Top 20 2009 Cadillac DTS V8 Questions & Answers

Disconnect hose from fuel pump, place hose into container and turn on the ignition - that will turn the fuel pump on and get the gas out. I woud have suggested that you siphon it but most newer cars do not allow you to stick a hose down the tan refill pipe to do so.

Chances are you have a wheel speed sensor that is not reading correctly.

use test light to check for power at pump,relay and fusebox,if you have power to the pump it has seized

You can't override it. The anti theft system and immobilizer are there to stop exactly what you are trying to do, start the car with a key that is not programmed to the car. You have to fix the problem, not find a way around it. You need to reset it to recognise the key. If you didn't buy a new chipped key, you have a valet key and it won't start the vehicle ever.. https://www.google.com/search?q=1999+Cadillac+DTS+reset+security ..

it has to go into the radiator low somewhere, look for the start of it there...the other end may be > the water pump outlet. Usually...unless there is something freaky about the particular one, these rad hoses are clamped either end with either a stiff spring clip clamp, which needs pliers ...or a gear clamp, which needs screwdriver.Have something in place to drain radiator contents into.

Try to check for codes using a code reader. It could be the temperature sensor is going out.

Have you got the valet switch turned on?

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That is usually a problem with the overdrive lockup solenoid inside the transmission.

It sounds like you have a failed transmission.

Not sure what you're saying but if you mean the sunroof slides closed but the rear doesn't come down and seat fully, the I'd start by looking to make sure nothing is in the way of it fully closing, also when was the last time you greased the slides on the sun roof?

The actuators or air diverters are fubar. Motor is fine.

Probably the receiver for the key chip. It has to go back on. But it doesn't have to be programmed. Replace it and the security will go off. With the key of course.

Could be plug catalytic con.

are you driving over underground power cables when this happens?

alternator or battery faulty, or their connections

I like the diagrams in Haynes and Chiltons auto manuals, available at auto parts stores.

very easy just a feww floorr bolts and wire harness after pulling up some of the carpet

Bad battery, replace with new one.

check starter brushes and engine earths or volt drop from ignition to starter solenoid