The 1988 Cadillac Brougham Repair Manual provides comprehensive technical information for maintaining and repairing the classic luxury vehicle. This manual covers the 5.0L and 5.7L V8 engines, rear-wheel drive platform, THM 700-R4 automatic transmission, suspension systems, electrical systems, climate control, and body components. Below are key sections for maintenance procedures, specifications, troubleshooting, and repair instructions.
Technical specifications for the 1988 Cadillac Brougham including dimensions, capacities, and performance data.
| Specification | Details |
|---|---|
| Engine Options | 5.0L V8 (L05), 5.7L V8 (L05) |
| Transmission | THM 700-R4 4-speed automatic |
| Wheelbase | 121.5 inches |
| Overall Length | 221.0 inches |
| Curb Weight | Approx. 4,100 lbs |
| Fuel Capacity | 25.0 gallons |
| Brake System | Front disc, rear drum with ABS |
| Suspension | Front independent, rear leaf spring |
| Electrical | 12-volt system, 78-amp alternator |
| Cooling System | 18.0 quart capacity |
Detailed repair procedures for the 5.0L and 5.7L V8 engines including fuel injection, ignition, and cooling systems.
WARNING! Always disconnect battery before working on electrical systems. Use proper jack stands when lifting vehicle.
Service procedures for the THM 700-R4 automatic transmission and rear differential.
CAUTION! Transmission fluid may be hot after operation. Allow to cool before servicing.
Complete brake system service including hydraulic components and anti-lock brake system.
Front Brakes: Disc brake pad replacement, caliper service, rotor machining/replacement. Rear Brakes: Drum brake shoe replacement, wheel cylinder service, drum machining. Hydraulic System: Master cylinder service, brake line inspection, bleeding procedures. ABS System: Diagnosis, sensor testing, control module service.
Wiring diagrams and repair procedures for all electrical components.
Tip: Use digital multimeter for accurate electrical diagnosis.
HVAC system service including heater core, A/C compressor, and control systems.
WARNING! A/C system contains refrigerant under pressure. Use proper recovery equipment.
Body panel alignment, trim installation, and interior component service.
Recommended service intervals for optimal vehicle performance and longevity.
CAUTION! Follow specified torque values for all fasteners. Use only recommended fluids and lubricants.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Engine cranks but won't start | Fuel pump, ignition module | Check fuel pressure, test spark, verify ignition timing |
| Transmission slipping | Low fluid, worn bands | Check fluid level and condition, adjust bands if applicable |
| Brake pedal pulsation | Warped rotors | Inspect and machine or replace brake rotors |
| Electrical issues | Ground connections, alternator | Test battery and charging system, check grounds |
| Overheating | Thermostat, water pump | Test thermostat, check coolant flow, inspect water pump |
Diagnostic Tools: Use factory scan tool for computer system diagnosis.
Complete electrical schematics for all vehicle systems including color-coded wiring and connector locations.