1990 Cadillac Fleetwood Service and Repair Manual

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Factory-Grade Data

1990 Cadillac Fleetwood 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

  • 60 Special Sedan 4-Door
  • Base Sedan 4-Door
  • d'Elegance Coupe 2-Door
  • d'Elegance 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

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Vehicle Safety Data

1990 Cadillac Fleetwood Recalls & Complaints

NHTSA #07E08800024/10/2007Component: EQUIPMENT

CERTAIN HONEYWELL FRAM RACING BRAND HP4 AND HP8 OIL FILTERS THAT WERE MANUFACTURED FROM MAY 25, 2006, THROUGH SEPTEMBER 14, 2007, AND SOLD FOR USE AS REPLACEMENT EQUIPMENT FOR VEHICLES LIST ABOVE. TH

Consequence

THIS CONDITION MAY CAUSE INADEQUATE SEALING AND LOSS OF ENGINE OIL, POSSIBLY RESULTING IN A FIRE.

Remedy

HONEYWELL WILL REPLACE THE AFFECTED OIL FILTERS FREE OF CHARGE. THE RECALL BEGAN DURING NOVEMBER 20

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

TSB #634999

DIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE. *TT 2006 AND PRIOR CARS AND LIGHT DUTY TRUCKS. *TT

19990601Component: SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITEDCrash reported

WHEN BRAKES WERE APPLIED UNDER NORMAL BRAKING, PEDAL BECAME HARD, RESULTING IN EXTENDED STOPPING DISTANCE WHICH CAUSED A MINOR COLLISION. BRAKE LIGHT WAS ON PRIOR TO THE INCIDENT. THE DEALER HA

19970813Component: SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITEDCrash reported

DRIVING 35MPH, APPLIED THE BRAKES, THEY LOCKED. VEHICLE CONTINUED MOVING; WENT INTO GAS STATION & HIT PARKED VEHICLE. TOOK TO DEALER 1ST TIME IT HAPPENED. REPLACED BRAKE SYSTEM. *AK WHEN BRAKES ARE

19970603Component: SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITEDCrash reported

WHEN APPLYING THE ABS BRAKES IN A SUDDEN STOP, WITH SPEEDS OF 30 TO 35MPH, THE PEDAL CONTINUED TO MANEUVER, CAUSING AN EXTENDING STOPPING DISTANCE, RESULTING IN AN ACCIDENT. *AK

19970612Component: ELECTRICAL SYSTEM:IGNITION:SWITCHFire reported

'ELECTRICAL SMELL ENTERED PASSENGER'S COMPARMENT AND SMOKE ILLUMINATED FROM THE STEERING COLUMN. DEALERSHIPS FINDINGS : ELECTRICAL WIRING SWITCH. *AK

20030627Component: FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:MOUNTING

1990 FLEETWOOD HAD AN ERROR IN THE FUEL SYSTEM.*MR THE FUEL TUBE MOUNTED FROM THE BODY TO FUEL PRESSURE REGULATOR, AT THE FUEL PRESSURE REGULATOR THERE WAS SUPPOSE TO BE SECURITY CONNECTION BETWEE

Showing the 5 most serious of 22 complaints filed with NHTSA.

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