1988 Cadillac Seville Service and Repair Manual

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Covers all 1988 Seville trims — Base Sedan 4-Door, STS Sedan 4-Door ·
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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
NHTSA #06E04300019/05/2006Component: FUEL SYSTEM, GASOLINE

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

Consequence

THIS CONDITION MAY CAUSE AN INADEQUATE SEAL AT THE CONNECTION, POTENTIALLY LEADING TO A FUEL LEAK. I

Remedy

HONEYWELL WILL NOTIFY OWNERS AND REPLACE THE FUEL FILTERS FREE OF CHARGE. THE RECALL BEGAN ON OCTOB

No service bulletins No technical service bulletins on file with NHTSA for the 1988 Cadillac Seville.
19950812Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTSCrash reported3 injured

BRAKES FAILED, CAUSING ACCIDENT/INJURIES. *AW

19990301Component: ENGINE AND ENGINE COOLING:ENGINECrash reported

THE FRONT MOTOR MOUNTS BROKE, AND THE CAR WENT COMPLETELY OUT OF CONTROL. THE CAR HIT A WALL AND WAS COMPLETELY TOTALED. *AK

20010328Component: STRUCTURE:BODY:ROOF AND PILLARS

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

19991220Component: VEHICLE SPEED CONTROL

VEHICLE EXPERIENCED SUDDEN ACCELERATION RESULTING IN DAMAGE TO BRAKE COMPONENTS DUE TO EXCESSIVE USE (OVERHEATING). MJS

19991016Component: ELECTRICAL SYSTEM:IGNITION:SWITCH

CAR WANT TO START BUT WON'T. *AK

Showing the 5 most serious of 15 complaints filed with NHTSA.

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