2006 Cadillac CTS

Introduction The 2006 Cadillac CTS is a compact luxury sedan offered with a variety of engine and transmission options. The base engine is a 2.8L V6 with 252 horsepower and 250 lb-ft of torque, paired with a 5-speed automatic transmission. Other engine options include a 3.6L V6 with 255 horsepower and 252 lb-ft of torque, paired with a 6-speed automatic transmission, and a 3.6L V6 with 292 horsepower and 258 lb-ft of torque, paired with a 6-speed manual transmission. All CTS models are rear-wheel drive.

Owners praise the CTS for its stylish design, well-appointed interior, and responsive handling. However, some issues have been reported with various components.

Engine

2.8L V6

• Intake manifold gasket failure: Description/Symptoms: Coolant or oil leaks from the intake manifold gasket. Solution: Replace the intake manifold gasket. Estimated Cost to Fix: $400 - $600+
• Timing chain issues: Description/Symptoms: Engine misfires, loss of power, or rattling noises. Solution: Replace the timing chain and related components. Estimated Cost to Fix: $1,000 - $2,000+

3.6L V6

• Oil consumption: Description/Symptoms: Excessive oil consumption, requiring frequent top-ups. Solution: Replace piston rings or engine block. Estimated Cost to Fix: $1,500 - $3,000+
• Water pump failure: Description/Symptoms: Coolant leaks, overheating, or engine damage. Solution: Replace the water pump. Estimated Cost to Fix: $500 - $800+

Transmission

5-Speed Automatic

• Harsh shifting: Description/Symptoms: The transmission shifts abruptly or slips between gears. Solution: Replace or repair the transmission. Estimated Cost to Fix: $1,500 - $2,500+
• TCU failure: Description/Symptoms: Transmission control module malfunction, leading to loss of power or erratic shifting. Solution: Replace the TCU. Estimated Cost to Fix: $500 - $800+

6-Speed Automatic

• Solenoid issues: Description/Symptoms: Delayed or slipping shifts, loss of power, or check engine light. Solution: Replace or repair the solenoids. Estimated Cost to Fix: $300 - $600+
• Torque converter shudder: Description/Symptoms: Vibrations or shuddering during acceleration. Solution: Replace the torque converter. Estimated Cost to Fix: $800 - $1,200+

Suspension

• Front strut mount failure: Description/Symptoms: Clunking or rattling noises from the front end, especially over bumps or uneven surfaces. Solution: Replace the front strut mounts. Estimated Cost to Fix: $200 - $400+
• Rear sway bar link failure: Description/Symptoms: Clunking or rattling noises from the rear end, especially over bumps or when turning. Solution: Replace the rear sway bar links. Estimated Cost to Fix: $100 - $200+

Electrical

• Battery drain: Description/Symptoms: Battery fails to hold a charge, requiring frequent jumping or replacement. Solution: Diagnose and repair the source of the parasitic drain. Estimated Cost to Fix: Varies depending on the source
• Headlight switch failure: Description/Symptoms: Headlights fail to turn on, flicker, or dim unexpectedly. Solution: Replace the headlight switch. Estimated Cost to Fix: $200 - $400+

Exterior

• Door handle issues: Description/Symptoms: Door handles break or jam, making it difficult to open the doors. Solution: Replace the door handles. Estimated Cost to Fix: $200 - $400+
• Sunroof drain tube clogging: Description/Symptoms: Water leaks into the cabin when the sunroof is closed. Solution: Unclog or replace the sunroof drain tubes. Estimated Cost to Fix: $100 - $200+

Interior

• Center console trim delamination: Description/Symptoms: Trim pieces on the center console peel or bubble. Solution: Replace the trim pieces. Estimated Cost to Fix: $100 - $200+
• Heated seat element failure: Description/Symptoms: Heated seats fail to warm up or provide uneven heat. Solution: Replace the heated seat elements. Estimated Cost to Fix: $200 - $400+

Summary The 2006 Cadillac CTS has several issues that vary in severity and cost to fix. While some issues are minor and inexpensive to repair, others, such as engine and transmission problems, can be more costly. Overall, the CTS is a well-rounded vehicle, but potential buyers should be aware of these potential issues before making a purchase.