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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

Why does the blower motor in a 97 Cadillac DeVille work sometimes and sometimes not work even after it has been replaced?

Answer

You need to replace the blower, cut out a section from the hood side then replace it with a new one and place insulation layer glued to the casing

if it was replaced them most likely the terminals in the connecer ar sloppy and need to be tightened unplug the blower connecter and look at the terminals a small pick is udes to prise the trems up and tighten them

Check the ground wire behind the alternator.

How do you clear codes on a 1998 cadillac deville?

on your dash you push off and warm buttons at the same time itwill flash then it will show codes yes or no push off button up wait till all words and numbers cycle then it says clear codes then psh up again

What is the firing order for a 82 cadillac 4.1 liter rwd?

The firing order is 1-8-4-3-6-5-7-2 and the rotor turns counterclockwise.

How do you replace the ignition key tumbler on a 61 Cadillac?

disconnect battery, put key into ignition lockand tun it left to the accessory position. Put the end of paper clip into the hole in face of ign lock cyl, depress and pull out cylinder with key attached. Good luck

Where is the second fuse box for a 99 cadillac deville?

in the trunk behind the rug on the back of the rear seat drivers side

How do you replace Cadillac STS tail lights?

You lift the trunk up and look under the trunk and loosen all the black plastic knobs. When they are all out pull up on both side of the taillight assemble. Yes, the whole back of the trunk come off. be careful not to rip the wire out so pull up slow.

How do you put gas in a 1984 Cadillac?

The gas cap is under the rear license plate. If you have automatic door locks, make sure your doors are unlocked, or you will have in the trunk what looks like a door lock that slides, slide it to unlock your license plate. Then put the gas cap on the right side of the plate to hold it open and pump your gas. At least that is how it works on my 1984 Cadillac Fleetwood Brougham Coupe, that has power everything. Hope this helps : > )

How do you change the fuel pump in a 1986 Cadillac Sedan DeVille?

you have to drop the fuel tank and it is going to be a pain

That answer is correct but perhaps I can expand:

1. Disconnect the negative battery cable.

2. Jack up the car, front and back and get it at least 24 to 30 inches up and on

jackstands, basically the higher the better up to about 30 inches.

3. Siphon all the fuel from the tank. You will have to remove the filler hose and

air vent hose from the tank and the gas filler compartment, hoping that the fuel level

is below that lever. If the tank is over 1/3 full be prepared to have a vessel underneath the filler hose to tank connection to receive the gas which will pour out when you remove the large hose. Have a fire extinguisher and a garden hose ready

in case you somehow ignite things....no smoking or hot lamps nearby !!!

You can't just run a hose down the filler neck and siphon out the gas because there is an obstruction about 3 inches into the gas tank and without removing the filler hose you just can't get the siphon hose aligned to pass thru the obstruction, a circle opening about 1 inch in diameter. You have to remove both of these hoses anyway to drop the tank and you will need to detach them from the upper connection at the gas filler cap assembly to get sufficient movement to detach them form the tank.

There is also a hose to frame clamp securing them in the driver side rear wheel well.

With the gas drained/siphoned you can remove the three rubber hoses connecting the steel pipes coming down from across the top of the tank and joining to the fuel filter and return and vent pipes running along the chassis.

At this point you need to support the tank with a tranny jack or floor jack and

remove the supporting straps ( two ) and begin to lower the tank. On some models you will also have to remove the rear portion of the exhaust system. When the tank

is lowered about 12 inches you can disconnet the wiring harness on the top of the tank that connects to the fuel pump assembly. Lower the tank the rest of the way

and remove it from under the car...remember, even "empty" this tank is a waiting bomb if you expose it to fire or sparks. JHSills

Where is the Power Steering Fluid Resvoir on a 1997 Cadillac Deville?

beside & below air intake filter box. top of the engine passenger side the belt runs just below it

What is ride control?

Ride control is a general car term for how the vehicle handles on the road, e.g. how it corners, how it responds to wind, road conditions, etc.

How can the idle be adjusted on a 1990 Cadillac DeVille Sedan?

Generally, most computer controlled TBI engines CAN't be adjusted for idle speed. If idle is too fast, check for vacuum leaks. A broken vacuum line, loose EGR valve or a damaged manifold or throttle body gasket are typical candidates.

How do you change the spark plugs on a 1990 Cadillac DeVille?

Sounds Like You Have A 4.5 !!!! Ain`t They Wounderful ? I Truly Hate To Work On Them. First Go Buy You A Good Set Of Plug Wires, Then Get Some Tungsten Tip Spark Plugs(some that will last a long time). Wipe Sweat Cut Fingers On The Four Next To The Firewall, You Can Expect To Be 6 or More Hours Changing These Four Plugs. You Almost Have To Remove The Top Of The Engine To Get To Where You Can Reach Them. BEST OF LUCK OR DO THIS ++++++++++++++++++Take It To A Good Mechanic, Have Him Put New Wires And Plugs In It. It Will Cost But I Bet You Will Be Glad You Did. I Do Hate To Say This==I ALWAYS LOVED CADILLIACS. BUT I WOULD WALK BEFORE I OWN ANOTHER. BEST TO YOU

PLEASE READ THIS BEFORE YOU GIVE UP!!!

Not a problem. the back plugs are done by feel. You just have to pull up on the coolant hose that tends to sag down and get in the way. Don't start pissed off and it will end well.

SIMPLE ANSWER: i just changed mine a week ago. thought i was going to have to pull that sum bi out.... all you do is get a flash light.. even if its broad daylight. wait till cools down of course.then move that hose and wires. i recomend long sleeves. follow wires. i wiegh 210. put down towel and watch your knees. get on top of motor for best leverage. then simply take them out and replace. you CAN reach them. it took me every bit of 2 hours only cuz ive never worked on a lac. outcome... successfull.

Where is the neutral safety switch on a 92 Cadillac Deville?

Try either the lower end of the steering column or on the side of the transmission