1994 Buick Roadmaster 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
- Estate Wagon Wagon 4-Door
- Base Sedan 4-Door
- Limited Sedan 4-Door
Engines covered
- 5.7L 350Cu. 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
DEFECTIVE LOWER CONTROL ARM BALL JOINT ATTACHMENT NUTS WERE NOT PROPERLY TORQUED AND CAN LOOSEN.
IF THE LOWER CONTROL ARM BALL JOINT LOOSENS, FATIGUES AND SEPARATES FROM THE FRONT SUSPENSION KNUCKL
DEALERS WILL INSPECT BOTH FRONT LOWER CONTROL ARM BALL JOINT ATTACHMENT NUTS FOR PROPER TORQUE. IF T
THE FUEL TANK ATTACHMENT STRAP FASTENERS WERE NOT PROPERLY TIGHTENED. THE FASTENERS CAN COMPLETELY DETACH, EVENTUALLY ALLOWING THE FUEL TANK TO SAG AND THE BOTTOM OF THE TANK TO STRIKE THE ROADWAY.
THIS CAN RESULT IN A FUEL TANK LEAK AND FIRE IF THE LEAKING FUEL IS EXPOSED TO A SOURCE OF IGNITION.
DEALERS WILL RETIGHTEN THE FUEL TANK STRAP FASTENERS.
THESE VEHICLES FAIL TO CONFORM TO FMVSS NO. 124, "ACCELERATOR CONTROL SYSTEMS." AT LOW TEMPERATURES, EXCESSIVE FRICTION CAN OCCUR IN THE ACCELERATOR PEDAL ASSEMBLY.
CONSEQUENCE OF NON-COMPLIANCE: IN THE EVENT OF A FAILURE OF THE TROTTLE RETURN SPRING, IF THERE IS
DEALERS WILL REPLACE THE ACCELERATOR PEDAL ASSEMBLY.
THE ENGINE OIL COOLER INLET HOSE MAY HAVE BEEN INSTALLED TOO CLOSE TO THE STEERING GEAR CAUSING CHAFING. THE CHAFING CAN EVENTUALLY WEAR THROUGH THE HOSE'S PROTECTIVE SLEEVE RESULTING IN ENGINE OIL LE
IF THIS OCCURS, THE OIL LEAK ONTO THE ENGINE CAN RESULT IN AN ENGINE COMPARTMENT FIRE.
PAINT ON THE WHEEL MOUNTING SURFACES CAN ACT AS A SHIM BETWEEN THE WHEEL AND THE ROTOR/DRUM. AS THE VEHICLE IS DRIVEN, THE WHEEL IMBEDS INTO THE PAINT, LOOSENING THE LUG NUT AND CAUSING A LOSS OF CLAM
ONCE CLAMP LOAD IS LOST, ALL TIRE LOADS ARE TAKEN BY THE WHEEL STUDS RESULTING IN A FRACTURE OF THE
DEALERS WILL CLEAN THE WHEEL MOUNTING SURFACES FOR ALL FOUR WHEELS. ALSO, THE WHEEL STUDS WILL BE IN
Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
SOME VEHICLES EXPERIENCE ENGINE MISS/ POOR DRIVEABILITY SYMPTOMS. *YC
EXPERIENCING INTERMITTENT STEERING COLUMN SNAP OR CLICK NOISE WHEN TURNING. *YC
EXPERIENCING ENGINE NOISE. *YC
ENGINE NOISE (INSTALL VALVE STEM OIL SEAL). *TW
WATER IN AIR PUMP AND/OR DTC P0410, P0412, P1415, P1416, P0100, P0101, P0102 AND DTC 48 (INSTALL AIR PUMP SERVICE KIT). *TW
UNKNOWN
WIPER CHATTER DURING COLD WEATHER. *TW
Showing the 8 most recent of 9 technical service bulletins on file with NHTSA.
CONSUMER WAS INVOLVED IN A CRASH AND THE PASSENGER'S SIDE AIR BAG DEPLOYED. ALSO, THE COVER OVER THE DASHBOARD DETACHED FROM THE DASHBOARD, CAUSING THE PASSENGER TO SUSTAIN CHEST INJURIES. *AK
CONSUMER WAS INVOLVED IN A CRASH AND THE PASSENGER'S SIDE AIR BAG DEPLOYED. ALSO, THE COVER OVER THE DASHBOARD DETACHED FROM THE DASHBOARD, CAUSING THE PASSENGER TO SUSTAIN CHEST INJURIES. *AK
WHILE TRAVELING 30-36 MPH VEHICLE STRUCK A DEER HEAD-ON, NEITHER DUAL AIR BAG DEPLOYED. PLEASE DESCRIBE DETAILS. *AK
DUAL AIR BAGS DID NOT DEPLOY AFTER HITTING A DUMP TRUCK WITH THE RIGHT FRONT SIDE OF THE VEHICLE AT 50MPH. *AK
Showing the 4 most serious of 132 complaints filed with NHTSA.
