🏷️ Basic Information

Make:

Cadillac

Model:

DeVille

Year:

1994

Product Name:

1994 Cadillac DeVille Service & Repair Manual Software

👋 Introduction

Market Position:

Premium Personal Luxury Sedan targeting discerning buyers seeking comfort, style, and advanced features for its era.

Competitive Analysis:

Competed directly with domestic luxury marques such as Lincoln Continental and luxury imports like Mercedes-Benz S-Class (lower trims), Lexus LS, and BMW 7 Series, emphasizing ride quality and a spacious interior.

Key Features:

Front-wheel drive, robust V8 engine, sophisticated independent suspension, extensive standard equipment, emphasis on quiet operation and passenger comfort.

Target Audience:

DIY enthusiasts, independent repair shops, and Cadillac owners seeking to perform maintenance and repairs themselves.

📋 Manual Details

Coverage Areas:

Full Service and Repair Information, Diagnostics, Wiring Diagrams, Maintenance Schedules, Component Repair, Troubleshooting

Page Count:

Estimated 1500+ pages (typical for full factory service manuals)

Manual Type:

Digital Service and Repair Manual (Software)

Language:

English

Format:

Online Access (Web Browser Compatible), PC, Laptop, Smartphone, Tablet

📖 Manual Coverage

Systems Covered:

Engine (4.9L V8), Transmission (4T60-E Automatic), Brakes (ABS & Standard), Suspension (Front & Rear), Steering, HVAC, Fuel System, Ignition System, Cooling System, Electrical System (including wiring diagrams), Body & Interior, Body Control Modules, Powertrain Control Module (PCM), Diagnostics, Emissions Control

Procedures Included:

Routine Maintenance, Scheduled Maintenance, Engine Repair & Rebuild, Transmission Service & Overhaul, Brake System Service & Repair, Suspension & Steering Component Replacement, HVAC System Diagnostics & Repair, Electrical System Troubleshooting, Fuel System Diagnosis & Repair, Ignition System Service, Cooling System Flushing & Repair, Body Panel Repair, Interior Trim & Upholstery, Diagnostic Trouble Code (DTC) Procedures, Wiring Harness Repair, Component Replacement & Adjustment

Technical Depth:

Factory-Level Diagnostics, Component-Level Repair, Detailed Torque Specifications, Exploded Views, Repair Times (Estimated), Troubleshooting Flowcharts, Special Tool Recommendations, Electrical Schematics

Wiring Diagrams:

Comprehensive electrical schematics for all vehicle systems, including engine control, body electronics, lighting, audio, climate control, power accessories, and diagnostic circuits.

Diagnostics:

Detailed procedures for reading and interpreting Diagnostic Trouble Codes (DTCs) from the Powertrain Control Module (PCM) and other relevant modules. Includes diagnostic flowcharts and symptom-based troubleshooting guides.

Component Replacement:

Step-by-step instructions for the removal and installation of virtually every component on the vehicle, from major powertrain parts to minor interior trim pieces.

Body And Chassis:

Covers frame and unibody repair, body panel alignment, door and window mechanisms, convertible top service (if applicable), corrosion prevention, and interior trim disassembly/reassembly.

Emissions Control:

Detailed information on the vehicle's emissions control systems, including the catalytic converter, oxygen sensors, EGR system, and evaporative emissions control system, along with diagnostic and repair procedures.

Troubleshooting:

Extensive troubleshooting guides for common and uncommon problems, covering symptoms, potential causes, and diagnostic steps.

Special Tools:

Lists and diagrams of specialized tools required for specific repair procedures, often referencing GM J-tools or equivalents.

📊 Manual Specifications

File Format:

Proprietary Web-Based Platform

Print Quality:

N/A (Digital)

Binding Type:

N/A (Digital)

Paper Type:

N/A (Digital)

Updates:

Access for one year, with discounts available for extended access.

Licensing:

Officially Licensed, Licensed information derived from OE (Original Equipment) materials.

⚙️ Engine Specifications

Primary Engine:

4.9L (300 cu in) V8 (L27)

Horsepower:

200 hp @ 4000 rpm

Torque:

270 lb-ft @ 3200 rpm

Fuel System:

Sequential Port Fuel Injection (SFI)

Engine Codes:

L27 (Standard)

Engine Management:

OBD-I (On-Board Diagnostics - First Generation)

Engine Description:

Overhead Valve (OHV) V8 engine with cast iron block and aluminum heads.

🔧 Transmission

Standard:

4-Speed Automatic (4T60-E)

Features:

Electronically Controlled with Overdrive, Lock-up Torque Converter

Fluid Type:

Dexron-III Automatic Transmission Fluid (ATF)

📐 Dimensions

Length:

206.4 inches

Width:

74.4 inches

Height:

55.5 inches

Wheelbase:

110.8 inches

Curb Weight:

3,835 lbs

Gross Vehicle Weight Rating:

4,850 lbs

Interior Volume:

Approx. 105 cubic feet (passenger volume)

Cargo Volume:

Approx. 17.1 cubic feet

🛡️ Safety Features

NHTSA Driver Front Impact:

Not Rated (Standard for Era)

NHTSA Passenger Front Impact:

Not Rated (Standard for Era)

Active Features:

Anti-lock Braking System (ABS) - Standard on most trims, Traction Control System (TCS) - Optional

Passive Features:

Driver & Front Passenger Airbags, Three-Point Seatbelts (Front & Rear), Side-Guard Door Beams, Crumple Zones

Braking System:

Front: Ventilated Disc, Rear: Disc. ABS standard.

💡 Technology Features

Infotainment:

Delco Electronics AM/FM Stereo with Cassette Player, Optional CD Player, Optional Bose Premium Sound System, Digital Climate Control with Automatic Temperature Control (ATC).

Driver Assistance:

Optional Traction Control System (TCS), Standard Anti-lock Braking System (ABS).

Connectivity:

N/A (Era-appropriate, primarily internal vehicle systems).

Lighting:

Halogen Headlamps, Front Fog Lamps (Optional), Cornering Lamps.

Climate Control:

Automatic Climate Control (ATC) with electronic sensors and dual-zone temperature control capabilities.

🔧 Maintenance

Oil Change Interval:

Every 3,000 - 5,000 miles or 6 months (depending on driving conditions and oil type)

Engine Coolant Flush:

Every 30,000 miles or 2 years

Transmission Fluid Change:

Every 30,000 - 50,000 miles

Engine Oil Type:

API SJ or higher, SAE 5W-30 (preferred), 10W-30, or 10W-40

Engine Oil Capacity:

4.5 quarts (4.26 liters) with filter change

Coolant Type:

GM-specific green ethylene glycol coolant (50/50 mix with distilled water)

Power Steering Fluid:

Dexron-III ATF or GM Power Steering Fluid

Brake Fluid Type:

DOT 3

Known Issues:

Water pump leaks, intake manifold gasket leaks, throttle body issues, ABS sensor failures, dashboard instrument cluster problems (e.g., gauge malfunctions), HVAC blower motor resistor failure, AC system refrigerant leaks, exhaust manifold cracks, power antenna issues.

Oil Filter Part Number:

AC Delco PF2/PF25 or equivalent (verify with specific vehicle VIN)

Air Filter Part Number:

AC Delco A1043C or equivalent (verify with specific vehicle VIN)

Spark Plug Part Number:

AC Delco 41-850 (R44LTS) or equivalent (verify with specific vehicle VIN)

Tire Size:

P215/60R16 (Standard on most trims)

Wheel Bolt Pattern:

5 x 115mm (5 x 4.5 inches)

📚 Vehicle History

Brand Heritage:

Cadillac, a division of General Motors, has a long-standing reputation for luxury, comfort, and advanced technology in American automobiles since 1902.

Model Evolution:

The 1994 DeVille belongs to the eighth generation (1994-1999) of the DeVille line, which saw a significant redesign with a more aerodynamic profile and a focus on increased interior space and comfort. This generation marked a transition to GM's G-body platform.

Production Location:

Hamtramck, Michigan, USA (General Motors Detroit/Hamtramck Assembly)

Model Positioning:

Positioned as Cadillac's entry-level luxury sedan, offering significant value and amenities compared to higher-tier models like the Seville and Eldorado.

🏆 Awards & Recognition

Recognitions:

Consistently ranked among the top luxury sedans for comfort and ride quality in its class during the mid-1990s.