Segment:
Full-size Luxury Sedan
Target Audience:
Owners seeking to maintain and repair their vehicle, DIY enthusiasts, independent repair shops
Key Competitors:
Lincoln Continental, Cadillac Sedan de Ville/DTS, Chrysler LHS, Mercury Grand Marquis
Manual Advantage:
Provides detailed, step-by-step instructions with accompanying illustrations, enabling cost savings on repairs and maintenance.
Vehicle Selling Points:
Comfortable ride, spacious interior, quiet cabin, powerful engine options (especially Supercharged Ultra model).
Primary Coverage:
Complete Service and Repair Procedures
Secondary Coverage:
All Models, Engines, Trim, and Transmission Types
Estimated Page Count:
1500-2000+ (Typical for complete workshop manuals of this era)
Type:
Workshop Service Repair Manual
Format:
Digital Downloadable (PDF)
Engine:
3.8L V6 Naturally Aspirated (L36), 3.8L V6 Supercharged (L67)
Transmission:
4-Speed Automatic (4T60-E, 4T65-E)
Chassis:
Suspension (Front Strut, Rear Coil Spring), Steering (Power Rack and Pinion), Brakes (Front Disc, Rear Drum/Disc)
Electrical:
Wiring Diagrams, Fuses, Relays, Lighting, Power Accessories, Ignition System, Starting System, Charging System
Body:
Body Panels, Doors, Hood, Trunk, Glass, Interior Trim, HVAC System
Maintenance:
Oil Changes, Filter Replacements, Fluid Checks and Top-offs, Spark Plug Replacement, Belts and Hoses Inspection
Diagnostics:
Troubleshooting Guides, Symptom-Based Diagnostics, OBD-II Code Interpretation
Repair:
Engine Overhaul, Transmission Rebuild, Brake System Repair, Suspension Component Replacement, Electrical Component Diagnosis and Repair
Installation:
Component Installation and Removal (e.g., Alternator, Starter, Radiator, Water Pump)
Depth:
Comprehensive (from basic maintenance to complete engine and transmission overhauls, including detailed diagnostic procedures)
NHTSA Frontal Impact Driver:
4-Star (1994 Model Year Data)
NHTSA Frontal Impact Passenger:
4-Star (1994 Model Year Data)
ABS:
Standard (Anti-lock Braking System)
Airbags:
Driver and Passenger Frontal Airbags
Seatbelts:
Frontal and Side-Impact Reinforcement
Oil Change Interval:
3,000-7,500 miles or 6-12 months (depending on oil type and driving conditions - refer to manual for specifics)
Engine Coolant Flush:
Every 30,000-50,000 miles or 2-4 years
Transmission Fluid Change:
Every 30,000-60,000 miles (refer to manual for specific recommendations)
Engine Oil:
SAE 5W-30 (API Certified, GM spec GM6046M)
Coolant:
GM Type II Antifreeze/Coolant (50/50 mix with distilled water)
Power Steering Fluid:
GM Power Steering Fluid (or equivalent)
Common Problem 1:
Intake manifold gasket leaks (especially on L36 engines due to plastic design)
Common Problem 2:
Supercharger coupler failure (L67 engines)
Common Problem 3:
EGR valve issues leading to rough idle or stalling
Common Problem 4:
Window regulator failures
Buick Legacy:
Long history of producing comfortable, well-appointed, and powerful American sedans.
Previous Generation:
Introduced as a redesign of the previous Park Avenue model, built on GM's G platform.
Platform:
GM C-body platform (shared with Oldsmobile Aurora, Cadillac Seville/Eldorado)
Manufacturing Location:
Detroit, Michigan, USA
