1987 Cadillac Brougham 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
- d'Elegance Sedan 4-Door
Engines covered
- 5.0L 307Cu. 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 INCREASED WEIGHT OF THE STRETCH CONVERSION LIMOUSINES REQUIRES LARGER DIAMETER REAR WHEEL BRAKE CYLINDERS THAN THOSE INSTALLED IN THE FACTORY.
THE VEHICLES DO NOT MEET THE STOPPING DISTANCEREQUIREMENTS OF FMVSS 105, "HYDRAULIC BRAKE SYSTEMS".
REPLACE THE EXISTING REAR WHEEL BRAKE CYLINDERS WITH LARGER DIAMETER BRAKE CYLINDERS.
A SMALL NYLON BUSHING IN THE CRUISE CONTROL SERVO BAIL MAY SLIP OUT OF PLACE, CAUSING INTERMITTENT AND UNEXPECTED INCREASES IN ENGINE SPEED OR DIESELING (ENGINE RUN ON WITH IGNITION OFF).
SERVO ROD ASSEMBLY COULD CATCH ON ENGINE COMPONENTS ANDRESULT IN A STUCK THROTTLE WITH POTENTIAL FOR
INSTALL A NEW BUSHING IN CRUISE CONTROL SERVO BAIL.
STOPPING DISTANCE REQUIREMENTS OF FMVSS 105 ARE NOT METWITH POWER BRAKING ASSIST UNIT INOPERATIVE.
REPLACE ORIGINAL 1" REAR WHEEL BRAKE CYLINDER WITH A 1 1/16" CYLINDER.
REAR WHEEL BRAKE CYLINDERS ARE TOO SMALL TO ALLOW FOR PROPER BRAKING.
STOPPING DISTANCE REQUIREMENTS OF FMVSS 105 ARE NOT METWITH POWER BRAKING ASSIST UNIT INOPERATIVE.
REPLACE ORIGINAL 1" REAR WHEEL BRAKE CYLINDER WITH A 1 1/16" CYLINDER.
LIMOUSINE FAILED TO MEET STOPPING DISTANCE REQUIREMENTS OF FMVSS 105.
INCREASED STOPPING DISTANCE COULD RESULT IN AN ACCIDENT;VEHICLES DO NOT COMPLY WITH FMVSS 105.
REPLACE ORIGINAL REAR WHEEL BRAKE CYLINDER WITH A LARGER CYLINDER.
EMERGENCY BRAKE DESIGNED TO RELEASE WHENEVER SHIFTER MOVES, ALSO WHEN GEARS ARE DISENGAGED, CAUSING ACCIDENT/INJURY/FATALITY.
THE CAR WAS RUNNING VERY ODD RIGHT BEFORE I STOPPED AT A STORE. AFTER KILLING THE IGNITION THE CAR STARTED SMOKING AFTER ANY ABOUT A MIN OR LESS THE FRONT OF THE CAR WAS FULLY INVOLVED WITH FLAMES. TH
AN ELECTRICAL SHORT IN THE ENGINE, CAUSED THE ENGINE TO CATCH ON FIRE WHILE DRIVING THE VEHICLE. PLEASE DESCRIBE.*AK
DT: WHILE DRIVING ON THE ROAD AT 65 MPH,AND USING THE CRUISE CONTROL THE CAR KEPT ACCELERATING, AND THE WENT UP TO 75 MPH. IT WOULDN'T SLOW DOWN , EVEN AFTER TRYING TO SHUT OFF THE CRUISE CONTROL.
WHILE COMING OUT OF A PARKING SPACE VEHICLE LOST COMPLETE STEERING CONTROL. DEALER/MANUFACTURER WAS CONTACTED. *AK
Showing the 5 most serious of 6 complaints filed with NHTSA.
