2002 Buick Century Service and Repair Manual

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Factory-Grade Data

2002 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

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Vehicle Safety Data

2002 Buick Century Recalls & Complaints

NHTSA #09E00500017/02/2009Component: STEERING

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

Consequence

A BROKEN STEERING KNUCKLE COULD RESULT IN LOSS OF STEERING CONTROL AND A POSSIBLE CRASH WITHOUT WARN

Remedy

DORMAN WILL NOTIFY OWNERS AND REPLACE THE DEFECTIVE STEERING KNUCKLES FREE OF CHARGE AND REIMBURSE T

TSB #11020816

This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.

TSB #11014455

This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or take a video of the

TSB #11009156

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

TSB #11007744

This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have hi

TSB #11007743

This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have hi

TSB #11006621

Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to updating affected mo

TSB #11006421

GM is receiving damaged (cracked or broken) transmission cores returned to the reman facilities. The damage is being caused either in the removal process by the technician, or inadequate packaging or shipping. This bulletin advises the deal

TSB #11004761

This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should

Showing the 8 most recent of 386 technical service bulletins on file with NHTSA.

20181128Component: AIR BAGSCrash reported4 injured

TL* THE CONTACT OWNED A 2002 BUICK CENTURY. WHILE THE CONTACT'S VEHICLE WAS STATIONARY, IT WAS REAR ENDED BY ANOTHER VEHICLE. AS A RESULT, THE CONTACT REAR ENDED THE PRECEDING VEHICLE. THE AIR BAGS DI

20060609Component: AIR BAGS:FRONTALCrash reported2 injured

DT*: THE CONTACT STATED WHILE DRIVING 50 MPH AND APPROACHING A CROSSROADS ANOTHER VEHICLE RAN A STOP SIGN AND WAS HIT BY THE CONTACT. THIS WAS A FULL FRONTAL IMPACT. THE AIR BAGS DID NOT DEPLOY. A

20091001Component: AIR BAGSCrash reported1 injured

LOST CONTROL OF THE CAR ON A WET ROAD AND HIT A TREE. TOTALED CAR WITH MOST OF THE DAMAGE AND IMPACT BEING THE FRONT OF THE CAR. THE PROBLEM IS NEITHER OF THE AIR BAGS DEPLOYED TO PREVENT STERNUM AND

20030902Component: AIR BAGS:FRONTALCrash reported1 injured

VEHICLE AIR BAGS DID NOT DEPLOY UPON IMPACT.*MR AS A RESULT OF THE AIR BAGS NOT DEPLOYING, THE CONSUMER WAS HURT IN THE ACCIDENT. ENCLOSED IS A PICTURE SHOWING DAMAGES TO THE VEHICLE. THE CONSUMER I

20030203Component: AIR BAGS:SIDE/WINDOWCrash reported1 injured

THE DRIVER'S SIDE DOOR WAS SEVERELY IMPACTED BUT THE SIDE IMPACT AIR BAG DID NOT DEPLOY. THE DRIVER HAD A CONCUSSION AND SUSTAINED HEAD INJURIES WHICH REQUIRED 8 STICHES. *NLM

Showing the 5 most serious of 204 complaints filed with NHTSA.

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