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  1. Miscellaneous banter thread

    2008-2013 Cadillac CTS General Discussion
    Couldn't play the video but agree Cadillac seemed to be focused on making a not-very-good track car with lotsa bling instead of a great road car. Was surprised at the 4112 lb curb weight, thought it was more like 3800. Does explain some of the poor MPG. Suspect it would be more comfortable with...
  2. Miscellaneous banter thread

    2008-2013 Cadillac CTS General Discussion
    What does not happen ? My tires are the correct diameter and I have never understood drift cars since are slow. With a posi, good grip, and a proper launch I do not expect more than a short eep. Of course the grip of a Florida shell road is hard to be believed by people who live elsewhere. What...
  3. Miscellaneous banter thread

    2008-2013 Cadillac CTS General Discussion
    For me the 3.73 gear in mine is too low for the tranny. Best MPG is with 2,000 rpm at 70 mph. OTOH a first gear WOT merge is "pushed out of shape and hard to steer".
  4. Recent CTS problems and Fixes. 2011CTS

    2008-2013 Cadillac CTS General Discussion
    Sedan, Coupe, or Wagon please
  5. 2011 CTS 3.0 - U0073 and P0700

    2008-2013 Cadillac CTS General Discussion
    My merc does the P0700 (generic comm failure) if the console gets wet. Sounds like you have a leak.
  6. It's too hot.

    2008-2013 Cadillac CTS General Discussion
    Actually no. After it cools off I'll probably flush & blow out the rad but getting nice flow from the fan and the key point is that if I rev a little the temp comes right back down so the rad is doing its job just there is a flow restriction somewhere. ps when it just takes a few pumps of my...
  7. P0300 Random Misfire

    2008-2013 Cadillac CTS General Discussion
    Does it clear off idle ? Autel needs two PC programs, one for updates and the other to print (playback). Once the parameters show on the display, if you touch EDIT it opens notepad.
  8. Adding Auxilliary Water Pump

    2008-2013 Cadillac CTS Performance Mods
    Thank you. Cars and computers are my toys now that I am retired and summer limits garage time.
  9. It's too hot.

    2008-2013 Cadillac CTS General Discussion
    Last one I disassembled did. If the coolant dropped under 170F the cruise control would drop out (on an Interstate). Mixture maps were "all in" before that so I doubt it. Can see if the pulse width command goes up.
  10. It's too hot.

    2008-2013 Cadillac CTS General Discussion
    a) low speed but suspect it is variable. Haven't looked at the programming. b) " a desire to achieve cooler operating temps" - agree. OTOH personally do not like anything over 200 since have found that at that temp things under the hood fail mere often particularly since I live in a hot climate...
  11. Adding Auxilliary Water Pump

    2008-2013 Cadillac CTS Performance Mods
    No, keep questioning, that is how I learn. Just some seemed to be questioning why I felt this way and thought a bit of background would help, is not a whim. Keep in mind that once upon a time I designed road race cars, mostly SCCA Formula and Sports Racers. The one battle we were always...
  12. It's too hot.

    2008-2013 Cadillac CTS General Discussion
    Depends on your interpretation. I will agree that it may be working as designed (but "as designed" gave us the Vega, Fiero, and 350 diesel). ps I still keep a spare oil pressure sensor around, GM even issued a TSB on the subject.
  13. Adding Auxilliary Water Pump

    2008-2013 Cadillac CTS Performance Mods
    Well I have calibrated my IR gun but do not "trust" one over the other, just note that there is a discrepancy that I am trying to resolve. OTOH the coolant temp was about the same as the IAT this morning before startup, 91.4F - another data point. That said I do not always agree with design...
  14. P0300 Random Misfire

    2008-2013 Cadillac CTS General Discussion
    Was same for 4wd. You realize that the entire scanner function list for GM is 242 pages/11Mb https://pro.autel.com/measurecar-1-1.html?m=4 (change model to DiagLink, select Brand: GM)
  15. Adding Auxilliary Water Pump

    2008-2013 Cadillac CTS Performance Mods
    Did run tests with good IR gun (calibrate thermostats with boiling water) and with OBD reading of 215, nothing under the hood was over 190 except the oil filter housing and the exhaust manifolds. Makes me wonder if the sensor is accurate. However indicated coolant temp did drop to 206 when...
  16. Maintaining Settings During Battery Swap

    2008-2013 Cadillac CTS General Discussion
    I just connected my HF jump box to the terminals under the hood while replacing the trunk battery. I use only AGMs any more. Only hard part was getting to the clamp bolts toward the rear of the car. Even with a jump box always disconnect the negative cable first and replace it last.
  17. Small coolant leak - appears to be from the water pump

    2008-2013 Cadillac CTS General Discussion
    Why it is important to remove the belly pan for a few days and see exactly where the drip is coming from. Also this time of year the AC may also drip but that will be near pure water (antifreeze both smells and feels oily if rub between fingers).
  18. 2008 CTS - How to re-program a new BCM (Body Control Module)?

    2008-2013 Cadillac CTS General Discussion
    Was any work done recently ? If just TC and ABS I'd suspect a bad wheel sensor. With the whole dash going wonkey I'd look for a bad ground. Personally put a DVM in the cig lighter socket to watch the charge rate but is valuable for things like this.
  19. Miscellaneous banter thread

    2008-2013 Cadillac CTS General Discussion
    Was at a party at the top of the BT tower (highest building in London) when the 2nd Gulf War broke out. There was a pool for which way the plane would come from (Gatwick got more votes than Heathrow and City was not in contention). Was a no-show though.
  20. Adding Auxilliary Water Pump

    2008-2013 Cadillac CTS Performance Mods
    Well I have the radiator bracket molded in and the hose is present. Looks like I just need to find one in the recycling center. Can just put on a manual switch to see if can control idle temp rise.
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