it. I thought I had that in two volumes, but I may be wrong.

    P.S.
    Sub was only kidding about HP. Despite their claims, K&N won't gain you anything.
    LoveMyLac likes this.

  9. #24
    LoveMyLac is offline Cadillac Owners Member
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    Re: 2001 DTS - new to me - tune up ?

    With my 99 I used a Haynes guide which was partially useless. I'm mechanically inclined for the most part, but was wondering are the OEM service manuals easier to follow? For instance, my Haynes manual was hard to follow when changing my fuel pump (I gave up), Luckily I had a mechanic friend who did it for $100 and I supplied the parts.

  10. #25
    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
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    Re: 2001 DTS - new to me - tune up ?

    The OEM (GM/Helm) service manuals are huge and can be a true PITA to follow. But ALL the procedures, torque settings and diagnostics are there, as well as chapters on suspension vibration diagnosis, all RPOs, all DTCs, and hundreds of diagnostic trees. Alldatadiy is a good source, and there are a couple of other online service manuals. The GM CD is a bear to use.

    The GM manuals and CD are never updated; Alldata is.

    The eBay pricing used to be around $40 - $80 a set, but with the huge Helm price increase ($300 ??), the online sellers have also gone up. www.helminc.com

  11. #26
    LoveMyLac is offline Cadillac Owners Member
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    Re: 2001 DTS - new to me - tune up ?

    Would a cd changer plug and play into my 01 DTS? Or do I need a different head unit?

  12. #27
    Submariner409's Avatar
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    Re: 2001 DTS - new to me - tune up ?

    Depends on which sound system option is in the car - there were 3 or 4 for our years. Mine has the bells and whistles Bose system with the 6-CD changer in the lower center console armrest compartment - and there is a dedicated pigtail in the harness for that. You might get lucky.

    Use the factory service manual for wiring diagrams and to bounce your sound system RPO off the different systems shown in the manuals.

    Regular Production Option - The list on the underside of the spare tire cover. Every standard and upscale option installed in YOUR car.
    LoveMyLac likes this.

  13. #28
    13ir14314's Avatar
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    Quote Originally Posted by LoveMyLac View Post
    Would a cd changer plug and play into my 01 DTS? Or do I need a different head unit?
    Yes, the pigtail will be behind the glove box but you have to get the changer from a 00,01 deville, Seville or it won't work.
    LoveMyLac likes this.

  14. #29
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    Re: 2001 DTS - new to me - tune up ?

    Quote Originally Posted by LoveMyLac View Post
    Would a cd changer plug and play into my 01 DTS? Or do I need a different head unit?
    ----------------------------
    YES - you do have the BOSE system - and the wiring harness is already there -
    it really is simply Plug-N-Play -

    like 13ir said - it MUST BE from a 2000 or 2001 Deville -
    or a 1998 through 2001 Seville - AND THAT IS ALL -

    other units LOOK identical - but WILL NOT WORK -

    you should be able to find a good one on ebay for $50 to $100 -
    be sure it comes with the CD cartridge -

    NOTE - the Seville unit mounts in the center console -
    the Deville unit mounts to the top of the glove compartment -

    the CD units are the same - the mounts are different -

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