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
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.
THIS CONDITION CAN PREVENT A PERSON FROM USING THEIR RESTRAINT SYSTEM RESULTING IN AN INCREASED RISK
DEALER WILL INSTALL A WEBBING STOP BUTTON IF THE CUSTOMER REQUESTS REPAIR.
Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
COLD START RATTLE NOISE (DIAGNOSIS/SERVICE PROCEDURE). *TW
COLD START RATTLE NOISE. *TW
COLD START RATTLE NOISE. *TW
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
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
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
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
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.
