2000 STS - New Owner!
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Cadillac Seville / Cadillac Eldorado Forum Discussion, 2000 STS - New Owner! in Past Cadillac Vehicle Discussion; Good afternoon! I've just bought a 2000 Seville STS....my first Cadillac. It's beautiful. Diamond white w/oatmeal. Only 33K miles! Fully ...
  1. #1
    BigErn23's Avatar
    BigErn23 is offline Cadillac Owners Member
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    Cool 2000 STS - New Owner!

    Good afternoon!

    I've just bought a 2000 Seville STS....my first Cadillac.
    It's beautiful. Diamond white w/oatmeal. Only 33K miles!
    Fully loaded. Elderly driven....clean CarFax. Gorgeous car.
    I love it! I've driven a fair share of Cadillac, never owned one.
    ....but this is by far the nicest riding car I ever had the pleasure of driving.

    I purchased this car, my intententions as a daily driver.
    .....but now I dont even want to drive it, I appreciate the condition so much.

    On the other hand....I've read a ton of discouraging info on these cars. Money Pit.....etc.
    I've already experienced a couple issues.
    Car has died out on me 3 times already. Twice right after putting into gear and once at a red light.
    I've done a little research before I bought it.....I was VERY skeptical about buying a 13/14 year old Cadillac.
    ......but it was so buttery, I couldnt resist.

    So....

    I say all to say I look forward to networking in this forum, and also to see if anyone can advise on this car.
    I.E.....preventative maintenance. Things to look out for at 33K. Encouragement to a first-time USED Cadillac owner....etc.

    Thank you!
    Attached Images
    bwv565 likes this.

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  3. #2
    Submariner409's Avatar
    Submariner409 is offline If it won't run, slap in a big stereo
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    Re: 2000 STS - New Owner!

    Welcome Aboard !!!

    The stalling at slowdown and at a light ......... Classic symptoms of failing CKP's (CranKshaft Position sensor(s)) - the triggers for the ignition and injector timing.

    Study the proper year group/model parts of the sticky post ^^^ "How to pull codes" - from your car's built-in diagnostic code scanner/reader. I'll bet you see a P 0335, P 0336 and/or P 0385, P 0386 - either Current or History.

    Many How-to's down in Discussions, Item Specific: Cadillac Tech Tips, or Google "cadillac forums 2000 seville ckp replacement" or something close, always preceded by "cadillac forums .......". If you do find that a CKP is faulty, change them both - the originals were made by Siemens in Mexico and had a high failkure rate - the replacements are branded AC Delco and made by DENSO in Japan - very much better. About $100 for both from Chris in Parts at Rippy cadillac over there >>>> or from www.rockauto.com.

    Pictures and diagrams in my albums - clck my username, open the profile, left column - 2 albums 6 pages of stuff for your car/engine.

  4. #3
    basscatt's Avatar
    basscatt is offline Cadillac Owners Master
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    Re: 2000 STS - New Owner!

    read the owners manual - COVER TO COVER - TWICE -
    the stuff that this car offers is stunning -

    pay particular attention to sections 2 and 3 -

    learn about the PERSONALIZATION features -

    --------------
    I've already experienced a couple issues.
    Car has died out on me 3 times already.

    Crankshaft Position Sensors were a big problem -
    when they act up - they may or may not set a code -

    speaking of codes -
    check for Diagnostic Trouble Codes -

    if you don't know how - go here and read the ENTIRE post -

    http://www.cadillacforums.com/forums...odes-dtcs.html

    if you have any codes - post them here -
    ALONG WITH THEIR DEFINITIONS -
    -----------------------------

    Only 33K miles! - Elderly driven
    that isn't necessarily all good news -

    low miles is great - HOWEVER -
    that also means NOTHING has been replaced -
    and everything is 14 years old -

    carefully inspect ALL the rubber stuff for dry-cracking -

    if any of the heater hoses pop - you are stuck on the side of the road -

    same goes for the serpentine belt - and the water pump drive belt -

    also check out the tires -
    the tread probably looks like brand new -
    but if you see ANY checkering - or lots of small cracks on the sidewall -
    replace the tires - they are unsafe - especially at highway speeds -

  5. #4
    Ranger's Avatar
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    Re: 2000 STS - New Owner!



    WOW! Only 33K. What a find. Any car can be a money pit. I think at that mileage you have a long way to go before that happens. Less so if you do your own wrenching.

    I agree with Sub. Most likely bad CKP sensors. Very common on the 2000-2003 engines (GM had a bad supplier). I think I got mine on Amazon for about $77 (shipped).

    If you don't know when the coolant was last changed, change it and do so every 2-3 years regardless of what the owners manual says. Also clean the TB. First time may be a little difficult, but if you do it every spring it will be very easy. There should be a good tutorial in the Tech Tips section.

  6. #5
    BigErn23's Avatar
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    Re: 2000 STS - New Owner!

    Thanks ALL!
    This is a really cool community and great resource for help!
    ....makes me think I'm not alone! lol

    I appreciate your time and responses. I'll certainly run that diagnostic when I get back in my car.
    I had no idea how to do so.....so thanks!

    Also....I believe the last oil change used synthetic (It was just changed before I bought it.....little sticker reads "SYN").
    Do I stick with synthetic? Any advice on oil/changes? Also I read this motor is designed for regular unleaded. Manual indicates premium. So far I filled up on 89. Any thoughts/comments on gas? Thanks again!

    Oh.....and pardon me for any poor forum etiquitte. I'm new to all this.

    Have a great day!

  7. #6
    bwv565 is offline Cadillac Owners Enthusiast
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    Re: 2000 STS - New Owner!

    I love the white color of your car. It's really classy.

  8. #7
    Submariner409's Avatar
    Submariner409 is offline If it won't run, slap in a big stereo
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    Re: 2000 STS - New Owner!

    BigErn, The 2000 model year saw the change from flat tappet to roller cam followers, a redesign combustion chamber and compression ratio lowered to 10.0:1 - the engine is calibrated to run on 87 octane gasoline.

    5W-30 is the recommended oil viscosity for your engine. Whatever type floats your boat. If the oil change sticker shows SYN there is no reason not to stick with it. Any of the name brands is perfectly fine.

    Learn how to interpret the OLM (Oil Life Monitor) in the DIC - change oil/filter when it tells you to or at 1 year/10,000 miles, whichever occurs first.

    Oil change is exactly 7.5 quarts (I like a WIX 51522 filter) and maintain the oil level at the middle part of the hashmark -
    <
    === ADD XXXXXXXXXX OPERATING RANGE =============O. Any higher is overfilled and may lead to increased oil consumption.

    Study the sticky posts in each forum of interest - timeless info, and study the entire Cadillac Technical Archive way up ^^^ in the top black bar. Study the stickys in Engines, Northstar Performance pertaining to fans, gauge operation, and cooling system. DTC, DIC, FPR, OLM, etc., etc. ? --- the Acronyms sticky. For pictures and diagrams of your engine and other parts, use my albums - click my username, open the profile; left column, 2 albums 6 pages of stuff for the 2000 - 2004 Sevilles.

    EDIT: As Ranger posted, Tech Tips is full of good info and How-to posts. Lots of pages, though.

  9. #8
    basscatt's Avatar
    basscatt is offline Cadillac Owners Master
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    Re: 2000 STS - New Owner!

    I believe the last oil change used synthetic
    Do I stick with synthetic? Any advice on oil/changes

    I see no big benefit to synthetic oil in the Northstar motor -
    Cadillac did not use it - and does not suggest/require/recommend it -
    I use regular oil - Valvoline 5W30 - with either a Delco - or WIX oil filter -

    for oil changes - follow the Oil Life Monitor -
    or once a year - which ever comes first -

    as far as gas/octane - unless you are towing a trailer - or racing -
    87 octane regular is all you need -
    you will see absolutely ZERO benefit to using anything higher than 87 -

    and we might as well finish this by killing off other performance myths -

    do not be tempted by ANY performance enhancing stuff -

    regular pleated paper air filters do a better job of cleaning the air -
    and can deliver MORE air than the engine can use -
    K&N and other expensive "designer" air filters are a waste of money -

    same goes for oil filters - the regular Delco or WIX do the job -
    more expensive designer oil filters are a waste of money -

    magic potions are also a BIG waste of money -

    you do NOT need any fuel system or injector cleaners -
    or fuel system boosters - or any engine oil boosters -
    you do NOT need any transmission additives -

    there is NOTHING you can bolt on - screw on - stick on - clip on - tape on -
    pour in - pour on - pour over - that will increase mileage or power - NOTHING -

    we are here to help - any time you have a question - just ask -

  10. #9
    BigErn23's Avatar
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    Re: 2000 STS - New Owner!

    Thanks for the responses and the "like"!
    I appreciate it.....you guys know your stuff.

    But....am I to understand oil changes are only once a year or 10K miles?!

    (I was actually thinking about looking into aftermarket air intake, but you answered my question about that!)


    I actually have a lot more questions....I'll let them out as I learn how to navigate this forum better.
    I've seen references to certain areas of topic (engine....etc) and sticky notes. I havent quite figured how to search or post different topic areas.

    Anyhow...thanks again.

  11. #10
    basscatt's Avatar
    basscatt is offline Cadillac Owners Master
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    Re: 2000 STS - New Owner!

    am I to understand oil changes are only once a year or 10K miles
    I suggested following the Oil Life Monitor -
    change the oil when it gets down near 0% -
    or once a year - which ever comes first -

    the OLM monitors HOW the car is used -
    and constantly adjusts the % - it CAN be trusted -

    I've seen references to certain areas of topic (engine....etc) and sticky notes.
    there are SEVERAL - as in MANY individual forums
    within the cadillacforums.com site -

    this is the Seville/Eldo forum -

    here is a link to a list of ALL the forums within our site -

    http://www.cadillacforums.com/forums/forum.php

    special interest stuff would be in this list -
    http://www.cadillacforums.com/forums...ac-discussion/

    included here are Tech Tips -
    http://www.cadillacforums.com/forums...lac-tech-tips/
    ----------------

    the Northstar Motor stuff is here -

    http://www.cadillacforums.com/forums...al-discussion/
    -------------------

    at the beginning of each forum are "STICKIES" -
    these are answers to VERY common questions -

    hope that helps -

  12. #11
    Submariner409's Avatar
    Submariner409 is offline If it won't run, slap in a big stereo
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    Re: 2000 STS - New Owner!

    Ern, The site has a search feature at the upper right of any page - a type-in box. If that doesn't turn up what you want, use Google - type in something like "cadillac forums 2000 seville oil change interval" or whatever, always preceded by "cadillac forums ..........".

    To get to the site main page, with it's laundry list of cars, engines, clubs, years, forums, classifieds, site news, etc, click the little Cadillac Forum tab in the upper left of any page.

    If you get tired of seeing the Vendors and Current models forums appear on the main page, use the ^ icon at the right of the forum title bar and that collapses the list of forums, in that year group, into one line.

    ............. The OLM is explained in your owner's manual, and in greater detail up in the Cadillac Technical Archive - top ^^^ black bar.

  13. #12
    basscatt's Avatar
    basscatt is offline Cadillac Owners Master
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    Re: 2000 STS - New Owner!

    The site has a search feature at the upper right of any page - a type-in box

    that SHOULD read -

    The site has a TOTALLY USELESS search feature at the upper right of any page - a type-in box -
    WHEN that doesn't turn up what you want, use Google-

  14. #13
    BigErn23's Avatar
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    Re: 2000 STS - New Owner!

    Thanks, Guys.
    I think I'm getting the hang of it now!

  15. #14
    BigErn23's Avatar
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    Re: 2000 STS - New Owner!

    One more thing....LOL
    (you all have been very knowledgeable and helpful thus far)

    I just began having issues with headlights last night

    If someone is familiar with the lighting on this car/HID please advise!
    http://www.cadillacforums.com/forums...l#post11021241

    Thank you!

  16. #15
    BigErn23's Avatar
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    Re: 2000 STS - New Owner!

    Car just stalled in the middle of an intersection.
    ....started up and it immediately died again.
    Started right up again and was able to continue to and from.

    I guess I'll be looking into changing this CKP sensor(s).
    Thanks for info.
    Have you changed them before?
    I am rather technically inclined with access to a lot of tools, but I dont have the means to pull motor or anything that serious.
    I'll do some research and see if I can figure this out.
    Thanks!

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