🏷️ Basic Information

Make:

Cadillac

Model:

CTS

Year:

2008

Platform:

GM Sigma

👋 Introduction

Market Position:

The 2008 Cadillac CTS was positioned as a mid-size luxury sedan, competing against established German and Japanese rivals, emphasizing American luxury and performance.

Competitive Analysis:

Competed with vehicles like the BMW 5 Series, Mercedes-Benz E-Class, Audi A6, Lexus GS, and Infiniti M.

Key Features Manual:

Vehicle-specific information, comprehensive coverage (A-Z), detailed step-by-step instructions, diagrams, illustrations, wiring schematics, and specifications for all models and repairs. Digital PDF format offers convenience, printability, and easy navigation.

📋 Manual Details

Coverage Scope:

All models and all repairs A-Z for the 2008 Cadillac CTS

Specific Model Coverage:

Covers all trim levels of the 2008 Cadillac CTS, including standard RWD, optional AWD, and the high-performance CTS-V variant.

Page Count:

Not specified in product information

Manual Type:

Factory Service and Repair Manual

Language:

English

Format:

PDF (digital download)

Download Speed:

Fast download

Printability Benefits:

Print only needed pages, avoid greasy/torn paper manuals, enlarge diagrams for clarity.

Convenience:

All information in one easy-to-use PDF, no flipping through multiple books.

Value Proposition:

Saves time and money by enabling DIY repairs and maintenance, empowering owners with knowledge.

📖 Manual Coverage

Powertrain Systems:

Engine Mechanical, Engine Control System, Fuel Service, Emission Control, Intake/Exhaust/Cooling, Lube, Ignition, Starting/Charging, Automatic Transmission, Manual Transmission, Transfer Case, Propeller Shaft, Drive Shaft, Differential, Axle

Chassis Systems:

Suspension, Tire & Wheel, Brake Control, Brake System, Parking Brake, Steering Column, Power Steering

Electrical Systems:

Air Conditioning, Supplemental Restraint System (SRS), Seat Belt Systems, Engine Immobilizer, Cruise Control, Wiper & Washer, Door Locks, Meter/Audio/Visual, Horn, Windshield/Glass/Mirror, Instrument Panel, Electrical System, Multiplex/CAN Communication

Body Systems:

Seat Systems, Engine Hood/Door, Exterior & Interior Trim

Repair Procedures:

Complete step-by-step instructions for diagnosis, maintenance, servicing, and repair of all vehicle systems.

Diagnostic Procedures:

Detailed diagnostic trees and troubleshooting guides for common and complex issues.

Maintenance Procedures:

Routine maintenance tasks, fluid changes, filter replacements, and inspections.

Wiring Schematics:

Comprehensive wiring diagrams for all electrical systems.

Technical Depth:

Factory-level technical depth, equivalent to that used by dealership technicians. Includes detailed specifications, component identification, removal/installation procedures, and torque values.

Electrical Schematics Detail:

Includes detailed wire colors, connector pinouts, and component locations for complete electrical system troubleshooting.

📊 Manual Specifications

File Format:

Adobe PDF

Print Quality:

High-resolution, allowing for clear printing of diagrams and illustrations. Pages are printable and can be blown up for enlarged copies.

Binding Type:

Digital (PDF); no physical binding

Paper Type:

N/A (digital format); printable on any paper type

Compatibility:

Windows (Vista 32/64, XP, ME, 98, NT, 2000) and Mac compatible. Requires Adobe PDF Reader and Winzip.

⚙️ Engine Specifications

Engine Options:

Standard engine was the 3.6L V6 VVT (RPO code LLT), with an optional 5.7L V8 (LS2) in the CTS-V model.

3.6L V6 Performance:

Approx. 255-263 horsepower and 251-253 lb-ft of torque (depending on specific calibration for the year)

5.7L V8 Performance Cts-V:

Approx. 400 horsepower and 395 lb-ft of torque

Fuel System Type:

Multi-port fuel injection (MPI) for the 3.6L V6; Electronic Fuel Injection (EFI) for the 5.7L V8.

3.6L V6 Engine Code:

LLT

V8 Engine Code:

LS2

🔧 Transmission

Standard Transmission:

5-speed automatic (5L40-E/GM 5L50-E) for most 3.6L V6 models.

Optional Transmission:

6-speed manual (Aisin AY6) was an option on some 3.6L V6 models. 6-speed manual (Tremec TR-6060) was standard on the CTS-V, with an optional 6-speed automatic (6L80-E).

Transmission Features:

Automatic transmissions featured manual shifting modes (Driver Shift Control). Rear-wheel drive (RWD) was standard; All-wheel drive (AWD) was optional on 3.6L V6 models.

📐 Dimensions

Wheelbase:

113.4 inches (2880 mm)

Length:

191.5 inches (4864 mm)

Width:

71.1 inches (1806 mm)

Height:

58.0 inches (1473 mm)

Curb Weight:

Approx. 3,600 - 3,800 lbs (1633 - 1724 kg) for V6 models, higher for CTS-V

🛡️ Safety Features

NHTSA Front Crash Test Rating:

5-star (driver and passenger) for the 2008 Cadillac CTS

NHTSA Side Crash Test Rating:

5-star (front and rear passengers) for the 2008 Cadillac CTS

Active Safety Features:

Anti-lock Braking System (ABS), Traction Control System (TCS), StabiliTrak Electronic Stability Control (ESC), available All-Wheel Drive (AWD)

Passive Safety Features:

Frontal airbags, front side-impact airbags, curtain side-impact airbags, active head restraints, 3-point seat belts with pretensioners.

💡 Technology Features

Infotainment System:

Available touch-screen infotainment system with navigation, Bose premium audio system, Bluetooth connectivity, and auxiliary audio input.

Driver Assistance Features:

Rear parking assist, available adaptive remote start, rain-sensing wipers.

Connectivity Features:

OnStar in-vehicle safety and communication system, Bluetooth for hands-free calling.

🔧 Maintenance

Oil Change Interval:

Typically every 7,500 miles or 12 months, whichever comes first (based on synthetic oil use and driving conditions). Consult manual for specific recommendations.

Tire Rotation Interval:

Every 7,500 miles

Coolant Flush Interval:

Refer to manual; typically around 60,000 - 100,000 miles or as per Dex-Cool service schedule.

Engine Oil Specification:

SAE 5W-30 Synthetic (meeting GM specification GM6094M)

Transmission Fluid Specification Automatic:

Dexron-VI Automatic Transmission Fluid (ATF)

Coolant Specification:

GM P/N 12346290 (Orange Dex-Cool Extended Life Antifreeze/Coolant)

Brake Fluid Specification:

DOT 3 or DOT 4 (refer to reservoir cap or manual)

Power Steering Fluid Specification:

GM P/N 12345337 or equivalent Dexron VI ATF for some models.

Common Issues V6:

Timing chain noise/failure (especially on early direct injection 3.6L), occasional oil leaks, intake manifold gasket leaks, potential for carbon buildup on intake valves.

Common Issues Cts V:

Clutch wear (manual transmission), potential for throttle body issues, but generally robust.

Common Issues Electrical:

Infotainment system glitches, power window motor issues, sensor failures (e.g., ABS wheel speed sensors).

📚 Vehicle History

Brand Heritage:

Cadillac, founded in 1902, is America's premier luxury automotive brand, known for pioneering innovations in automotive engineering and comfort.

First Generation Cts:

The first-generation Cadillac CTS (2003-2007) was a pivotal model for Cadillac, aiming to re-establish the brand's credentials in global luxury sedans. The 2008 model represents the introduction of the second generation, built on the new GM Sigma platform, offering significant improvements in design, performance, and refinement.

Second Generation Cts:

The 2008 model year marked the debut of the completely redesigned second-generation CTS, featuring Cadillac's 'Art and Science' design language, a more potent engine lineup, and significant improvements in chassis dynamics and interior quality.

Production Location:

Lansing Grand River Assembly Plant, Lansing, Michigan, USA