2007 Cadillac DTS

Introduction

The 2007 Cadillac DTS is a full-size luxury sedan that offers a comfortable and refined driving experience. It is powered by a standard 4.6L Northstar V8 engine that produces 292 horsepower and 288 lb-ft of torque, paired with a six-speed automatic transmission. Other engine and transmission options include a 4.6L Northstar V8 with Variable Valve Timing (VVT) that produces 320 horsepower and 315 lb-ft of torque, paired with a six-speed automatic transmission with manual shift mode, and a 3.6L V6 engine that produces 255 horsepower and 252 lb-ft of torque, paired with a four-speed automatic transmission. The DTS is praised for its smooth ride, spacious interior, and powerful engines. However, it has also been criticized for its high fuel consumption and lack of agility.

Engine

4.6L Northstar V8

• Intake manifold gasket failure:
  • Description/Symptoms: Coolant leaks, engine overheating, rough idling, and decreased power.
  • Solution: Replace intake manifold gaskets.
  • Estimated Cost to Fix: $500 - $1,000+
  • Recalls: None Found
• Water pump failure:
  • Description/Symptoms: Coolant leaks, engine overheating, and noisy water pump.
  • Solution: Replace water pump.
  • Estimated Cost to Fix: $300 - $600+
  • Recalls: None Found

4.6L Northstar V8 with VVT

• Timing chain tensioner failure:
  • Description/Symptoms: Noisy engine, decreased power, and potential engine damage.
  • Solution: Replace timing chain tensioners and related components.
  • Estimated Cost to Fix: $1,000 - $2,000+
  • Recalls: None Found

3.6L V6

• Oil consumption issues:
  • Description/Symptoms: Excessive oil consumption, resulting in low oil levels and potential engine damage.
  • Solution: Replace piston rings and/or re-hone cylinders.
  • Estimated Cost to Fix: $2,000 - $3,500+
  • Recalls: None Found

Transmission

Six-Speed Automatic Transmission

• Shift solenoid issues:
  • Description/Symptoms: Hard or erratic shifting, delayed shifts, or loss of gears.
  • Solution: Replace shift solenoid(s).
  • Estimated Cost to Fix: $300 - $800+
  • Recalls: None Found
• Torque converter shudder:
  • Description/Symptoms: Vibrations or shuddering during acceleration or gear changes.
  • Solution: Replace torque converter.
  • Estimated Cost to Fix: $1,000 - $2,500+
  • Recalls: None Found

Four-Speed Automatic Transmission

• Transmission slippage:
  • Description/Symptoms: Loss of power, delayed gear shifts, or slipping gears.
  • Solution: Overhaul or replace transmission.
  • Estimated Cost to Fix: $1,500 - $3,000+
  • Recalls: None Found

Suspension

• Front control arm bushings failure:
  • Description/Symptoms: Noisy suspension, loose or unstable handling, and vibrations.
  • Solution: Replace control arm bushings.
  • Estimated Cost to Fix: $200 - $500+
  • Recalls: None Found
• Rear shock absorbers failure:
  • Description/Symptoms: Reduced ride quality, excessive bouncing, and uneven tire wear.
  • Solution: Replace rear shock absorbers.
  • Estimated Cost to Fix: $300 - $700+
  • Recalls: None Found

Electrical

• Alternator failure:
  • Description/Symptoms: Dimming lights, weak battery, and electrical system malfunctions.
  • Solution: Replace alternator.
  • Estimated Cost to Fix: $300 - $600+
  • Recalls: None Found
• Starter failure:
  • Description/Symptoms: Difficulty starting the engine or engine cranking but not starting.
  • Solution: Replace starter.
  • Estimated Cost to Fix: $200 - $500+
  • Recalls: None Found

Exterior

• Headlight condensation:
  • Description/Symptoms: Moisture inside the headlight housings.
  • Solution: Replace headlight housings or reseal existing ones.
  • Estimated Cost to Fix: $200 - $500+
  • Recalls: None Found
• Chrome trim peeling:
  • Description/Symptoms: Chrome plating peeling or flaking off of exterior trim pieces.
  • Solution: Replace trim pieces or have them re-chromed.
  • Estimated Cost to Fix: $300 - $1,000+
  • Recalls: None Found

Interior

• Climate control system issues:
  • Description/Symptoms: Malfunctioning air conditioning or heating, uneven temperature distribution, or excessive noise.
  • Solution: Diagnose and repair or replace specific components of the climate control system.
  • Estimated Cost to Fix: $200 - $1,000+
  • Recalls: None Found
• Seat heater failure:
  • Description/Symptoms: One or both seat heaters do not provide heat.
  • Solution: Replace seat heater elements or wiring harness.
  • Estimated Cost to Fix: $200 - $500+
  • Recalls: None Found

Summary

The 2007 Cadillac DTS is a generally reliable vehicle, but it has some common issues that can be expensive to repair. The most serious problems include timing chain tensioner failure, oil consumption issues, and transmission slippage. Other common issues are relatively minor and can be fixed at a reasonable cost. Overall, the DTS is a solid choice for those seeking a spacious and comfortable luxury sedan, but it is important to be aware of potential issues before making a purchase.