2004 Buick Century Service and Repair Manual

4.7 · Trusted by 14,000+ mechanics & DIYers
Regular price $29.99 USD
  • Lightning-Fast Downloads
    Optimized files — even slow connections handle it
  • Instant Search & Navigation
    Jump to any procedure or spec with one click
  • Print One or All Pages
    Bring only the pages you need to the shop
  • Covers Every System & Component
    Every procedure for the 2004 Buick Century
Sample Preview

Unlock the Full Manual

Complete repair procedures
Wiring diagrams & schematics
Torque specifications
Full search & bookmarks
$29.99
Buy 2+ Manuals, Save 20% Discount applied automatically at checkout
20% OFF
Secure Checkout
No Subscriptions
Factory-Grade Data

2004 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

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Bancontact
  • Google Pay
  • Maestro
  • Mastercard
  • PayPal
  • Union Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Vehicle Safety Data

2004 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 #11007208

This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed fo

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

Showing the 8 most recent of 405 technical service bulletins on file with NHTSA.

20061205Component: AIR BAGSCrash reported2 injured

MY PARENT'S VEHICLE, A 2004 BUICK CENTURY, COLLIDED WITH A GUARD RAIL ON AN ENTRANCE RAMP TO I-81 IN CHRISTIANSBURG, VA. THEY WERE WEARING SEAT BELTS/SHOULDER HARNESS. MAIN IMPACT WAS FRONT LEFT BUM

20141030Component: AIR BAGSCrash reported1 injured

TL* THE CONTACT OWNS A 2004 BUICK CENTURY. THE CONTACT STATED THAT WHILE DRIVING 10 MPH, THE VEHICLE BECAME INVOLVED IN A CRASH AND THE AIR BAGS FAILED TO DEPLOY. THE CONTACT MENTIONED THAT NO WARNIN

20040629Component: AIR BAGS:FRONTALCrash reported1 injured

WHILE DRIVING 45 MPH CONSUMER'S VEHICLE WAS INVOLVED IN A HEAD ON COLLISION. UPON IMPACT, DUAL AIR BAGS DID NOT DEPLOY. DRIVER SUSTAINED BRUISES ON HER CHEST AREA. *AK

20071023Component: STEERING:LINKAGES:TIE ROD ASSEMBLYCrash reported

TL*THE CONTACT OWNS A 2004 BUICK CENTURY. WHILE DRIVING 50 MPH AND MERGING TO THE LEFT, THE VEHICLE VEERED TO THE RIGHT AND CRASHED INTO A WALL. THE MECHANIC STATED THAT THE FRONT PASSENGER SIDE TIE

20200526Component: AIR BAGS1 injured

TL* THE CONTACT OWNS A 2004 BUICK CENTURY. THE CONTACT STATED THAT WHILE HER SON WAS DRIVING AT APPROXIMATELY 35 MPH, THE AIR BAGS DEPLOYED INDEPENDENTLY WITHOUT WARNING. THE AIR BAG HIT THE CONTACT'S

Showing the 5 most serious of 51 complaints filed with NHTSA.

All Model Years

Other Years of the Buick Century

Need a manual for a different year? Browse every Buick Century we cover.

Explore More

More Buick Models

Browse service and repair manuals for other Buick models in our catalog.