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Resources for the Repair and Maintenance of your Cadillac STS

Cadillac STS Models:

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Cadillac STS Problems

Electrical & Lights -- Verified

The front turn signal and and daytime running light bulbs are prone to premature failure. Our technicians tell us that these bulbs can be very difficult to replace.

Drive Train -- Verified

The rear axle pinion seal may leak causing fluid loss and possible internal rear end damage. Replacing the faulty seal will commonly correct this concern.

Exhaust & Emissions -- Verified

A loose or worn gas cap could be cause the Check Engine Light to illuminate.

Maintenance -- Verified

Failure of brake components can be caused by contaminated brake fluid. To help prevent this the Brake fluid should be flushed at the very least every 60,000 miles.

Engine -- Verified

Vehicles with certain V6 engines may illuminate the Check Engine Light one or more of the following codes: P0011, P0014, P0021, P0024, P0341, P0346, P0336, or P0391. Our technicians tell us that some vehicles may require a powertrain control module (PCM) software update to correct this issue. Other vehicles may have excess camshaft end play on one or both cylinder heads which will need to be corrected using special procedures outlined by GM.

Cadillac STS Questions and Answers

Carrie, 2005 Cadillac STS, 4.6L V8, Lincoln, NE

1994 Cadillac STS ...If i were to run water from a hose through my coolant system, it would all pour out on the ground as fast as it goes in (roughly from under the water pump)... do water pumps ge...

JLP, 2005 Cadillac STS, 4.6L V8, Houston, TX

When I am driving in traffic and Im coasting along barely touching on the gas I can feel my car sputtering in like 3rd to 4th gear and also sometimes I press on the gas it gives me a sluggish feel ...

Llionel, 2005 Cadillac STS, 3.6L V6, Ewing, NJ

Passenger side high beam works, but the low beam and small running light do not. I have had a tech attempt to remove the bulb, but after an hour, no success.

Any suggestions?


dnt3, 2005 Cadillac STS, Castle Rock, CO

Where is the fuel filter located on my 2003 Cadillac Seville STS? Your year menu does not allow me to select 2003, but that's what mine is.

Joe Blow, 2005 Cadillac STS, Spring Hill, FL

how do I turn off the "service engine soon" light on a !998 Cadillac STS

how do I turn off the "service engine soon" light on the dash of a 1998 Cadillac STS?

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Cadillac STS Reviews

the RADIO!!!! other than that a DREAM! jus cause its a caddie the price inflation on parts is ridiculous! WOW!!!

Engine sounds like a deisel at low speeds had to the dealer 2 times the first time with 20,000 miles last time with 54000 miles they said rattling moter was normal both times???.

the car has all the power you will need. it rides like a dream

Bought the 2008 sts v6 premium with only 15000...was a certified lease return...one of the best caddies i have ever owned..keyfob is the only problem, it shorted out and wouldnt remote start, dealer replace under warranty...24-28 mpg..only other thing is rides very firm....which i dont mind unless its a bumpy road...overall a great car and put together better than prev GM cars, and caddies Ive owned...looking forward to purchasing a Cadillac ATS coupe!

my STS is a nice looking car but I have problems after problems
one of the air suspension went out cost me 1000 dollar to replace it
right now it's making noise. i beleive it's a electrical problems now.
I will never buy another cadillac.
it doesn't hold its value, The back bumper coming apart.
and it hard to find someone to work on them beside the dealers.

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