2007 Cadillac BLS

Here’s a breakdown of common issues and complaints associated with the 2007 Cadillac BLS, structured according to your specifications.

The 2007 Cadillac BLS was a compact executive car primarily sold in Europe, not in North America. It offered a blend of Cadillac styling and Saab engineering, as it was based on the Saab 9-3 platform. Engine options included several gasoline engines and a diesel engine. The gasoline engine options include a 2.0L Turbo I4 engine producing around 175 hp and 195 lb-ft of torque, a 2.0L High Output Turbo I4 with around 210 hp and 221 lb-ft of torque, and a 2.8L Turbo V6 with around 255 hp and 258 lb-ft of torque. The diesel option was a 1.9L Turbo Diesel I4 with varying outputs depending on the specific version. Transmission options included a 5-speed manual, 6-speed manual, and a 5-speed automatic. People liked the BLS for its distinctive Cadillac styling in a smaller package and its comfortable ride. Common dislikes included the Saab-based interior feeling out of place in a Cadillac, reliability concerns, and the fact that it wasn’t sold in North America.

Engine

2.0L Turbo I4 (Including Low and High Output Versions)

• Turbocharger Failure
  • Description/Symptoms: Whining noise from the turbocharger, loss of power, excessive oil consumption, and potentially a check engine light. Can also lead to engine damage if not addressed promptly.
  • Solution: Replace the turbocharger. Ensure proper oil maintenance to prevent future failures. Check the oil feed line for blockage.
  • Estimated Cost to Fix: $800 - $1500+
  • Recalls: None Found
• Timing Chain Issues
  • Description/Symptoms: Rattling noise from the engine, particularly on startup. Check engine light may illuminate with codes related to timing.
  • Solution: Replace the timing chain, sprockets, and tensioners.
  • Estimated Cost to Fix: $600 - $1200+
  • Recalls: None Found

2.8L Turbo V6

• Oil Leaks (Valve Cover and Rear Main Seal)
  • Description/Symptoms: Visible oil leaks on the engine, burning oil smell, low oil level.
  • Solution: Replace the valve cover gaskets and/or rear main seal.
  • Estimated Cost to Fix: Valve cover gaskets: $200 - $500; Rear main seal: $500 - $1000+
  • Recalls: None Found
• Coolant Leaks (Water Pump and Thermostat Housing)
  • Description/Symptoms: Overheating, low coolant level, visible coolant leaks.
  • Solution: Replace the water pump and/or thermostat housing and gaskets.
  • Estimated Cost to Fix: $300 - $700+
  • Recalls: None Found

1.9L Turbo Diesel I4

• Diesel Particulate Filter (DPF) Issues
  • Description/Symptoms: Reduced engine performance, warning lights related to the DPF, potentially leading to limp mode. Caused by short trips and insufficient regeneration cycles.
  • Solution: Force DPF regeneration (if possible), clean the DPF, or replace the DPF.
  • Estimated Cost to Fix: DPF Cleaning: $200 - $400; DPF Replacement: $800 - $2000+
  • Recalls: None Found
• EGR Valve Problems
  • Description/Symptoms: Rough idling, poor acceleration, excessive black smoke, check engine light.
  • Solution: Clean or replace the EGR valve.
  • Estimated Cost to Fix: $200 - $600+
  • Recalls: None Found

Transmission

5-Speed Automatic

• Slipping and Harsh Shifting
  • Description/Symptoms: Transmission slipping between gears, hard or delayed shifting, particularly between 2nd and 3rd gear.
  • Solution: Fluid Flush. If the issue persists, rebuild or replace the transmission.
  • Estimated Cost to Fix: Fluid Flush: $150 - $300; Rebuild/Replacement: $2000 - $4000+
  • Recalls: None Found

Suspension

• Front Strut Mount Failure
  • Description/Symptoms: Clunking noise from the front suspension, particularly over bumps. Poor handling.
  • Solution: Replace the strut mounts.
  • Estimated Cost to Fix: $300 - $600+ (per pair)
  • Recalls: None Found
• Rear Shock Absorber Failure
  • Description/Symptoms: Bouncy ride, poor handling, and excessive rear-end movement.
  • Solution: Replace the rear shock absorbers.
  • Estimated Cost to Fix: $200 - $500+ (per pair)
  • Recalls: None Found

Electrical

• CIM (Column Integration Module) Issues
  • Description/Symptoms: Intermittent starting problems, issues with the steering wheel controls, and problems with the immobilizer system.
  • Solution: Replace or reprogram the CIM.
  • Estimated Cost to Fix: $400 - $800+
  • Recalls: None Found
• Battery Drain
  • Description/Symptoms: The battery dies overnight or after a short period of inactivity.
  • Solution: Diagnose and repair the parasitic draw. Common causes are faulty relays, modules not shutting down, or aftermarket accessories.
  • Estimated Cost to Fix: $100 - $500+ (depending on the source of the drain)
  • Recalls: None Found

Exterior

• Headlight Lens Clouding/Yellowing
  • Description/Symptoms: Headlight lenses become cloudy or yellowed, reducing visibility at night.
  • Solution: Polish the headlight lenses or replace the headlights.
  • Estimated Cost to Fix: Polishing: $50 - $150; Replacement: $200 - $500+ (per headlight)
  • Recalls: None Found

Interior

• SID (Saab Information Display) Pixel Failure
  • Description/Symptoms: Pixels on the SID (Saab Information Display, used for displaying radio information and other vehicle data) fail, making it difficult to read.
  • Solution: Replace the SID unit or attempt to repair the existing unit (specialized repair).
  • Estimated Cost to Fix: Repair: $100 - $300; Replacement: $300 - $600+
  • Recalls: None Found
• Seat Heater Failure
  • Description/Symptoms: Seat heaters stop working.
  • Solution: Replace the heating element or control module.
  • Estimated Cost to Fix: $200 - $500+ (per seat)
  • Recalls: None Found

Summary

The 2007 Cadillac BLS, while offering a unique blend of Cadillac styling and Saab engineering, has a range of potential issues. The severity and cost of repairs can vary significantly. Engine issues, particularly turbocharger failures and timing chain problems on the 2.0L turbo engines, and DPF/EGR issues on the diesel variant, can be costly. Transmission problems, electrical glitches with the CIM, and interior issues like SID pixel failure are also common. Potential buyers should be aware of these potential problems and factor in maintenance and repair costs when considering a purchase.