Cadillac DeVille Questions Any type

1998 Cadillac Deville

I have a 98 Cadillac Deville and it won't start says theft system problem car may not restart. Does anyone know how to take that off and get it to restart?

Should I Use Premium Or Regular Gas?

Well every since I got it I’ve been using regular number 87, and I’ve heard that Cadillacs should take premium. It didn’t come with the owners manual so I can’t just look in there as I would expect...

I Smell Coolant But Don't See A Leak

I change the water pump the thermostat checked all the hoses sold all the hoses up there is no leak that's appearing that I can see but I can smell the coolant then 2 weeks later my car starts to l...

Purge Line

I Don't Know

I have a 1998 Cadillac deville I replaced the altenator a few months ago and everything worked fine.... it then died on me today noticed the bolt where the main power goes onto the altenator was l...

My Thermostat Gauge Shows Hot But The Engine Is Not Hot

I have a 2003 Cadillac Deville 117,000 miles. When on the highway the thermostat goes up a couple of bar and occasionally but then goes right back down. Sometime it will go up all the way and giv...

1998 Cadillac Deville

I bought a 1998 Cadillac deville and every time i try to start it it says theft system problem car may not restart and it doesn't start. Is there any way i get that off? If so please tell me and t...

Ignition Firing Order

distributor makes a whistle noise

Coolant Low

I have a 2000 cadialac deville. I replaced the water pump.i replace the radiator cap and i replace the radiator. It needs water every 2 days and says need water cooler low and idle control senor.i ...

Dashboard Shows Tire Low

My 2005 Cadillac DeVille continuously shows a low tire on the left front but when checking the air pressure it is the same as all of the rest of the tires what is wrong

How Can I Start The Car If The Starter Is Bad

A man is selling a deville 96 he say it don't start and the reason why is the starter how can I get it started before I buy it?

White Smoke Out Exhaust

Cadillac Deville 2001 Won't Start, Engine Won't Turn Over

Have read 1st pg. of questions related to above question. For months I've had problems, betimes, getting engine to fire up, unless I work shift lever back 'n forth, and getting progressively worse. ...

Fuel Pump Removal

How do I get my pump out from the tank ? I’ve removed the rubber ring and the pump is the same size as the whole. How’s it come out ? I’ve tried for hrs. One side is like a milameter too short.

1973 Cadillac Sedan DeVille

how long does it take to replace the power steering pump?

Secondary Air Injection System

What problems will I have removing this system?

Fusebox Diagram And Relay Box Diagram

Please someone help me find the fusebox and relay box diagram to my 1979 cadillac coupe deville pheaton please my horn and interior lights wont work please some one help ?

Standard Or Xtra Capacity Radiator Replacement

I just bought a car from someone.Head gasket leak is a maybe.I was told the radiator was bad.I pulled the old,which was already partially disconnected.Thete is no oil cooler connections ,but the ...

How Bleed Air Out Of Radiator After Draining And Filling?

1990 Cadillac Electric Short Circuit

I was driving down the road with the air conditioning on and all of a sudden everything electrical turns off. Car still drives. Everything mechanical work. The electric speedometer, gas gauge, etc...