1989 Cadillac DeVille service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Built for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and use wiring diagrams and system sections to diagnose problems faster.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Electrical coverage with wiring diagrams
- Coverage across key systems: engine, transmission, brakes, steering, suspension, HVAC, and more
Trims covered
- Base Sedan 4-Door
- Base Coupe 2-Door
Engines covered
- 4.5L 273Cu. In. V8 GAS OHV Naturally Aspirated
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
CERTAIN REPLACEMENT FUEL FILTERS, FRAM BRAND NAME P/N G3727, WITH DATE CODES X52911 THROUGH X60801 SEQUENTIALLY OR X600141 AND A MEXICO COUNTRY OR ORIGIN MARKING ON THE FUEL FILTER HOUSING MANUFACTURE
THIS CONDITION MAY CAUSE AN INADEQUATE SEAL AT THE CONNECTION, POTENTIALLY LEADING TO A FUEL LEAK. I
HONEYWELL WILL NOTIFY OWNERS AND REPLACE THE FUEL FILTERS FREE OF CHARGE. THE RECALL BEGAN ON OCTOB
THE THROTTLE STUCK AND CAUSED THE VEHICLE TO ACCELERATE AROUND A PARKING LOT AT 70MPH AND HIT 7 CARS. PLEASE DESCRIBE. *AK
ELECTRICAL SYSTEM SHUT DOWN, RESULTING IN LOSS OF VEHICLE CONTROL AND IN A MINOR COLLISION. *AK
THROTTLE STUCK AT 71 MPH CRUISE CONTROL WAS NOT ENGAGED, WHEN BRAKES WERE APPLIED VEHICLE WOULD NOT SLOW DOWN AND CONTINUED THROUGH AN INTERSECTION STRIKING A STOP SIGN WHICH FELL ON THE CAR BRAKING T
WIFE WAS DRIVING VEHICLE, PULLED INTO PARKING LOT, MADE A RIGHT TURN, STARTED FOR PARKING SPOT, VEHICLE, WITHOUT WARNING, SUDDENLY ACCELERATED; VEHICLE JUMPED CURB, WENT ACROSS GRASS, HIT LIBRARY BLDG
Showing the 4 most serious of 66 complaints filed with NHTSA.
