2008 Buick Lucerne Service and Repair Manual

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Factory-Grade Data

2008 Buick Lucerne 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

  • CXL Sedan 4-Door
  • CX Sedan 4-Door
  • CXS Sedan 4-Door
  • Super Sedan 4-Door

Engines covered

  • 3.8L 3800CC 231Cu. In. V6 GAS OHV Naturally Aspirated
  • 4.6L 281Cu. In. V8 GAS DOHC 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

2008 Buick Lucerne Recalls & Complaints

NHTSA #08V44100028/08/2008Component: ELECTRICAL SYSTEM

GM IS RECALLING 857,735 MY 2006-2008 BUICK LUCERNE; CADILLAC DTS; HUMMER H2; MY 2007-2008 CADILLAC ESCALADE, ESCALADE ESV, ESCALADE EXT; CHEVROLET AVALANCHE, SILVERADO, SUBURBAN, TAHOE; GMC ACADIA, SI

Consequence

THIS MAY CAUSE OTHER ELECTRICAL FEATURES TO MALFUNCTION, CREATE AN ODOR, OR CAUSE SMOKE INCREASING T

Remedy

DEALERS WILL INSTALL A WIRE HARNESS WITH AN IN-LINE FUSE FREE OF CHARGE. THE RECALL BEGAN ON SEPTEM

NHTSA #10V24000004/06/2010Component: ELECTRICAL SYSTEM

GM IS RECALLING CERTAIN MODEL YEAR 2006-2009 BUICK, LUCERNE; CADILLAC DTS; HUMMER H2; MODEL YEAR 2008-2009 BUICK ENCLAVE; CADILLAC CTS; MODEL YEAR 2007-2009 CADILLAC ESCALADE, ESCALADE ESV, ESCALADE E

Consequence

IT IS POSSIBLE FOR THE HEATED WASHER MODULE TO IGNITE AND A FIRE MAY OCCUR.

Remedy

DEALERS WILL PERMANENTLY DISABLE AND REMOVE THE HEATED WASHER FLUID MODULE. AN UPDATED PAGE FOR THE

TSB #11023091

New Vehicle Monitoring Programs Section in IVH

TSB #11021792

This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble

TSB #11020816

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

TSB #11019074

This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.

TSB #11019073

This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.

TSB #11019072

This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.

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 #11011782

This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking

Showing the 8 most recent of 906 technical service bulletins on file with NHTSA.

20141001Component: STEERINGCrash reported1 injured

2008 BUICK LUCERNE. CONSUMER WRITES IN REGARDS TO POWER STEERING AND BRAKE FAILURE, THAT WAS A CONSTANT ISSUE. *TGW THE CONSUMER WAS INVOLVED IN AN ACCIDENT, WHERE THE STEERING AND BRAKES FAILED. *JB

20141001Component: SERVICE BRAKES, HYDRAULICCrash reported1 injured

2008 BUICK LUCERNE. CONSUMER WRITES IN REGARDS TO POWER STEERING AND BRAKE FAILURE, THAT WAS A CONSTANT ISSUE. *TGW THE CONSUMER WAS INVOLVED IN AN ACCIDENT, WHERE THE STEERING AND BRAKES FAILED. *JB

20140910Component: ELECTRICAL SYSTEM:IGNITION:SWITCHCrash reported1 injured

TL* THE CONTACT OWNS A 2008 BUICK LUCERNE. WHILE DRIVING APPROXIMATELY 30 MPH AND CHANGING LANES, ANOTHER VEHICLE CRASHED INTO THE DRIVER SIDE OF THE CONTACT'S VEHICLE. THE SIDE AIR BAGS FAILED TO DEP

20140910Component: AIR BAGSCrash reported1 injured

TL* THE CONTACT OWNS A 2008 BUICK LUCERNE. WHILE DRIVING APPROXIMATELY 30 MPH AND CHANGING LANES, ANOTHER VEHICLE CRASHED INTO THE DRIVER SIDE OF THE CONTACT'S VEHICLE. THE SIDE AIR BAGS FAILED TO DEP

20140701Component: AIR BAGSCrash reported1 injured

I RAN OFF ROAD AND HIT A TREE. NOTED WHITE SMOKE BUT AIRBAG DID NOT DEPLOY. SEAT BELT IN USE. ONLY MINOR INJURIES. INSURANCE COMPANY TOTALED CAR. REPORTED INCIDENT TO GM. THEY REPLIED WITH PHONE NUMBE

Showing the 5 most serious of 320 complaints filed with NHTSA.

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