1991 Cadillac Eldorado Service and Repair Manual

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Covers all 1991 Eldorado trims — Spring Edition Coupe 2-Door, Biarritz Coupe 2-Door, Touring Coupe 2-Door +1 more ·
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1991 Cadillac Eldorado 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

  • Spring Edition Coupe 2-Door
  • Biarritz Coupe 2-Door
  • Touring Coupe 2-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
NHTSA #95V11000031/05/1995Component: SEAT BELTS:FRONT:WEBBING

THE FRONT OUTER SHOULDER BELT WEB SEW STOP CAN BECOME STUCK IN THE RETRACTOR. THE BELT CAN BE DIFFICULT TO PULL OUT OF THE RETRACTOR AND SOME OCCUPANTS MAY NOT BE ABLE TO FASTEN THE BELT.

Consequence

THIS CONDITION CAN PREVENT A PERSON FROM USING THEIR RESTRAINT SYSTEM RESULTING IN AN INCREASED RISK

Remedy

DEALER WILL INSTALL A WEBBING STOP BUTTON IF THE CUSTOMER REQUESTS REPAIR.

TSB #10246631

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

TSB #51497

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

TSB #50571

COLD START RATTLE NOISE. *TW

TSB #39308

COLD START RATTLE NOISE. *TW

19980930Component: SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITEDCrash reported

WHILE DRIVING 35 MPH IN THE RAIN THE ABS BRAKING SYSTEM LOCKED UP, CAUSING THE VEHICLE TO SLIDE AND HAD A FRONTAL IMPACT WITH A VEHICLE. THE DRIVER'S AIR BAG DID NOT DEPLOY WHICH DID NOT PROTECT THE

19980930Component: AIR BAGS:FRONTALCrash reported

WHILE DRIVING 35 MPH IN THE RAIN THE ABS BRAKING SYSTEM LOCKED UP, CAUSING THE VEHICLE TO SLIDE AND HAD A FRONTAL IMPACT WITH A VEHICLE. THE DRIVER'S AIR BAG DID NOT DEPLOY WHICH DID NOT PROTECT THE

20061116Component: SEAT BELTSFire reported

1991 ELDORADO SEAT BELTS ARE UNSAFE. *TS CADILLAC CLAIMED THEY WERE UNABLE TO LOCATE REPLACEMENT SEAT BELTS IN THE COLOR THE CONSUMER NEEDED. *NM UPDATED 12/01/15*LJ THE CONSUMER STATED WENT TO

20061116Component: ENGINE AND ENGINE COOLINGFire reported

1991 ELDORADO SEAT BELTS ARE UNSAFE. *TS CADILLAC CLAIMED THEY WERE UNABLE TO LOCATE REPLACEMENT SEAT BELTS IN THE COLOR THE CONSUMER NEEDED. *NM UPDATED 12/01/15*LJ THE CONSUMER STATED WENT TO

19961104Component: FUEL SYSTEM, GASOLINEFire reported

WHILE DRIVING OWNER SMELLED GASOLINE FUMES, PULLED OVER AND VEHICLE CAUGHT ON FIRE. PLEASE DESCRIBE FURTHER DETAILS. *AK

Showing the 5 most serious of 16 complaints filed with NHTSA.

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