2009 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
- Super Sedan 4-Door
Engines covered
- 3.9L 3880CC 237Cu. In. V6 FLEX OHV Naturally Aspirated
- 3.9L 3880CC 237Cu. 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
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
IT IS POSSIBLE FOR THE HEATED WASHER MODULE TO IGNITE AND A FIRE MAY OCCUR.
DEALERS WILL PERMANENTLY DISABLE AND REMOVE THE HEATED WASHER FLUID MODULE. AN UPDATED PAGE FOR THE
New Vehicle Monitoring Programs Section in IVH
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
This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
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.
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.
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.
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
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 330 technical service bulletins on file with NHTSA.
TAKATA RECAL.L ALL OF THE ABOVE .RIGHT REAR DOOR LOCK.KEY FOB.PERMANENT CARBON MONOZIDE POSION.SEE THE COMPLAINTS ON FILE.
TAKATA RECAL.L ALL OF THE ABOVE .RIGHT REAR DOOR LOCK.KEY FOB.PERMANENT CARBON MONOZIDE POSION.SEE THE COMPLAINTS ON FILE.
TAKATA RECAL.L ALL OF THE ABOVE .RIGHT REAR DOOR LOCK.KEY FOB.PERMANENT CARBON MONOZIDE POSION.SEE THE COMPLAINTS ON FILE.
TL* THE CONTACT OWNS A 2009 BUICK LUCERNE. THE CONTACT STATED THAT WHILE DRIVING 35 MPH IN INCLEMENT WEATHER, THE VEHICLE TRAVELED OVER A SHEET OF ICE ON AN INCLINE AND THE CONTACT SUDDENLY LOST CONTR
MY WIFE WAS STOPPED WAITING FOR A CAR TO LEAVE A PARKING SPOT. SHE HAD HER FOOT ON THE BRAKE READY TO PUT IT IN PARK. THE CAR SUDDENLY SURGED FORWARD AND SHE COULD NOT STOP IT WITH BOTH FEET ON THE BR
Showing the 5 most serious of 185 complaints filed with NHTSA.
