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Cadillac DeVille
This category covers questions about the Cadillac DeVille, a full-size luxury sedan manufactured by General Motors and sold through its Cadillac division. The DeVille was produced from 1949-2005 and was succeeded by the Cadillac DTS.
3,166 Questions
What would cause smoke to come from the vents of a 1991 Cadillac DeVille?
Check the Heater Core? Did it smell like oil or antifreeze. My Heater Core went, started blowing out smoke from the vent. Most Likely the Problem. "smoke" poured into my 1991 when the ac blew out all the freon and froze up the outside temp gage.
How to replace heater core on 1990 DeVille?
I wouldn't try. Everything behind the firewall has to be "removared". The wiring and electronics will not survive this adventure unless you have the entire GM team on your side (They are NOT!). I cut the core out of the loop by disconnecting the hoses and joining them. But I live two blocks from the Sun. If you live in the Great White North you could build a campfire in the back seat for warmth or wait a couple of thousand years until the climate changes.
How do you replace a flasher on a 1999 Cadillac deVille?
I used this procedure on my 1999 Cadillac from this forum.
On my 1996 DeVille, the flasher is a 3 prong, square unit that is located just above the emergency break pedal on the inside face of the lower dash panel. To replace this flasher you should start by removing the 2, 9/32" bolt head retaining screws holding the black access panel just above the break pedal. Lay down on your back and look up inside the dash. You may find the round hazard flasher high just above your head, this is not it. Stick you hand up along the panel in front of the emergency break pedal. Locate with your hand a 2 inch long square relay box and move it to unhook it from it's clip. (If the flasher is the factory flasher it will have a metal clip retaining it under the dash. Your new part will not have this clip.) Route the old flasher and wire down so that it hangs from under the dash. Now you can see it and disconnect it. There are multiple connectors, but only three of them line-up and actually have metal receptors inside the socket. Take note of the removal of the flasher so you are not confused during reinstallation. I think the other connectors are for additional features not needed in the US. Take the part to the parts store or just replace with new one. Relocate the flasher safely up in the dash in relatively the same place and make sure it won't move around. return the black panel to its position above the break pedal and replace the 2, 9/32" retaining screws.
Pep boys has an OEM Tridon/Stant 12volt 3terminal electronic flasher part# EP34 or the Delco part number is 3548813
This procedure worked for me. If you search Google for (delco 3548813) you can find a picture of the part or try http://198.208.187.182/internet/PartImage.jsp?mfgname=ACDELCO&prodlinecd=55&acpartnbr=3548813
You will probably have to feel around for the part as it is hard to see. It is down under the area by the gas fill release button.
This answer worked for me. Be aware there is a separate flasher for the hazard signals, this flasher unit is on the other side of the steering wheel, from the turn signal unit. A hint to find the turn signal flasher unit, when you get the cover parts off, stick your head up and use the turn signal lever, you can hear the unit click each time.
Addition
This answer is great! Before reading this, I spent about two hours trying to locate the unit. With answer in hand, the entire job took about ten minutes except for a trip to the parts store. The replacement unit did not have the clip, but a small piece of two-sided mounting tape held the new flasher in the same position that the clip held the old unit.
I have a 1999 Cadillac deville and the signal flasher went out. I used the above answers and all were exactly like they said. The Cadillac dealer wanted $40 for the unit and NAPA had it for $14. The price difference was so drastic that I thought the units must be different. But using the info above and the part number of EP34, I was sure that the NAPA part would work and it did. All the above tips were great. Especially the one about listening for the clicking. Better yet, I put my finger on it and felt it clicking to ensure I had the right flasher. Since my flasher went out I had to manually turn the signal on and off with one hand while feeling the unit with the other.
Addition
This answered worked perfectly. Just wanted to add a few additions. I picked up my replacement part from AutoZone, part number FL34 Blazer/Tridon Turn Signal Flasher for $10. Took about 20 minutes to install, the hardest part was finding/reaching the old unit. One tip I can offer is after removing the black access panel, there is another panel just under the steering column that can also be removed to give more room to find/reach the flasher unit. Thanks for the help and good luck to anyone who attempts this fix.
Where are the 02 sensor locations on a 98 DeVille Concours?
There is one in each of the exhaust manifolds, and there may be a third one in the exhaust system, just past the catalytic converter. It takes a special socket.
What size speakers are in a 2000 Cadillac deville?
The Cadillac Deville 2000-2005 contains (4) 5 1/4" door speakers, (2) 1" front tweeters in the A-pillars and a 2 1/2" center front speaker located in dash. The rear dash panel has a 10" woofer. All have a factory amplifier. Beware, the door speakers may be difficult to replace with aftermarket ones b/c of the odd factory hole locations. I am the owner of a 2002 Deville, however I have opted for modification and have (4) 6 1/2" component sets, (4) tweeters, (4) 12" RE audio subs and 4 amps in total, all supported by jvc 7" lcd and a killer crossover/equalizer. Keep in mind, doing this required door mods, trunk mods, Dynamat and (2) Optima yellow tops, what I'm getting at is this wasn't cheap and it is an addiction....but it sounds great.
Will a 89 deville classic grille fit a 91 deville?
No. An 89 classic grille will only fit years 89-90. you would need a classic grille from a 91-93.
Where is the thermostat located on a 1995 Cadillac DeVille V8?
Should be in a removable housing at the engine end of the upper radiator hose
What is the required fuel octane rating to be used in a 1998 Cadillac De Ville Can 89 be used?
yes i use it when i do alot of city driving but on the hwy i would recommend 93 octane
Where is the map sensor located on a 93 GMC Safari?
I just did this the other day. When you take the cover off the engine in the cab look up on the top of engine. Look for a small rectangle with 2 screws on either end. That's the map sensor. Remove the 2 screws and it out. Simple.
How can you repair a 1998 cadillac deville license plate light?
How do you replace the water pump on a 2004 Cadillac De Ville?
To start with you need a special water pump removal tool for this job. Generally $40-$50, snap on tools sells them. Dont bother to start without this tool.
Where is the fuse box on a 97 cadillac deville?
There is one under the hood on the driver side and one located in the trunk on the back of the back seat.
What fuse controls the air leveling system on a 2001 Cadillac deville?
Go to youtube and type in Planet Unicorn. There is a unicorn called Cadillac! p.s: Why do you use such big words?
How do you reset a 1996 Cadillac DeVille computer system after self-servicing?
push the "OFF" and the "WARM" buttons on the climate control panel at the same time . Hold till screen reads "00" indicating no stored codes. correction--"OFF" and "HI" buttons
How do you reset a 1990 Cadillac DeVille fuel center from metric to standard?
there is a button near the spedometer display that switches us and metric
How to drain Radiator on 97 Chev 5.7?
should be a pet cock on the driver side bottom of the radiator take it out an the fluid will drain be careful to contain all your fluid it is a osha and epa violation to not store the fluid properly
How do you replace starter on 1997 STS Cadillac?
The starter is located under the intake manifold. You will need to remove the EGR tube and the intake air tube from the throttle body. Remove the bolts around the perimeter of the intake manifold and from the passenger side of the engine compartment you can lift the intake up far enough to gain access to the starter. Remember to disconnect the battery negative terminal first. I have used a bungee cord to hang the intake in the air while working on the starter. Remove the two wires leading to the starter and then the two 13mm bolts securing the starter to the engine block. Pull the starter out from under the intake manifold and install the new starter in the reverse order. The intake manifold gaskets are reusable.
use the key to unlock door
Starter on a 1988 Cadillac DeVille?
Flywheel/trans area; bottom, pass side. Follow pos batt cable to the end. Round cylinder shaped object roughly 8" dia/12" long.
1994 deville fuel sending unit how do you change it?
Lower the Gas tank. Remove the sending unit/fuel pump from the tank and replace the unit. The sending unit and fuel pump come together.
Where is the air ride suspension pump on a 1998 deville?
It is located behind the Passenger side rear tire. If jacked up and you climb under from rear bumper look to your left in between gas tank and tail exhaust. Good sized box with wire harness and clip on it.
Also if your air ride is not working in some cases the shock may be busted and the pump will not kick on. Hope this helps.
I really dislike the goofball answers some people put, ifyou don't know the answer then don't answer.
Where is the temperature sensor on 4.6 northstar in Cadillac Seville 1997?
It is located on the back of the engine (drivers side), on the side of the cylinder head, just above where the trans axle bolts onto the engine. It is brass with a black connector and is very tricky to access.
Where are the fuses in a 1969 Cadillac deville?
The fuses in a 1969 Cadillac Deville are under the dash on the driver's side. Look above and behind the brake pedal for a plastic cover over the fuse box.
