Cadillac - Deville :: 4T80e Transmission Stuck In Gear
Dec 13, 2014
04 deville. Trans is stuck in gear. Or seems to be. Car is off. Crank car, starts fine so gear selector/neutral safety switch is ok? Car is running, shifter is in park, take foot off brake amd car moves forward. Since its in gear. Apply brake, shift to neu or rev and car will still move forward. The 2000 caddys had an external neutral safety switch. The 04 cars have an internal switch. If that has an bearing on discussion. Could trans shifter linkage inside trans be messed up? So spool valve in trams is always in gear but shift selector works properly so car can be started?
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We recently purchased a used 99 Cadillac Deville.after buying it we took it to the shop for an oil change, we were told that we had a slight oil leak and slight transmission leak but that both were small snd nothing to worry about, thinking we had a decent running vehicle we took the car out of town 2 times we still didn't have any issues until about a week later we were running errands and the car alerted us that the coolant was overheated and to idle engine...my question is what could be the cause etc?? We did buy coolant because afterward we noticed it was low we filled it up and we r still having this problem.
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I have a 1999 Cadillac Deville. when you start the car, it must warm up and then a signal appears on the dashboard that says to depress brake pedal and shift into gear. HOWEVER, after the message appears and I depress the brake pedal, it still will not shift. Now I have the world's largest paperweight sitting in my driveway, because I cannot even get it to a repair facility. What is wrong, How do I fix it?
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I am having an issue with my car not starting due to the alarm i see you can bypass but i was wondering if i have an aftermarket alarm installed would that take care of the problem.
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At times when going to start our 1998 Caddy you can turn the key and ..... nothing happens, no clicking ... nothing. Everything else works but it is like you are not even turning the key. Is there a weak spot on these cars?
I am familiar with solenoid/starter issues but this seems a bit different for some reason.
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I have a 1992 Cadillac DeVille with 25,000 miles on it. It’s never been driven in the winter and garaged when not being driven.Last year, it was running rough, so I took it to the dealer. They changed the spark plugs and wires. There seemed to be some improvement after that. After about 500 miles, it started to rn rough again. I returned to the dealer who changed the spark plugs again and replaced two of the fuel injectors. Still no improvement. A few hundred miles later, I took it to a local mechanic. He replaced four more fuel injectors and there seemed to be some improvement.After another few hundred miles, the engine started to run rough again, the fuel dropped down from about 20 mpg to 10 mpg, and it stalls at traffic stops or if the brake is applied. After 30 minutes of idling it will use 5 gallons of gas. There are no strange odors or visible leakage.
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Recently my check engine light came on on my 98 Cadillac Deville. I went to Autozone and got a free engine diagnostic and was given a printout of a bunch of stuff I did not understand, the technician told me it was just an issue with the light, and it could be fixed with unhooking the black end of my battery for 10m. Just a little bit ago, i popped the hood, and touched the black end of the battery to see how i could unplug it. When i touched it I heard a click and now there is no power to my car. Every time i jiggle the negative end I hear a click from the right side of the engine and nothing happens. I did not even unhook the battery.
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How do you replace an oxygen sensor in a 1997 Cadillac Deville? Where is it located?
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I recently had a lot of repair done to my 2003 cadillac: new bearings in both front wheels, new power steering line, rotors turned, cv axel replaced.I also bought new Michelin "Symmetry" tires as I am taking a long trip.
I had Toyo tires with some wear and had them rotated at another place other than my mechanic's. After that I noticed the humming noise in the front; it sounds like it is coming fron the driver's side and is most noticeable when I drive 35 or 40 mph. My mechanic said he checked everything carefully and couldn't figure out the problem.
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This noise just recently started, when i go about 65mph I can hear a chirping noise from under my hood. It only happens when i go at fast speeds though.
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The motor turns over, but it will not start.
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1995 Cadillac DeVille Base 8Cyl 4.9L - Transmissions & Drivetrains check vehicle soon, error code p039 TCC engagement Torque Converter Clutch. I looked up what error code p039. How to correct the problem.
The problem I think is the torqure converter sensor or pcm = Powertrain Control Module / prom = Programable Read Only Memory is not working or sending the single to the computer.
The trans does not slip and drives great. Is there a chip or module I can purchase if so where. How can I find out how to repair myself if possible.
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I have a 1991 Cadillac DeVille sedan with about 150,000 miles, I purchased this at an estate sale. As soon as I bought it, I replaced the spark plugs, wires, distributor cap, rotor, serpentine belt, power steering pulley, and of course changed the oil and oil filter. I was getting about 14-15 mpg (compared to 12 when I picked the car up). And the car ran good, not like brand new, but good. About a couple of weeks ago (as it started getting hot) the car would start chugging, backfiring and stalling, only after about 20 miles of driving (my commute to work is 35 mi), so I would spend the other 15 miles driving with four-ways on going at most 30 mph. But, on the drive home (at 2 am) I would have no issues. So, I got sick of that fun and changed the PVC valve and fuel filter (which looked like the original) and with every fill-up in addition to using 93 octane gas (as directed) and fuel injector cleaner, the gas mileage is around 10 mpg and the chugging persists after heating up. Two things to note,
1) the fans for the radiator do not turn on at all, and
2) the catalytic converter doesn't smell like rotten eggs.
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I have a 1993 Cadillac Deville and the Fuel Data panel will not display except once in a while it will for a minute then it'll go blank again. The Electronic Climate Control panel displays and works just fine. I have no trouble with the a/c or heat at all.
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I have a 92 Deville. I drove a pretty good distance today and on the way home stopped at the store and left the car on in the parking lot. I got in and the engine died as I tried to pull out of the lot. When I try to start the car all the lights come on but nothing happens, no clicks or anything. Lights don't even go dim. Could this be the alternator? I know that the starter suddenly dying won't cut off the engine like that. Everything seemed fine before idk what gave out?
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1971 cadillac wiper control lever will not turn on the wiper blades at any speed selected on the control lever but if you push forward on the chrome button on the lever the washer and intermittent wiper blades will work.
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I have a 2003 Cadillac Deville with about 120,000 miles on it. The SES light came on and I had some maintenance done at STS. The light came back on the night I picked it up. I took it back the next day, they said it was related to the transmission and they do not do transmission repairs. They cleared the light and said if it came back on they could flush the transmission and maybe that would take care of the problem or they suggested I should take it to a transmission repair shop. The error codes are p0741 & p1860. Once in a while at the beginning of a drive I experience a sluggish acceleration, it does not last long( a second or 2) and then runs fine for the remainder of the drive.
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The check coolant message comes on my message center on my 2002 Caddy Deville. I have checked this and there is plenty of coolant. Can this be repaired without removing and installing a new coolant overflow tank?
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While I have systematically tried to fix this problem over the last 6 months, I have not been able to get fuel to flow from the fuel rail into the injectors on this 4.6 L Northstar engine. I have 40 PSI of fuel at the fuel rail, and the engine will crank but not start. If I put starting fluid into a one of the cylinders, that cylinder immediately fires and then stalls. I have checked the wires going to the injectors and they seem fine, as well as replacing the ECM and fuel pump. The fuses for the injectors are good, so they should be getting electricity. 1994 Cadillac Concours...
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Everything seems to be working added fluid to reserve tank it was low checked hoses at firewall and felt them they were warm. When I play with the climate control buttons I get some warm air very briefly thru dash panel vents but otherwise cold to floor etc.
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Since the end of September 2015 my 1991 Cadillac Deville has been sitting on the driveway untouched. I wanted to drive it again, but before I did I wanted to ask you, members of the forum, if there is anything I should do to the car prior to driving it?
The vehicle has been sitting there untouched for about 7 months and I’m concerned about the gas, potentially the oil. Just prior to it sitting there I had all of the fuel injectors replaced which cost a fortune, so I want to be sure to tackle this issue of bad gas in the best possible way.
A little aside, I know the Cadillac needs a new battery. I would also like to mention the last oil change it had was probably a year ago which I used full synthetic mobile one and I probably put a thousand miles on it since that last oil change. The Cadillac was in full working order prior to having it sit there for almost 7 months.
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