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Cadillac Seville STS Questions

Get answers to questions about your Cadillac Seville STS at RepairPal. Find solutions, diagnose problems and get back on the road.

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548
questions

Was driving died now no fire or fuel to the motor

If you are standing facing the car, we detected the leak is coming from the radiator tp left. it looks as if there is a "seal" and a screw to hold it in place. This is where it is leaking from. we attempted to patch it as well as putting Bars Stop Leak in the system. This was effective for about 2 days with no leaks as it started leaking again. PLEASE HELP with possibly diagnosing this issue as i am not able to send the car to a shop at this time. All your feedback is greatly appreciated and thank you in advance

Need diagram for engine and transmission sides of this connector

My car would randomly stall (completely die) whether going slow or very fast on the highway. It was happening only once or twice every six months, but progressively got worse till it was like every other time I drove it. The garage had my vehicle for a week, replaced crankshaft position sensors, spark plugs, oil change and tire rotation for $836.00. It stalled two times driving it home. Called the garage, they said I could bring it in on monday, but they didn't sound like they were standing by their work or anything....they were not reassuring at all.....What is the best way for me to handle this? Thank you. (P.S. no current codes, only historical)

Water leaks into my trunk and makes its way under my back seat causing electrical problems. Usually only affects the driver seat. Can you move it back manually?

When key is in on position I have 40lb pressure when I try to crank I have none

Radio swap. 2002 sls to a 2000 sts

I'm coming on two sensors I can't tell which one is the cam positioning sensor

the heat don't work

I towed car yesterday. Light was not on before I towed it. The front tire spinned when placed on dolly. Could this have caused the light to come on?

Have checked the fuse box and all appear good.

I have a 2003 Cadillac STS. A/C works fine however, heat blows cold. Using a simple temperature test I have verified coolant appears to be flowing through heater core, not 100% certain but trouble isn’t leading me that way. I have checked all the actuators I can find, one on left and right side of console. One is bad however it is located lower rear left/drivers side and appears to function for rear controls on which nothing works.
I even pulled the cabin filter and while it was nasty and corroded, I believe sufficient air should have passed though. Anyways I am testing without it being reinstalled. I just reattached the cover so air would not leak out the cabin filter access port.
I am at a loss and could use some guidance. I am now thing of taking apart the entire duct work assembly under the dash. I rather not since access it and the various screws holding its various parts will suck.
Anyone who believes the know what’s wrong chime in, I will pay for a solution.

Goes dark. Radio don't work,windows don't work can't read speed or gas

the car says wait 4 then 2 then 1 then start...it wont anymore

When it backfires misses and stumbles it will overheat. Today it did this but now doesn't want to start. What would be problem

1996 Cadillac sts. Just replaced the radiator, and thermostat. When we do hwy speed 100km or more engine says hot. There r no leaks any where., all the belts r working. No clue what could be wrong. Any ideas....?

If I were to replace only the springs, which brand would raise my back end to original hight. Is there a lift kit available so that the rear sits a bit above the front?

In the mist of my quick connector/ heating core getting repaired.....he removed the hose & bent the metal part that connects the holes above the quick connector to the engine so now the hose won't go in because the piece is bent and I don't know the name of it in order to purchase it I also need a Experienced mechanic

how many ignition coils do I need to purchase?

my car is saying service charging system battery not charging should I get a new battery

I've took it to different places and they all tell me different things like it's the battery or its the alternator, I've also took off the positive cable to the battery and the car stayed on. On the dashboard it says battery not charging and charging system service.

What do U think is wrong about front wheels.
Mostly rough streets here so it's always hitting a small chug hole. Give me some advice please.

Fuses are ok. The wiper stopped suddenly and does not operate, nor does the pump.
What could be the problem?