2011 Cadillac STS
2011 Cadillac STS
The 2011 Cadillac STS is a midsize luxury sedan that offers a comfortable ride and a well-equipped interior. It is available with a choice of two engines: a 3.6-liter V6 producing 304 horsepower and 273 lb-ft of torque, or a 4.6-liter V8 producing 320 horsepower and 315 lb-ft of torque. Both engines are paired with a six-speed automatic transmission. The STS is also available with a choice of rear- or all-wheel drive.
Owners of the 2011 Cadillac STS generally praise its comfortable ride, well-equipped interior, and powerful engines. However, some owners have reported experiencing issues with the vehicle’s engine, transmission, suspension, electrical system, exterior, and interior.
Engine
3.6L V6
Intake manifold gasket failure Description/Symptoms: The intake manifold gasket may fail, causing a loss of coolant and a decrease in engine performance. Solution: Replace the intake manifold gasket. Estimated Cost to Fix: $500 - $1,000+ Recalls: None Found
Timing chain failure Description/Symptoms: The timing chain may fail, causing the engine to stall or run erratically. Solution: Replace the timing chain and related components. Estimated Cost to Fix: $2,000 - $3,000+ Recalls: None Found
4.6L V8
- Valve cover gasket leak Description/Symptoms: The valve cover gaskets may leak, causing a loss of oil and a decrease in engine performance. Solution: Replace the valve cover gaskets. Estimated Cost to Fix: $500 - $1,000+ Recalls: None Found
Transmission
6-Speed Automatic
Transmission slipping Description/Symptoms: The transmission may slip or hesitate when shifting gears. Solution: Replace the transmission fluid and filter, or rebuild the transmission. Estimated Cost to Fix: $1,000 - $3,000+ Recalls: None Found
Torque converter failure Description/Symptoms: The torque converter may fail, causing a loss of power and a decrease in fuel economy. Solution: Replace the torque converter. Estimated Cost to Fix: $1,500 - $2,500+ Recalls: None Found
Suspension
Front control arm bushings worn Description/Symptoms: The front control arm bushings may wear out, causing a clunking noise when driving over bumps. Solution: Replace the control arm bushings. Estimated Cost to Fix: $400 - $600+ Recalls: None Found
Rear shock absorbers leaking Description/Symptoms: The rear shock absorbers may leak, causing a decrease in ride quality. Solution: Replace the shock absorbers. Estimated Cost to Fix: $500 - $1,000+ Recalls: None Found
Electrical
Battery drain Description/Symptoms: The battery may drain prematurely, causing the vehicle to not start. Solution: Identify and repair the source of the battery drain. Estimated Cost to Fix: $100 - $500+ Recalls: None Found
Alternator failure Description/Symptoms: The alternator may fail, causing the vehicle to lose power while driving. Solution: Replace the alternator. Estimated Cost to Fix: $500 - $1,000+ Recalls: None Found
Exterior
Headlight condensation Description/Symptoms: Condensation may form inside the headlights, causing a decrease in visibility. Solution: Replace the headlights or reseal them. Estimated Cost to Fix: $500 - $1,000+ Recalls: None Found
Chrome trim peeling Description/Symptoms: The chrome trim on the exterior of the vehicle may peel or discolor. Solution: Replace the affected trim pieces. Estimated Cost to Fix: $200 - $500+ Recalls: None Found
Interior
Sunroof leaks Description/Symptoms: The sunroof may leak, causing water to enter the cabin of the vehicle. Solution: Replace the sunroof seals or adjust the sunroof. Estimated Cost to Fix: $500 - $1,000+ Recalls: None Found
Dashboard rattles Description/Symptoms: The dashboard may rattle or squeak when driving over rough roads. Solution: Identify and eliminate the source of the rattle. Estimated Cost to Fix: $100 - $500+ Recalls: None Found
Summary
Overall, the 2011 Cadillac STS is a reliable vehicle with a comfortable ride and a well-equipped interior. However, some owners have reported experiencing issues with the vehicle’s engine, transmission, suspension, electrical system, exterior, and interior. The severity and cost of these issues vary depending on the specific problem. It is important to note that not all 2011 Cadillac STS models will experience these issues, and some may experience different issues altogether.