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  1. 2007 STS 4 no sound at all from any speakers.

    Cadillac STS Forum 2005 through 2012
    Was driving about a week ago to my friend's house, playing music, when I got to my friends house the speakers were working fine, but when I left about four hours later I turned on my car and no speakers emitted any sound and have not worked ever since. Do you think this is the problem with the...
  2. STS Cold air intake

    Cadillac STS Forum 2005 through 2012
    I have a big question, I'm in Mexico and its very hard for me to find any parts for my 2007 STS Northstar V8 I'm wondering if I can use any other cold air intake and a grille out of a CTS, SRX, ATS or Escalade on my STS Thanks in advance
  3. Voltage jump 2006 STS-V

    Cadillac STS-V Series Forum
    Hey y’all I have a 06 stsv and after not driving for about a day and a half she cold starts fine and I’m on my way with ac on full blast because it’s July in texas and I notice after 5 min my ac starts fluxuating every 2-3 secs and my ac temps were diming every 2-3 secs with it so I look at my...
  4. Charging system @ 18V after alternator replacement - no low beams or high beams

    Cadillac STS Forum 2005 through 2012
    I replaced my alternator in my 2006 STS about a week ago. Since then I have been getting a high voltage warning on my dashboard, around 18+. All my accessories power off during this time. Finally about 7-10 min later voltage goes back to normal around 13V, and all my accessories turn back on. I...
  5. 2008 STS Platinum with Northstar - sitting for a year; problems

    Cadillac STS Forum 2005 through 2012
    This car has been sitting for a year and if I can fix it up I can keep it. The fobs don't work well. New battery. When I hit the keyless start button it shuts down. Can I reset to some point in time ? I am on disability and need to do it myself. Tom
  6. Removing vapor canister vent valve in 2001 STS

    Cadillac Seville / Cadillac Eldorado Forum
    I need to remove the vent valve on my 2001 STS (to diagnose a P0440 code). I suspect the vent valve is defective as I no longer hear it click-click right after vehicle start. It's hard to reach, and there appears to be a single bolt well rusted in place (see #1 below). Any advice on how to...
  7. Weird noise when in Manual Shift Mode

    Cadillac STS Forum 2005 through 2012
    2005 STS V6 Whenever I put the car in manual shift mode, a weird squeaky noise occurs when at idle or driving slowly. It doesn't do this in Sport Drive or Drive, only in this mode. New transmission fluid and filter, nothing bad there.
  8. 1997 STS key fob not working

    Cadillac Seville / Cadillac Eldorado Forum
    The original key fob was working then all the sudden stopped. I replaced the battery and that didn't fix the problem. I ordered a replacement off ebay which didn't work so I replaced the battery again. I've tried reprogramming multiple times. I followed the instructions using the RFA prompt on...
  9. remote door locks,trunk,fuel door not working and other issues...2000 sts ,150k valet is OFF

    Cadillac Seville / Cadillac Eldorado Forum
    As stated above my key fob will not activate my door locks (all) or the trunk and fuel door. The valet switch is OFF. fuses and relays seem ok. Also the air ride does not work all the time. when it does it works fine...seems like after a stop and ensuing cool down it literally sounds like the...
  10. 2014 XTS V Sport Platinum for sale

    XTS Cars For Sale
    2014 Cadillac XTS V Sport Platinum for sale Anyone interested please pm me for pics & details on the car. Personally posted on FB personal site. 952256268508506 I've owned several V series vehicles in the last 20 years but this one here is all around great from the Factory. CTS-V 2005, STS-V...
  11. 07 3.6 starts then shakes slowly to halt

    Cadillac STS Forum 2005 through 2012
    Hello, A friend of mine has an 07 sts. 3.6 LY7 and around 60k. Recently I replaced timing chains on his car as he drove about 450 mi on a set that was making some “real bad noises” and dealer verified this problem. I also ran codes before they diagnosed and came up with typical timing chain...
  12. 2005 STS Oil and Air Leaks GALORE

    Cadillac STS Forum 2005 through 2012
    My wife has a 2005 STS with the Northstar V8. The car started losing a lot of oil, I had a good diagnostic mechanic check it out. Here's what I have: Both valve cover gaskets are leaking small leak at the oil filter adapter PCV valve hose needs to be replaced variable valve timer solenoid needs...
  13. Sts v moisture in headlights

    Cadillac STS Forum 2005 through 2012
    After a big stormexcessive moisture formed and now is about a inch of water in the bottom of my drivers headlight , any suggestions ? I’m thinking I can take them out dry and re seal but is it worth buying a new set and just adding seal to thenew pair ? Thanks 2006 stsv
  14. 1994 STS intake manifold explosion

    Cadillac Seville / Cadillac Eldorado Forum
    Hello dear cadillac community, most sincere salutations from Turkey / Ankara First of all i want you to know im soo desperate and hopeless about this particular issue of my Cadillac Seville STS 1994 model car. Manifold keeps exploding everytime we press the starter. It literaly exploded like a...
  15. STS Heated Steering Wheel - New Questions!

    Cadillac STS Forum 2005 through 2012
    New questions for some of you more technical gurus on this site. My heated wheel fails to turn on like many others have in this forum (no light on switch and no heat when depressed) on my 2009 STS. I've read, re-read, scoured through AllDataDYI and still can't find the answers to my questions...
  16. Random Multiple Misfires

    Cadillac STS Forum 2005 through 2012
    I bought a 2005 STS a few weeks ago. I knew it needed help, call it a rescue(well maybe). First thing I did, after checking fluids of course, was change out the spark plugs. When I did that, I found oil in a couple of the wells, so I swapped out the valve cover gaskets. No more oil in the wells...
  17. ISO 07 STS sunroof full kit

    STS/STS-V Parts For Sale
    My sunroof was 1000% smashed in a hail storm so it’s currently a hole. Please help me out finding one! I also need a hood, trunk and basic modifiers. Please hit me up if you have anything that would help!
  18. CT6 + STS

    CT6 + STS

    OLD OR NEW??
  19. Keyless range issue

    Cadillac STS Forum 2005 through 2012
    Hi, So I have a Cadillac STS 09, and I noticed my keyless entry is not working correctly. I have replaced the switches (actuator (double switch)) on the driver side which was a mistake as this issue is still occurring. I just trouble shot the issue with my windows rolled down and slowly brought...
  20. How to LOWER an STS?

    Cadillac STS Forum 2005 through 2012
    I have a 2005 STS with FE1 (Self-Levelling) shocks and got myself H&R Lowering Springs for the 2nd gen CTS. I read about raising the top mount of the shocks and cutting/trimming the rubber spacer on top of the shock. What do you guys think? Thank you.