1988 Cadillac Seville 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
- STS Sedan 4-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
BRAKES FAILED, CAUSING ACCIDENT/INJURIES. *AW
THE FRONT MOTOR MOUNTS BROKE, AND THE CAR WENT COMPLETELY OUT OF CONTROL. THE CAR HIT A WALL AND WAS COMPLETELY TOTALED. *AK
ROOF BLEW OFF WHILE DRIVING AT 50 MPH. MANUFACTURER NOTIFIED, AND INFORMED CONSUMERTHAT THEY HAVE NO INFORMATION ON THIS MATTER. DEALER INFORMED CONSUMER THAT VEHICLE WAS OUT OF ITS WARRANTY. *AK
VEHICLE EXPERIENCED SUDDEN ACCELERATION RESULTING IN DAMAGE TO BRAKE COMPONENTS DUE TO EXCESSIVE USE (OVERHEATING). MJS
CAR WANT TO START BUT WON'T. *AK
Showing the 5 most serious of 15 complaints filed with NHTSA.
