🏷️ Basic Information

Make:

Cadillac

Model:

STS-V

Year:

2009

Vehicle Platform:

GM Sigma II

👋 Introduction

Positioning:

The Cadillac STS-V was a high-performance luxury sedan, representing the pinnacle of Cadillac's performance offerings in its segment. It competed with established luxury performance sedans from German and American manufacturers.

Competitors:

BMW M5, Mercedes-Benz E63 AMG, Audi S6, Chrysler 300C SRT8, Jaguar XJ Supercharged.

Performance Focus:

The STS-V was distinguished by its supercharged V8 engine, enhanced suspension, and aggressive styling, targeting enthusiasts seeking luxury with significant power.

Value:

This manual provides owners and independent repair shops with the necessary information to maintain and repair their STS-V, offering significant cost savings compared to dealership service.

📋 Manual Details

General Coverage:

Complete Workshop Service and Repair

Estimated Pages:

High volume, likely over 1500 pages (typical for complete workshop manuals)

Type:

Workshop Service and Repair Manual

Language:

English

Format:

Downloadable Digital Format (PDF)

📖 Manual Coverage

Powertrain:

Engine mechanical, engine performance, fuel system, exhaust system, cooling system, lubrication system, ignition system, emissions control

Drivetrain:

Transmission (automatic), drive shafts, axles, differentials, transfer case (if applicable), clutch system (if applicable, though STS-V is automatic only)

Suspension Steering:

Front suspension, rear suspension, steering system, power steering, wheel alignment

Brakes:

Brake system, ABS, traction control, electronic stability control, brake fluid, components (calipers, rotors, pads), parking brake

Electrical Electronic:

Battery, charging system, starting system, lighting, instrument cluster, HVAC controls, audio system, power accessories, body control modules, diagnostic trouble codes (DTCs), wiring diagrams

Body Chassis:

Frame and body construction, doors, hood, trunk, exterior trim, interior trim, glass, seats, climate control systems (HVAC)

HVAC:

Climate control system diagnosis and repair, A/C system service, heater core replacement, blower motor diagnosis.

Instrumentation Controls:

Diagnosis and repair of instrument cluster, warning lights, switches, and controls.

Maintenance:

Scheduled maintenance, oil changes, fluid checks and replacements, filter replacements, tire rotation, tune-ups

Repair:

Engine repair, transmission overhaul, brake service, suspension component replacement, electrical system troubleshooting and repair, body panel repair

Diagnostics:

Troubleshooting guides, symptom-based diagnostics, diagnostic trouble code (DTC) interpretation and resolution, component testing

Specifications Data:

Torque specifications, fluid capacities, wiring diagrams, diagnostic data, component specifications, measurements

Body Repair:

Panel alignment, collision repair procedures, sealing, and trim replacement.

Depth:

Comprehensive, covering all aspects from basic maintenance to complete engine and transmission rebuilds, including detailed electrical schematics and troubleshooting.

📊 Manual Specifications

File Type:

PDF

Searchability:

Likely searchable PDF with hyperlinked sections for easy navigation.

Quality:

High quality, designed for clear printing of text and images.

Binding:

N/A (Digital Download)

Paper:

N/A (Digital Download)

⚙️ Engine Specifications

Engine Code:

LSA

Engine Type:

Supercharged 4.4L V8

Horsepower:

469 hp @ 6400 rpm

Torque:

439 lb-ft @ 3600 rpm

Fuel Delivery:

Sequential Multi-Port Fuel Injection (SFI) with Supercharger

ECM:

GM Electronic Control Module (ECM)

Coolant Type:

Dex-Cool (Orange) or equivalent GM-approved coolant.

Oil Type:

SAE 5W-30 Synthetic

Oil Capacity Quarts:

7.0 quarts (with filter)

🔧 Transmission

Transmission Type:

6-Speed Automatic (GM 6L80-E)

Optional Transmission:

N/A (Only 6L80-E offered)

Transmission Features:

Driver Shift Control with paddle shifters, Active Fuel Management (AFM) system (though less prevalent in performance variants like STS-V, it's a GM feature of the era).

Transmission Fluid Type:

Dexron VI

Transmission Fluid Capacity Quarts:

Approximately 10.2 quarts (dry fill), check dipstick/level plug for service fill.

📐 Dimensions

Wheelbase Inches:

113.4

Length Inches:

199.4

Width Inches:

72.9

Height Inches:

57.9

Curb Weight Lbs:

4300 - 4400 (approximate)

Gross Vehicle Weight Rating Gvwr Lbs:

5400 (approximate)

Trunk Volume Cubic Feet:

15.5

🛡️ Safety Features

NHTSA Front Crash Test:

5-Star (for 2009 STS)

NHTSA Side Crash Test:

5-Star (for 2009 STS)

IIHS Crash Test Ratings:

Good (for 2009 STS)

Traction Control:

Standard StabiliTrak (Electronic Stability Control) and Traction Control System (TCS)

ABS:

4-wheel Antilock Braking System (ABS)

Driver Assistance:

Adaptive Cruise Control (Optional)

Airbags:

Frontal airbags for driver and passenger, side-impact airbags, roof-mounted curtain airbags.

Seatbelts:

3-point height-adjustable seat belts with pretensioners and load limiters.

💡 Technology Features

Infotainment System:

Cadillac's infotainment system featuring a touch-screen display, navigation, and integrated audio system.

Audio System:

Bose premium audio system, often with multiple speakers and subwoofer.

Parking Assist:

Rear parking assist sensors (Park Assist) standard.

Headlights:

Adaptive forward lighting (headlights that pivot with steering) and HID (High-Intensity Discharge) headlights.

Bluetooth:

Bluetooth connectivity for hands-free calling.

Keyless Entry:

Keyless Access with Push Button Start.

🔧 Maintenance

Oil Change Interval:

Every 7,500 miles or 12 months, whichever comes first, using synthetic oil.

Transmission Fluid Change Interval:

Every 60,000 miles (typical for Dexron VI, consult manual for specifics).

Spark Plug Replacement:

Platinum-tipped spark plugs typically have a 100,000-mile service life.

Brake Fluid Type:

DOT 3 or DOT 4 (check manual for exact specification)

Power Steering Fluid Type:

GM Power Steering Fluid or Dexron VI automatic transmission fluid.

Supercharger Coupler:

Early LSA engines could experience coupler issues within the supercharger drive; periodic inspection recommended.

Electronic Modules:

As with many vehicles of this era, specific electronic control modules (BCM, ECM) can be prone to failure, requiring diagnostic attention.

Suspension Components:

Wear on suspension bushings, ball joints, and struts can occur with high mileage and spirited driving.

📚 Vehicle History

Cadillac Legacy:

Cadillac has a long history of producing luxury vehicles in the United States, known for comfort, style, and increasingly, performance.

Sts Platform:

The STS (Seville Touring Sedan) replaced the rear-wheel-drive Seville. The STS-V was the high-performance variant introduced to directly compete in the luxury sports sedan market.

Production Years Sts V:

2006-2010

Manufacturing Location:

Lansing Grand River Assembly Plant, Lansing, Michigan, USA

🏆 Awards & Recognition

Performance Accolades:

The STS-V received positive reviews for its potent engine and luxury appointments, though its sales volume was limited due to its niche market position and price point.

Reliability Ratings:

Reliability ratings for the STS-V are generally considered average for the era and segment, with typical luxury car maintenance needs.