🏷️ Basic Information

Make:

Cadillac

Model:

CTS

Year:

2004

Generation:

First Generation (2003-2007)

Platform Code:

GM Sigma

👋 Introduction

Market Segment:

Entry-level luxury sedan

Competitors:

BMW 3 Series, Mercedes-Benz C-Class, Audi A4, Lexus IS

Design Philosophy:

Angular, distinctive styling, focus on driving dynamics and luxury appointments

Platform Significance:

First Cadillac built on a rear-drive platform since the Eldorado, aimed at competing directly with European luxury brands

Digital Vs Print:

Offers superior searchability, instant access, and updated content compared to traditional printed manuals

📋 Manual Details

Vehicle Coverage:

2004 Cadillac CTS (all trim levels and engine options)

Estimated Pages:

Extensive (digital format, content comparable to 3000+ printed pages)

Type:

Official Service and Repair Manual Software

Language:

English

Format:

Online access via web browser (PC, Laptop, Smartphone, Tablet)

📖 Manual Coverage

Engine:

3.2L V6 (LA3), 3.6L V6 VVT (LY7)

Drivetrain:

Rear-Wheel Drive (RWD), All-Wheel Drive (AWD) options

Transmission:

5-speed manual (M30), 5-speed automatic (5L40-E)

Brakes:

ABS, Traction Control, Brake System Diagnosis and Repair

Suspension Steering:

Front (MacPherson strut), Rear (multi-link), Steering Gear, Power Steering System

Electrical:

Wiring Diagrams, Component Locations, Diagnostic Procedures, Lighting, Power Accessories, Battery, Charging System

HVAC:

Heating, Ventilation, Air Conditioning System Diagnosis and Repair

Body Exterior:

Body Panel Repair, Doors, Hood, Trunk, Bumpers, Glass, Trim

Body Interior:

Seats, Upholstery, Dashboard, Console, Interior Trim

Safety Restraints:

Airbag System, Seat Belt Systems

Maintenance:

Routine Oil Changes, Filter Replacements, Spark Plug Replacement, Fluid Checks and Top-offs, Brake Pad Replacement, Belt Replacement

Diagnostics:

Troubleshooting Engine Performance, Electrical Faults, HVAC Issues, DTC (Diagnostic Trouble Code) Lookup and Interpretation

Repair:

Engine Component Replacement (e.g., alternator, starter, water pump), Transmission Repair, Suspension Component Replacement (e.g., struts, ball joints, tie rods), Brake Caliper/Rotor Replacement, Exhaust System Repair, Cooling System Repair

Installation:

Component Installation and Replacement Procedures (e.g., stereo systems, aftermarket parts with guidance on integration)

Technical Information:

Torque Specifications, Component Removal and Installation Sequences, Special Tool Requirements

Depth:

Comprehensive: Covers everything from basic scheduled maintenance to in-depth engine, transmission, and electrical system diagnostics and repairs. Includes detailed schematics and diagrams.

📊 Manual Specifications

File Format:

Proprietary online platform access (web-based)

Print Quality:

N/A (Digital Only)

Binding Type:

N/A (Digital Only)

Paper Type:

N/A (Digital Only)

Access Duration:

1 Year (with discounts for extended access)

Licensing:

Officially licensed, derived from OE (Original Equipment) materials

⚙️ Engine Specifications

Engine Code 1:

LA3

Engine Description 1:

3.2L DOHC V6

Displacement 1:

3197 cc (195.1 cu in)

Horsepower 1:

220 hp @ 6200 rpm

Torque 1:

219 lb-ft @ 4400 rpm

Engine Code 2:

LY7

Engine Description 2:

3.6L DOHC VVT V6

Displacement 2:

3564 cc (217.5 cu in)

Horsepower 2:

255 hp @ 6200 rpm

Torque 2:

252 lb-ft @ 3200 rpm

Fuel Delivery:

Sequential Multi-Port Fuel Injection (MPFI)

Fuel Type:

Unleaded Premium Gasoline (91 octane or higher recommended)

Coolant Capacity:

Approx. 7.0 qts (6.6L) for 3.2L, 8.5 qts (8.0L) for 3.6L (with RPO K85)

Coolant Specification:

GM P/N 12346496 (Dex-Cool) or equivalent - orange ethylene glycol based

🔧 Transmission

Transmission Type Standard:

5-Speed Manual (Getrag M30)

Transmission Type Optional:

5-Speed Automatic (GM 5L40-E)

Automatic Features:

Driver-selectable modes (e.g., Comfort, Sport), manual shift capability

Automatic Transmission Fluid:

Dexron III-H or Dexron VI

Automatic Transmission Capacity:

Approx. 7.0 qts (6.6L) for a dry fill, 3.7 qts (3.5L) for a fluid change

Manual Transmission Fluid:

GM P/N 12345349 or SAE 75W-90 Synthetic Gear Oil

📐 Dimensions

Length:

192.3 in (4884 mm)

Width:

71.0 in (1803 mm)

Height:

57.3 in (1455 mm)

Wheelbase:

113.4 in (2880 mm)

Curb Weight Min:

3600 lbs (1633 kg) - RWD

Curb Weight Max:

3800 lbs (1724 kg) - AWD

Trunk Volume:

12.4 cu ft (351 L)

🛡️ Safety Features

NHTSA Frontal Driver:

★★★★★ (5-Star)

NHTSA Frontal Passenger:

★★★★★ (5-Star)

NHTSA Side Driver:

★★★★☆ (4-Star)

NHTSA Side Rear Passenger:

★★★★☆ (4-Star)

IIHS Frontal Offset:

Good

Traction Control:

Standard on all models

Electronic Stability Control:

Standard (StabiliTrak)

ABS:

Standard

Airbags:

Frontal, front side-impact, side-curtain airbags

Seatbelts:

3-point front and rear seat belts with pretensioners and load limiters

💡 Technology Features

Audio System:

Available Bose premium audio system with AM/FM/CD player, optional navigation system

Parking Assist:

Optional rear parking assist sensors

Onstar:

Available OnStar telematics system

Headlights:

Halogen projector-beam headlights, optional Xenon High-Intensity Discharge (HID) headlights

🔧 Maintenance

Oil Change Interval:

7,500 miles or 12 months, whichever comes first (using synthetic oil)

Engine Air Filter:

Replace every 30,000 miles or as needed based on inspection

Cabin Air Filter:

Replace every 15,000 miles or 12 months

Spark Plugs:

Replace every 100,000 miles (iridium type recommended)

Engine Oil Specification:

SAE 5W-30 Synthetic, GM P/N 12345897 or equivalent meeting GM standard GM6094M

Power Steering Fluid:

GM P/N 12345774 or Dexron III-H ATF

Brake Fluid:

DOT 3 (GM P/N 12377952 or equivalent)

Ignition Coils:

Can be prone to failure, especially on the 3.6L engine

Water Pump:

Early models (especially 3.6L) may experience water pump leaks

Cv Joints:

Front CV joints can wear prematurely, especially on AWD models

HVAC Blend Door Actuators:

Common failure leading to improper temperature control or airflow

Strut Mounts:

Can develop knocking sounds or affect alignment

📚 Vehicle History

Cadillac Legacy:

Long history of American luxury and innovation dating back to 1902

Cts Introduction:

Introduced for the 2003 model year as Cadillac's answer to European sports sedans

2004 Updates:

Minor updates including availability of the 3.6L V6 engine and revisions to the optional AWD system.

Manufacturing Location:

Lansing Grand River Assembly, Lansing, Michigan, USA

🏆 Awards & Recognition

North American Car Of The Year:

Nominee for 2003 North American Car of the Year

Car And Driver 10 Best:

Named to Car and Driver's 10Best list for 2003 and 2004