2000 Buick LeSabre 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
- 3.8L 3800CC 231Cu. 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
ON CERTAIN PASSENGER VEHICLES EQUIPPED WITH 3800 V6 (L36) ENGINES AND CERTAIN DELPHI FUEL PRESSURE REGULATORS, THE REGULATORS HAVE A MUCH HIGHER THAN USUAL RATE OF FUEL LEAKS. A LEAK CAN ALLOW FUEL T
THE BACKFIRE CAN RUPTURE THE INTAKE MANIFOLD. THE RUPTURE OF THE INTAKE MANIFOLD CAN DISPLACE A FUE
DEALERS WILL INSTALL NEW FUEL PRESSURE REGULATORS WITH IMPROVED DIAPHRAGMS. THE RECALL WILL BE CONDU
VEHICLE DESCRIPTION: PASSENGER VEHICLES. THESE VEHICLES DO NOT CONFORM TO THE REQUIREMENTS OF FMVSS NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT." THE HEAD LAMP ADJUSTMENT DEVICE H
DRIVER VISIBILITY MAY BE IMPAIRED INCREASING THE RISK OF A CRASH.
AN INSERT CONTAINING INSTRUCTIONS FOR OPTICALLY AIMING THE HEADLAMPS WILL BE PROVIDED TO OWNERS FOR
VEHICLE DESCRIPTION: PASSENGER VEHICLES. SOME OF THESE VEHICLES HAVE INTERNAL FLUID LEAKS IN THE BRAKE HYDRAULIC CONTROL UNIT.
WHEN THE REAR BRAKE PROPORTIONING, ANTILOCK BRAKE, TRACTION CONTROL, OR STABILITY CONTROL FEATURE IS
DEALERS WILL INSPECT THE ABS HYDRAULIC MODULATOR UNIT AND IF NECESSARY, REPLACE THE HYDRAULIC MODULA
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
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
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
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
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
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
This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.
This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and resolution information.
Showing the 8 most recent of 216 technical service bulletins on file with NHTSA.
FRONTAL COLLISION WITH A UTILITY POLE AT 60 MPH IN WHICH NONE OF THE AIR BAGS DEPLOYED. DEALER AND MANUFACTURER WERE NOTIFIED. *AK THREE PEOPLE WERE INJURED IN THE ACCIDENT. *JB
2000, BUICK, LESABRE WAS HIT ON THE DRIVER'S SIDE REAR AND THE AIR BAGS DID NOT DEPLOY.*MR...CONSUMER'S VEHICLE WAS INVOLVED IN A CRASH, HIT ON DRIVER'S SIDE REAR. UPON IMPACT, DRIVER'S SIDE AIR BAG F
AIR BAGS DEPLOYED WHEN VEHICLE WENT OVER A DIP IN ROAD AT 3 TO 5 MPH, CAUSING MINOR INJURIES TO DRIVER AND PASSENGER. DEALER HAS BEEN NOTIFIED, AND WILL INSPECT VEHICLE. *AK *YH
WHILE DRIVING ABOUT 30 MPH AND CROSSING A STREET VEHICLE WAS IMPACTED ON PASSENGER'S SIDE BY ANOTHER VEHICLE. UPON IMPACT, AIR BAGS DID NOT DEPLOY. *AK MOST OF THE IMPACT OCCURED ON THE FRONT PAS
LEFT DRIVERS SIDE AIR BAG BUSTED DURING ACCIDENT. YH
Showing the 5 most serious of 849 complaints filed with NHTSA.
