1999 Buick Century 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
- Custom Sedan 4-Door
- Limited Sedan 4-Door
Engines covered
- 3.1L 189Cu. In. V6 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
VEHICLE DESCRIPTION: PASSENGER VEHICLES. THESE VEHICLES DO NOT CONFORM TO THE REQUIREMENTS OF FMVSS NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT." THE VERTICAL HEAD LAMP ADJUSTING
DRIVER VISIBILITY MAY BE IMPAIRED INCREASING THE RISK OF A CRASH.
OWNERS WILL BE PROVIDED WITH AN OWNER'S MANUAL INSERT CONTAINING INSTRUCTIONS FOR OPTICALLY AIMING T
DORMAN IS RECALLING 979 STEERING KNUCKLES, DORMAN P/NOS. 697-902 AND 697-903, SOLD UNDER DORMAN'S "OE SOLUTIONSTM" BRAND NAME, AND NAPA P/NOS. 7-8502 AND 7-8503 WHICH WERE SOLD FOR REPLACEM
A BROKEN STEERING KNUCKLE COULD RESULT IN LOSS OF STEERING CONTROL AND A POSSIBLE CRASH WITHOUT WARN
DORMAN WILL NOTIFY OWNERS AND REPLACE THE DEFECTIVE STEERING KNUCKLES FREE OF CHARGE AND REIMBURSE T
CERTAIN PASSENGER VEHICLES DO NOT CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT." SOME OF THESE VEHICLES DO NOT ME
LESS ILLUMINATION MAY REDUCE THE ABILITY OF THE DRIVER TO READ OVERHEAD SIGNS WHEN DRIVING AT NIGHT.
DEALERS WILL INSTALL NEW LOW BEAM HEADLAMP BULBS IN BOTH OF THE HEADLAMP ASSEMBLIES. THE RECALL BEG
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and
Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Some customers may comment that one or more of their vehicle's underbody components are showing some form o
Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Some customers may comment that one or more of their vehicle's underbody components are showing some form o
Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Only cosmetic refinishing of the wheel's
Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Only cosmetic refinishing of the wheel's
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and
Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
Showing the 8 most recent of 86 technical service bulletins on file with NHTSA.
DT: 1999 BUICK CENTURY LIMITED, WHEN CONSUMER'S VEHICLE WAS INVOLVED IN A HEAD ON COLLISION THE AIR BAGS ON BOTH THE FRONT DRIVER'S SIDE AND PASSENGER SIDE DID NOT DEPLOY. *AK
I PULLED INTO A PARKING SPACE ON A SLIGHT INCLINE AND WAS JUST RELEASING THE BRAKE PEDAL TO MOVE FORWARD WHEN THE CAR LUNGED VIOLENTLY FORWARD AS IF THE GAS PEDAL WAS TO THE FLOOR. THERE WAS NOT ENOU
CONSUMER HIT A POLE ON THE DRIVERS SIDE OF THE VEHICLE, AND THE DRIVER'S SIDE AIR BAG DID NOT DEPLOY, TWO INJURIES DUE TO ACCIDENT. *JB
CONSUMER'S VEHICLE REAR ENDED ANOTHER VEHICLE AT 45 MPH, AND NONE OF FRONTAL AIRBAGS DEPLOYED.*AK THE DRIVER AND THE PASSENGER WERE INJURED DURING THE ACCIDENT. *YH
AIR BAGS DID NOT DEPLOY WHEN CAR HIT AND SHEARED OFF A TELEPHONE POLE. CAR WAS TOTALED WITH FRONT BUMPER AND CROSS MEMBER PUSHED BACK TO THE ENGINE BLOCK. *AK
Showing the 5 most serious of 287 complaints filed with NHTSA.
