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Sedans Cadillac DeVille Cadillac DeVille
2506 messages, Last post on Sep 27, 2009 at 12:50 AM
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We have replaced the alternator - been tested twice. We have replaced the battery - tested and works. The line that runs from the battery to the alternator has been replaced and works. Now, here is the problem. The car will run for a little while and then dies, when you turn the car off it will not start without being jumped. (That is why we replaced the alternator) Has anyone had this problem - or might want to give me some advice on where to start. It has to be electrical - could something be shorting it out. More info - the heater will stop and start again......thanks for any help anyone can give.
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Replying to: stacy77 (Dec 09, 2008 8:38 am) If what you are saying is the car won't start after stalling, but will start later, that is a different thing. The starter might be bad - getting 'heat soaked' and then it will not start the car when it is hot. Letting the starter cool down, it then works. A friend had a Cadillac of about this age that had a failure of the electrical connecter that goes thru the firewall into the inside of the car. It stalled and then was generally dead until they found where the problem was. I would also look at both battery cables, and the connections where they screw on - the block for the ground, and the starter for the positive should be clean and tight. If there is corrision, the cables could be eaten up inside the rubber insulation. Intermittent electrical problems are always difficult to find. Good luck.
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Replying to: bolivar (Dec 09, 2008 3:24 pm) |
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| I recently had the same problem.... im guessing ur voltage gauge is reading low also as if the battery is not getting a charge well on my vehicle 2 fuses had blown which are alternator output voltage fuses i replaced both and it seemed to fix the problem. as soon as i replaced one of the fuses my voltage was back up on my gauge.im not sure exactly if u have the same setup but... its somthing to look into. | |
Hey I jus got bought my first car and it a cadillac deville 2003 with a northstar engine It has a little over 75,000 miles but while driving today It started to give off a foul smell i smelt like a rotten egg I check the engine and seen nothin then I looked ubder the car and seen sumthing hangin down it was drippin fluid and giving off steam can anyone help me out by tellin me what this r what the problem may be?
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Replying to: lilballer (Jun 26, 2008 2:53 pm) -Oil -Coolant (antifreeze) -Power Steering -Brake Fluid -Transmission Fluid -Gasoline -Windshield Washer -Battery Acid (the battery on your 2003 Deville is inside, under the rear seat) -Condensation from the Air Conditioner Each one of these has somewhat destinctive color and odour,But some are tough to determine. The only 'rotten egg' smell from an auto usually comes from the exhaust, and usually isn't anything to worry about. Oh, wait a minute. Battery acid has an acidic, somewhat rotten smell. You better hope this isn't a burst battery under the rear seat. Oh, I'm adding this in here. If you are running the Air Conditioner, it will condense water our of the inside air, and there is a drain where this comes out. All cars will drip water during the summer when it is condensing out. This is normal and nothing to worry about. In the hot summer, the first next to check is if it is coolant. Coolant will be reddish, brownish, maybe green if someone has put non-standard coolant in there, and has a sweetish smell and is slightly oily in texture. You are going to have to give us some help here. But really, if you can't determine what is leaking, you should get it to a repair shop pretty quickly. Leaking coolant will cause cause an error message to display when it leakes so much it is low, and when it gets even lower, the motor will overheat, displaying even more error conditions. Continuing to run the auto will ruin the motor. |
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How accurate are the warning dashboard lights? On my last long distance trip, it said: "service engine soon". A Cadillac dealership told me the computer points to transmission. After hearing the amount of $1250.- plus, just to find the problem, I have decided to drive home, hell or high water. After another 800 mls , I am home now, DeVille sounds perfect and the %#&^*(  light is off. What is going on? Just in case: I did check my tr. oil and it is 100% full. Thanks.
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Replying to: vladimir27 (Jul 07, 2008 11:08 am) The check engine lights are usually pretty valid. One thing that will set false errors, and usually will set a whole slew of them, is a bad battery, one with low voltage. Caddys do not like low voltage (and most modern autos are the same here), and if the voltage drops to 10 or 11 volts, this might be enough to start the car, but it may set a mess of codes, make 'strange' things appear on your digital dash, make certain components do strange things, etc, etc, etc. Your Cadillac has an extensive self diagnostic system which can easily be accessed by you. I'm not going into how to access or navigate thru this system. But, with the instructions, you can easily see the specific error 'codes' set. It will just be a number, but there are sites which will give you guidance as what general information is tied to each error code. IF it happens again, here is a link to a site with error codes and info on how to 'get into' the diagnostic system on cadillacs http://myweb.accessus.net/~090/dtcobd2.html Hosts: Please do not slap my hands about this. You told me a ciuple years ago, that if a question needed additional info found on another site, it was ok to post the link. I'm hoping that is all that I've done here. |
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