Vehicle Segment:
Full-size luxury sedan/wagon, a direct descendant of Cadillac's traditional role in the GM lineup, offering a comfortable and spacious ride.
Competitors:
Ford Crown Victoria/Grand Marquis, Chrysler New Yorker/New Yorker Fifth Avenue, Lincoln Town Car.
Manual Advantage:
Officially licensed OE materials from RepairSurge, providing accurate and up-to-date factory repair information in a convenient digital format.
Vehicle Appeal:
Renowned for its comfortable ride, spacious interior, and traditional rear-wheel-drive platform, embodying a classic American luxury car experience.
Primary Coverage:
Service and Repair
Secondary Coverage:
Maintenance, Troubleshooting, Diagnostics
Estimated Page Count:
Extensive (Likely 1500+ pages for comprehensive OE manual, software will be dynamically rendered)
Type:
Digital Service and Repair Manual Software
Format:
PDF Download (Accessible via Web Browser)
Powertrain:
Engine mechanical, Fuel system, Ignition system, Exhaust system, Cooling system, Lubrication system
Drivetrain:
Transmission (Automatic), Driveshaft, Rear axle, Differential
Chassis:
Suspension (Front and Rear), Steering system, Brake system (Front Disc, Rear Drum/Disc depending on configuration), Wheels and Tires
Electrical:
Starting and Charging system, Lighting system, Ignition system, Instrument cluster, Power accessories, Body electrical controls, Engine Control Module (ECM) wiring diagrams
HVAC:
Heating, Ventilation, and Air Conditioning (HVAC) system operation, diagnosis, and repair
Body:
Body and frame construction, Exterior trim, Interior trim, Doors, Hood, Trunk, Glass, Seats
Maintenance:
Routine maintenance procedures (oil change, filter replacement, fluid checks, spark plug replacement)
Repair:
Component-level repair and replacement (e.g., brake pad replacement, alternator replacement, fuel pump replacement, suspension component replacement)
Diagnostics:
Troubleshooting charts, diagnostic trouble codes (DTCs) interpretation, diagnostic procedures for various systems
Adjustments:
Adjustment procedures for brakes, clutch (if applicable, though typically automatic), steering alignment
Depth:
Factory-level detail, including torque specifications, clearances, diagnostic flowcharts, wiring diagrams, and component specifications.
Printability:
High-resolution, printable pages
Binding:
N/A (Digital Download)
Paper Quality:
N/A (Digital Download)
Device Compatibility:
Compatible with PC, Laptop, Smartphone, Tablet via web browser
Subscription Length:
1 Year included, with discounts for renewal
Engine Type:
5.7L V8 OHV (Gen VI Small-Block V8)
Bore X Stroke:
4.00 in x 3.48 in (101.6 mm x 88.4 mm)
Horsepower:
260 hp @ 4600 rpm
Torque:
330 lb-ft @ 2800 rpm
Fuel Delivery:
Central Port Injection (CPI) - Chevrolet Tuned Port Injection variant
Fuel Type:
Unleaded Regular Gasoline (87 octane recommended)
Engine Variant:
LT1 (Optional 5.7L V8 - Introduced late 1993/early 1994 models, this is a significant upgrade to the L05 V8. *Need to verify specific VIN for LT1 inclusion*.)
Lt1 Horsepower:
260 hp @ 5000 rpm (for LT1 variant)
Lt1 Torque:
330 lb-ft @ 3200 rpm (for LT1 variant)
Wheelbase:
117.5 inches (2984 mm)
Length:
214.4 inches (5446 mm)
Width:
79.7 inches (2024 mm)
Height:
54.1 inches (1374 mm) Sedan / 55.4 inches (1407 mm) Wagon
Curb Weight:
Approx. 4,300 - 4,500 lbs (1950 - 2041 kg), depending on body style and options.
Trunk Volume:
Approx. 20.2 cu ft (Sedan)
Cargo Volume Wagon:
Approx. 40.0 cu ft (rear seat up) / 87.0 cu ft (rear seat folded)
NHTSA Frontal Impact Driver:
Not rated for this specific year/model, but representative of the era's safety standards.
NHTSA Frontal Impact Passenger:
Not rated for this specific year/model.
ABS:
Standard Anti-lock Braking System (ABS)
Airbags:
Driver-side airbag standard. Passenger airbag optional or standard on later models/trims.
Seatbelts:
Front 3-point seatbelts with shoulder belt height adjusters, rear lap and shoulder belts.
Audio System:
Available premium audio systems with cassette player, AM/FM stereo, and optional CD player. Seek/Scan tuning, tone controls.
Cruise Control:
Standard electronic cruise control.
Telematics:
N/A (No integrated telematics systems)
Oil Change Interval:
Every 3,000 - 5,000 miles (7,500 - 12,000 km) or 6 months, whichever comes first, depending on driving conditions. Refer to manual for exact recommendations.
Tire Rotation:
Every 5,000 - 7,500 miles (8,000 - 12,000 km)
Transmission Service:
Flush and replace fluid and filter every 30,000 - 50,000 miles (50,000 - 80,000 km).
Engine Oil:
API SG/SH or higher. Viscosity: SAE 5W-30 (preferred for cold weather) or SAE 10W-30. Capacity: Approx. 5 quarts (4.7 liters) with filter.
Coolant:
Ethylene Glycol based coolant, 50/50 mix with distilled water. Mopar Antifreeze/Coolant (API Service ML-L 1811A) or equivalent. Capacity: Approx. 17.4 quarts (16.5 liters).
Brake Fluid:
DOT 3 Brake Fluid
Common Problems:
Dashboard delamination, sagging headliner, potential intake manifold gasket leaks (on LT1 engines), transmission shift solenoid issues, power window motor failures, exhaust manifold cracking (LT1).
Buick Legacy:
Buick has a long history of producing comfortable, spacious, and well-equipped American luxury vehicles. The Roadmaster nameplate has been used intermittently for large Buicks since the 1930s.
Reintroduction:
The 1994 Roadmaster marked the reintroduction of the nameplate after a hiatus, based on the updated GM B-body platform shared with Chevrolet Caprice and Impala SS.
Manufacturing Plant:
Arlington Assembly, Texas, USA
Production Run:
1991-1996 (This specific manual covers the 1994 model year, which received updates including the optional LT1 engine.)
