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  1. Weight Loss Clinic (V on a diet)

    2004-2007 Cadillac CTS-V Performance Mods
    I could not find too much info about shedding pounds for the V either conservatively or radically. I have some replacement ideas that permanently remove weight light the battery and a lighter flywheel, but what else? I would really like to know if there is an easy way to remove the fold down...
  2. 99 STS Intermittent coolant loss

    Cadillac Seville / Cadillac Eldorado Forum
    OK this is kind of strange, did it twice now about a month apart. My check coolant level comes on, I pull over and it appears coolant is coming out at a pretty good clip, cannot see where exactly, but it is coming out from under the car towards the front of the engine slightly more towards the...
  3. Could new mufflers cause loss of power?

    Cadillac STS-V Series Forum
    I got Corsa mufflers, which i must say sound amazing, but since then i have lost 2mpg average (with my wife driving mostly) and seems i feel a little loss in power. I have about 750 miles on car since putting mufflers on and i reset the average MPG guage, which used to show 18.4 and how shows...
  4. Loss of Communication with Navigation Processor

    Cadillac Seville / Cadillac Eldorado Forum
    I was coming home from work when my radio froze up. I got home shut off the car and then when I turned on the car I got this error Loss Of Communication with Navigation Processor and my radio will not come on the screen. I tried to search for this issue on the site but could not find anything if...
  5. Sudden Loss of Power...rattling noise...help...04 EXT

    Cadillac Escalade, EXT and ESV Forum - 1999 - 2006
    04 EXT with 75k miles. No trouble codes. All of a sudden it completely lost power. When I accelerate hard it has barely any power and has a terrible rattling noise in the front. Any ideas??
  6. 2001 DeVille DHS / North Star motor losing power

    Northstar Engines and System Technical Discussion
    Greetings - I own a 2001 Cadillac DeVille DHS w/ 124K miles. I love this car but lately the motor seems to have been "emasculated" or lost its pwr. This is hard to describe - Up until 2-3 months ago the car has had extremely brisk acceleration. Ever since then car cruises / accelerates as if...
  7. Strange starting problem / loss of power 99 STS

    Cadillac Seville / Cadillac Eldorado Forum
    Codes current IPC U1040 IPC B1652 SDM U1040 RSS C1783 RSS C1785 Also int on is abs/traction control lights Symptons Car was dead no power, jump start worked after fidgetting with jumper cables for a while 3 days later same thing, jump didnt work, what would happen is when hook up cables the...
  8. loss of data

    Cadillac Seville / Cadillac Eldorado Forum
    need help i am a cad tech at cad dealer 15 yrs hava a 96 seville. starts perfect runs perfect untill drop in rev or drive loses all data lights flash radio goes out ac head blank will still run and drive limp mode. unplgged ac control module all clears up. so replaced it with salvage unit still...
  9. Loss of Power on my 05V? - Help!

    2004-2007 Cadillac CTS-V Performance Mods
    It seems like my 05V (31K miles) is down on power. No trouble codes. Runs OK, but doesn't seem to have the power that it did when new. No oil smoke. When it was new, it would bounce off the rev limiter in 1st and 2nd, if you weren't paying close attention. Now it seems that you have to stay...
  10. Sudden loss of reverse

    2004-2007 Cadillac CTS-V General Discussion
    I was wondering what the problems are with the 2006 tranny's. Mine has felt kind of funny going from first to second sometimes and now it has no reverse. I just made the first payment on it last mounth and am praying this thing isn't going to turn into a money pit. Any and all info would be...
  11. Help! Remote Power Loss to additional Subwoofer...

    2008-2013 Cadillac CTS General Discussion
    I added a Subwoofer to my base Bose system (No Navi), 3 days ago I hit a bump and lost power to my subwoofer, via the remote power source. I tapped the remote power source from the rear mounted fuse block. I located a green/w white stripe wire toward the rearward top of the wiring block above...
  12. What is Code U1056 Loss of Communication with RSS

    Suspension, Brakes and Tires
    My service stability system message came on and the code read U1056. I looked it up and it said it was loss of communication with RSS. What does this mean?
  13. 1994 cadillac sts coolant loss

    Northstar Engines and System Technical Discussion
    i have been adding coolant lately and didnt know where it was going . today i noticed it is coming out from overflow tube and the the temperature started to go up do u think it can be thermostat and waterpump
  14. Coolant loss?

    Northstar Engines and System Technical Discussion
    Just got home from work and noticed a small puddle of coolant under the passenger tire. I had the A/C on, and the cars was running about 228ish. any idea it stopped quickly though and didnt seem to be a lot of fluid at all. Any ideas?
  15. Momentary engine power loss - what's up?

    Cadillac STS-V Series Forum
    Last weekend I was pulling out of a car wash (the hand-spray kind) and my engine just puked. It acted like it was running out of gas or something, and for about 30 yards I could barely keep it running. I was able to limp it off the road, and suddenly it came back to life and everything was...
  16. Boggy shift between gear 1 & 2 (loss of power)

    Cadillac Seville / Cadillac Eldorado Forum
    This is usually when my car is not fully warmed up, although it was 85 degrees out today. I start it and drive off (it was 3/4 warm this time) and when it tries shifting to gear 2, it bogs down and loses power for about 1.5-2 seconds, then 'kicks into gear' and is boggy for another second...
  17. 97 Seville SLS Coolant Loss

    Cadillac Seville / Cadillac Eldorado Forum
    Hello All, I've been losing collant fro the pass couple of weeks always feaing it's the dreaded Head Gasket. Changed out the thermostat with not luck. Finally went to a dealer an purchased a new pump and Leak tablets. Then to AutoZone for t he GM WaterPump removal socket($30.00) Started change...
  18. 97 seville sls coolant loss

    Northstar Engines and System Technical Discussion
    Hello All, I've a 97 Seville SLS with 85000 and I've been experiencing some coolant loss. there are no visible signs of leakage other than boil over when its run to long. There is a slight smell of anti-freeze. Expansion tank hose is clear and flowing. I did install a new after-market...
  19. Temporary Loss of Power Steering

    Cadillac CTS First Generation Forum - 2003 - 2007
    My 2006 V6 CTS decided to seriously flake out this evening. After a short stop on the commute home, restarting the car resulted in the power steering being gone, the ABS, parking brake and TPMS lights being lit up. In addition, the console message panel was cycling the following messages...
  20. 99 STS - Sudden Power Loss After Red Light... Car Idles Rough...

    Cadillac Seville / Cadillac Eldorado Forum
    A couple days ago I was sitting at a red light and the car was fine up to that point. I tried to accelerate but there was a noticable loss of power. The engine runs rough when I stop and idle now, it didn't before. I can see the RPMs jumping. The engine light also turned on so I checked the...
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