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Cadillac STS Repair and Maintenance Costs

A guide to repairs, service, and maintenance costs for your Cadillac STS

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The national average repair and maintenance cost for a Cadillac STS is between $539 and $659 per year. Repair and maintenance costs vary depending on age, mileage, location and service provider.

Cadillac Repair Estimates
Car
Service
Price
2006 Cadillac STS
Catalytic Converter Replacement
$580 - $725
2007 Cadillac STS Engine: 3.6L V6
Spark Plug Replacement
$227 - $306
2007 Cadillac STS Engine: 3.6L V6
Ignition Coil Replacement
$74 - $324
2005 Cadillac STS
Exhaust Manifold Replacement
$616 - $1493
2005 Cadillac STS
Exhaust Manifold Gasket Replacement
$616 - $1493

Cadillac STS Problems

Failure of Front Turn Signal and DRL Bulbs

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.

Check Engine Light Due to Loose or Worn Gas Cap

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

The Check Engine Light With Code: P0011, P0014, P0021, P0024, P0341, P0346, P0336, and/or P0391

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.

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Cadillac STS Questions

driver door unlocks but will not open door using handle (1 answer)

i can lock and unlock but van only door from the inside

Is it possible to just replace the bushings on the front end, or whole A arm? (1 answer)

The bushings went out on the front end of the suspension on my '05 Cadillac sts. What I want to know is if the bushings can be replaced, or do I need to replace the whole A-arm?

How to turn off the tire monitor light (1 answer)

Tire monitor gauge will not shut off.
Previous owner said it is expensive to have it done at the dealership.

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Cadillac STS Recalls

Fuel Pump Failure And Leakage

The engine may stall and fuel may leak due to overheating of the electrical terminals in the fuel pump module, resulting in the melting of the flange material. Dealers will replace the fuel module and fuel tank jumper wiring harness free of charge to resolve the concern.

Tire Pressure Monitoring Warning Does Not Work Properly

The tire pressure monitoring system may not function properly and may not warn a driver of low tire pressure. Dealers will reprogram the remote control door lock receiver module free of charge to resolve the concern.

Rear Suspension Link Breaks

A rear suspension toe link could fracture and result in the rear wheels changing direction. This can cause loss of vehicle control. Dealers will inspect the right and left toe links and replace them as required free of charge to resolve the concern.

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Cadillac STS Reviews

Stay on top of the maintenance. Don't treat it like a comaro when its a Cadillac. Don't complain about the small things.. Can't speak for the other sts owners, but mine is fun to drive and looks "saf" (black on mat black) :) peace.
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???.

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