1994 Pontiac Bonneville 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.
Designed for technicians and DIY owners, this manual helps you diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Electrical diagnostics with wiring diagrams
- Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more
Trims covered
- SSE Sedan 4-Door
- SE Sedan 4-Door
- SSEi Sedan 4-Door
Engines covered
- 3.8L 3800CC 231Cu. In. V6 GAS OHV Naturally Aspirated
- 3.8L 3800CC 231Cu. In. V6 GAS OHV Supercharged
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
This informational bulletin provides information for dealers/technicians on Procedures to Unlock Delco Radio with Theftlock.
Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
OWNERS OF SOME VEHICLES EQUIPPED WITH HYDRA-MATIC 3T40, 4T60, 4T60-E OR 4T65-E TRANSAXLES MAY COMMENT ON A GRINDING AND / OR GROWLING NOISE THAT IS NOTICEABLE WHEN STANDING IN PARK ON A HILL OR SLOPE WITH THE ENGINE RUNNING AND THE PARKING
SOME VEHICLES EQUIPPED WITH HYDRA-MATIC 3T40, 4T60 OR 4T60-E TRANSXALES MAY COMMENT ON A GRINDING AND / OR GROWLING NOISE THAT IS NOTICEABLE WHEN IN PARK ON INCLINE. *TT
SOME CUSTOMERS MAY COMMENT THAT THERE IS CORROSION ( RUST ) APPEARING ON THE LEFT AND /OR RIGHT ROCKER PANEL(S). *YC
CONCERNS OF DOOR HANDLES ON WHITE PAINTED VEHICLES TRUNING YELLOW. *YC
SOME CUSTOMERS MAY COMMENT THAT THE VEHICLE
EXPERIENCING INTERMITTENT STEERING COLUMN SNAP OR CLICK NOISE WHEN TURNING. *YC
Showing the 8 most recent of 27 technical service bulletins on file with NHTSA.
RIGHT REAR SEAT BELT BUCKLE RIPPED OUT OF BELT DURING HEAD ON IMPACT RESULTING IN INTERNAL INJURIES TO THE REAR PASSENGER. *AK
NO DEPLOYMENT OF PASSENGER AND DRIVER SIDE AIR BAGS DDURING VEHICLE COLLISION CAUSED INJURY TO DRIVER(NECK, LOWER BACK, RIGHT SHOULDER, RIGHT ELBOW).
OWNER STATES THAT SHE WAS IN ACCIDENT, SHE HIT A DEER AND BOTH DRIVER'S AND PASSENGER'S SIDE AIRBAGS WENT OFF, CAUSING SEVERE BURNS TO DRIVER. *AK
WAS IN AN ACCIDENT AND BOTH AIR BAGS DEPLOYED, DRIVER BROKE ARM IN FOUR PLACES. *AK CONSUMER STATES SHE WAS HIT IN THE FOWARD PART OF THE REAR DOOR ON DRIVER'S SIDE WHILE IN THE PROCESS OF TURNING
WAS IN AN ACCIDENT AND BOTH AIR BAGS DEPLOYED, DRIVER BROKE ARM IN FOUR PLACES. *AK CONSUMER STATES SHE WAS HIT IN THE FOWARD PART OF THE REAR DOOR ON DRIVER'S SIDE WHILE IN THE PROCESS OF TURNING
Showing the 5 most serious of 123 complaints filed with NHTSA.
