1991 Cadillac Fleetwood Service and Repair Manual

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Factory-Grade Data

1991 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

  • 4.9L 300Cu. 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

1991 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 #91V09800014/06/1991Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM:WHEEL CYLINDERS

REAR WHEEL BRAKE CYLINDERS TOO SMALL TO ALLOW FOR PROPER BRAKING.

Consequence

STOPPING DISTANCE REQUIREMENTS OF FMVSS 105 ARE NOT METWITH THE POWER ASSIST UNIT INOPERATIVE.

Remedy

REPLACE ORIGINAL 1" REAR WHEEL BRAKE CYLINDER WITH A 1 1/16" CYLINDER.

NHTSA #94V19900013/10/1994Component: POWER TRAIN:AXLE ASSEMBLY

THE UPPER TRANSAXLE OIL COOLER HOSE CAN PULL OUT OF THE CRIMPED COUPLING AT THE TRANSAXLE END OF THE LINE ASSEMBLY.

Consequence

IN THE EVENT OF SEPARATION OF THE COUPLING, AN OIL LEAK CAN OCCUR WHICH, WHEN EXPOSED TO AN IGNITION

Remedy

DEALERS WILL INSTALL A NEW UPPER TRANSAXLE OIL COOLER LINE TO THE TRANSAXLE.

TSB #10246631

Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules

TSB #634999

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

TSB #51497

COLD START RATTLE NOISE (DIAGNOSIS/SERVICE PROCEDURE). *TW

TSB #50571

COLD START RATTLE NOISE. *TW

TSB #39308

COLD START RATTLE NOISE. *TW

19950313Component: AIR BAGS:FRONTALCrash reported10 injured

IN ACCIDENT 12:00 POSITION AT UNKNOWN SPEED DRIVERS AIRBAG DID NOT DEPLOY AND BOTH FRONT SEAT BELTS DID NOT HOLD. TT

19950313Component: SEAT BELTS:FRONT:ANCHORAGECrash reported10 injured

IN ACCIDENT 12:00 POSITION AT UNKNOWN SPEED DRIVERS AIRBAG DID NOT DEPLOY AND BOTH FRONT SEAT BELTS DID NOT HOLD. TT

19950814Component: ENGINE AND ENGINE COOLING:ENGINE:GASOLINEFire reported

THE VEHICLE HAS BURNED COMPLETELY UP DUE TO AN ENGINE FIRE. THIS HAPPENED BEFORE THE RECALL CAME OUT. PLEASE DESCRIBE. TT

20000829Component: SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED

REAR BRAKES WENT OUT DUE TO FLUID NOT GETTING TO BRAKES, CONSUMER HAS EXPERIENCED PREVIOUS BRAKE FAILURE, DEALER CAN NOT REPAIR BRAKES DUE TO THEM BEING DISCONTINUED, CONSUMER DOES NOT KNOW HOW TO GET

19991122Component: VEHICLE SPEED CONTROL

WHEN THE CRUISE CONTROL IS SET AT 55 MPH, SPEED STARTS INCREASING AND WOULD NOT DISENGAGE, EVEN THOUGH DRIVER STEPPED ON THE BRAKES AND TURNED THE OFF THE SWITCH. DRIVER WAS ABLE TO TURN OFF THE IGN

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

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