Positioning:
The 1987 Cadillac Brougham represented the pinnacle of American luxury and comfort for its era, targeting affluent buyers who prioritized a smooth ride, spacious interior, and distinctive styling.
Competitors:
Competed against other large luxury sedans of the period, such as the Lincoln Town Car, Chrysler New Yorker Fifth Avenue, and European luxury sedans like Mercedes-Benz and BMW, though the Brougham leaned towards traditional American comfort over sporting dynamics.
Distinguishing Features:
Rear-wheel drive platform (last generation for Cadillac's largest sedans), distinctive formal styling, plush interior appointments, emphasis on ride quality and quietness.
Engine Mechanical:
Engine Overhaul, Tuning, Lubrication System, Cooling System, Fuel System
Engine Management:
Ignition System, Starting and Charging System, Emission Control System, Engine Control System
Drivetrain:
Automatic Transmission, Manual Transmission (if applicable, though rare for Brougham), Transfer Propeller Shaft, Drive Shaft, Differential, Axle
Suspension Steering:
Front Suspension, Rear Suspension, Steering Column, Power Steering
Brakes:
Brake Control System, Hydraulic Brakes, Parking Brake
Electrical:
Complete Electrical System, Wiring Schematics, Multiplex/CAN Communication (early forms), Lighting, Instruments, Audio/Visual, Horn
Body Interior:
Body Structure, Exterior and Interior Trim, Doors, Hood, Glass, Mirrors, Seats, Instrument Panel
Comfort Convenience:
Air Conditioning, Cruise Control, Wiper & Washer System, Door Lock System, Supplemental Restraint System (SRS), Seat Belts, Engine Immobilizer (if equipped)
Maintenance:
Scheduled Maintenance, Fluid Changes, Filter Replacements, Lubrication
Diagnostics:
Troubleshooting Guides, Symptom-Based Diagnosis, Diagnostic Trouble Codes (DTCs) interpretation
Repair:
Component Removal and Installation, Overhaul Procedures, Adjustments, Calibration
Installation:
Accessory Installation, Component Replacements
Depth:
Factory-level detail, covering everything from basic maintenance to complex component rebuilds and system diagnostics.
Engine Type:
4.1L (252 cubic inch) Cadillac High-Output V8 (HT4100)
Horsepower:
Approximately 130-150 hp (Varies slightly based on specific tuning and federal regulations)
Torque:
Approximately 200-210 lb-ft (Varies slightly)
Fuel Delivery:
Electronic Fuel Injection (EFI)
Oil Capacity:
Approximately 5 quarts (with filter) - consult manual for exact specification.
Recommended Oil Viscosity:
10W-30 or 5W-30 (depending on climate) - consult manual for exact specification.
Length:
Approximately 218.7 inches
Width:
Approximately 76.8 inches
Height:
Approximately 55.3 inches
Wheelbase:
Approximately 115.5 inches
Curb Weight:
Approximately 4,000 - 4,200 lbs
NHTSA Ratings:
Data for this era is not directly comparable to modern NHTSA ratings. Emphasis was on structural integrity for its time.
Active Safety:
Power-assisted brakes, power steering, front disc brakes, rear drum brakes.
Passive Safety:
Seat belts (lap and shoulder front, lap rear), padded interior surfaces, safety glass.
Srs System:
Supplemental Restraint System (driver's side airbag) was optional or standard depending on trim level for some GM models in this era; manual will detail its operation and service if equipped.
Audio System:
Factory AM/FM stereo with cassette player, often with optional premium sound systems. Manual covers diagnostics and repair for these.
Cruise Control:
Standard or optional cruise control system, with detailed operation and troubleshooting procedures in the manual.
Multiplex System:
Early forms of multiplexed wiring systems for convenience features were introduced by GM in this era; the manual will detail these complex electrical systems.
Oil Change Interval:
Typically 3,000 miles or 3 months, but refer to the manual for precise recommendations based on driving conditions.
Transmission Fluid Change Interval:
Often recommended every 30,000 miles or 2-3 years, consult the manual for specific guidance.
Coolant Type:
GM Specification 1802667 (Green, Ethylene Glycol based) - or equivalent. Manual will confirm exact type and mix.
Common Wear Items:
Suspension bushings, aging rubber hoses and seals, potential for fuel injector issues with the HT4100, HVAC system components (compressor, blower motor).
Ht4100 Specifics:
The HT4100 engine, while smooth, was not known for robust longevity and can be prone to issues if not meticulously maintained. The manual will provide specific troubleshooting for these.
Cadillac Legacy:
Cadillac has a long-standing reputation for luxury, comfort, and technological innovation in American automobiles.
Brougham Lineage:
The Brougham nameplate has been used by Cadillac for various large, luxurious sedans over decades, often signifying the highest level of comfort and prestige. The 1987 model is part of the final RWD large sedan generation before the shift to FWD platforms for Cadillac's flagship sedans.
Production Years For This Body Style:
1980-1985 (as Brougham, previously under Cadillac Fleetwood Brougham designation), 1986-1992 (as Brougham on the updated FWD C-body platform).
