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Cadillac DeVille

2476 messages,  Last post on Aug 28, 2008 at 8:26 PM

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#1116 of 2476 Starting problem with 1990 Cadillac Deville by truesdaildoc Mar 04, 2003 (8:35 pm)
I have a 1990 Cadillac Deville. Experiencing the following problem:   Car begins to start, turns over, then cuts out after 2-3 seconds. Sometimes security light comes on, sometimes not. Sometimes car runs fine. Service engine/vehicle light(s) not on. Just replaced the ignition. Car is equipped with anti-theft ignition system (chip in key).   Can anyone help? Thank you in advance.
#1117 of 2476 TRUE by sonjaab Mar 04, 2003 (10:45 pm)
Are the keys the original ones that came with the car? If so the chip may be worn also or not making good contact inside the new ignition switch. Or did they give you new keys ? If you using old keys in a new switch I guess it may be your problem . You will prob. will have to bite the bullet and get a new key too. They are quite pricey....My girl lost a few sets ! Good luck and keep us posted or post over too http://www.gmforums.com A Caddy tech named Dan-O hangs there and prob. can help ya out ...geo
#1118 of 2476 Keys are... by lemko Mar 06, 2003 (9:01 am)
...about $30. I had a parking lot attendant mess up the chip on the ignition key for my 1994 DeVille and they were unable to start the car. Fortunately, I had a second one with me.
#1119 of 2476 LEMKO by sonjaab Mar 07, 2003 (3:02 am)
30 bucks ? Man when I went to Caddy for my 90 keys they wanted 70 bucks ! Goood thing i knew a guy who worked in the body shop....I got a discount and paid about that much ! They were for my 90...Don't think my 96 had a chip in key. MY 02 is running fine ! How about your Seville ? ........geo
#1120 of 2476 '02 Deville by bj1ss Mar 07, 2003 (12:49 pm)
Hello All,    The Cadillac Deville is quite a car! Last night in the snow while I was driving to college the car in front of me spun around, there was ice and snow on the road. But I felt the tail of the Deville come out a little then it said "Stability system active" or something like that and I got control back and didn't spin! I'm 19 and the Deville is my mom's car, I don't use my '96 Caprice LT1 in the snow, RWD. I also like the back-up system. It's quite a car!
#1121 of 2476 bj1ss by oldsman01 Mar 07, 2003 (7:11 pm)
What year and model Deville are you driving?
#1122 of 2476 02 DeVille - vibrations by fjb3486 Mar 08, 2003 (1:27 pm)
My 02 DeVille vibrates on smooth roads at speeds above 45mph. Dealer has replaced 6 tires, 2 of which were pre-screened at factory, balanced the tires more times than I can count, turned the brake rotors, and replaced the front control arms. It still vibrates, but GM says this is within normal performance. The dealer is of no help. Purchased new in Oct 02, now have 4300 mi. Anyone have this problem or a solution. I'm ready to sell and buy foreign.
#1123 of 2476 Year & Model by bj1ss Mar 08, 2003 (3:04 pm)
2002 Deville.
#1124 of 2476 Vibration by mlm4 Mar 08, 2003 (9:27 pm)
Owners of various late-model Aurora and Bonneville have had similar vibration problems, including me with a 2000 Bonneville. Your story is familiar. It's hard to say what the problem is, other than the fact that the suspension is extremely sensitive to any imbalances (GM has admitted as much). Those imbalances could be caused by the tires, wheels, control arms, tie-rod ends, brake disks, debris, hubs, etc. I've had the dealer re-balance twice as well as match mount the tires to the wheels, but still have the problem. The tires have not yet been replaced, although I'm not sure replacing them with the same make and model of tire will ensure the problem is corrected. Some owners have tried other brands of tires and had success. One owner reported that the wheel stud runout was out of spec (but not by much) and replacing the hubs fixed the problem. A few hearty folks have been successful in having their vehicles repurchased by GM under the lemon laws. It is frustrating but there does not seem to be an easy fix.
#1125 of 2476 Vibration by hydra2 Mar 09, 2003 (2:16 am)
No vibration in my 02 dts. 6700 miles with no problems, rides fine at all speeds, but it is a little thirsty at the gas pump.   You might want to have the dealer check to see if your wheels (the alloys, not the tires) are within spec. Maybe your dealer will swap the wheels off of a demo deville temporarily to help rule out a defective wheel as a possible cause. You might also try changing the air pressure in your tires up and down between 28 and 34 psi. to see if you notice a difference. Also buy an accurate (read expensive)tire gauge to make sure you have equal tire pressure all around. Don't just rely on the tire monitor in the car.   Hope some of this helps. Keep us posted on your results.

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