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1998 Buick LeSabre Service and Repair Manual
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$29.99 USD
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Covers all 1998 LeSabre trims — Custom Sedan 4-Door, Limited Sedan 4-Door ·
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Complete repair procedures
Wiring diagrams & schematics
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1998 Buick LeSabre Service and Repair Manual
Regular price
$29.99 USD
Unit price
1998 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
Consequence
THE BACKFIRE CAN RUPTURE THE INTAKE MANIFOLD. THE RUPTURE OF THE INTAKE MANIFOLD CAN DISPLACE A FUE
Remedy
DEALERS WILL INSTALL NEW FUEL PRESSURE REGULATORS WITH IMPROVED DIAPHRAGMS. THE RECALL WILL BE CONDU
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 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 informational bulletin provides information for dealers/technicians on Procedures to Unlock Delco Radio with Theftlock.
THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPROGRAM THE MEDIA DISC PLAYER WITH THE LATEST CALIBRATIONS TO CORRECT A CONDITION OF THE REAR ENTERTAINMENT SYSTEM NOT OPERATING AS INTENDED IN COLDER AMBIENT TEMPERATURE AREAS DUE TO CALIBR
Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
INTERMITTENT CHUGGLE OR FISHBITE ON LIGHT ACCELERATION OR A HIGHWAY SPEEDS WITH NO DIAGNOSTIC TROUBLE CODES (DTCS). *TT
WIRE HARNESS MAY BE STRETCHED, OR THE PCS MAY NOT BE ORIENTED IN THE SAME POSITION, AFTER INSTALLING A SERVICE REPLACEMENT VALVE BODY ASSEMBLY. GM TECH LINK. *TT
REVISED STEERING WHEEL POSITION SENSOR OR STEERING SHAFT LOWER BEARING REPLACEMENT PROCEDURE AND STEERING WHEEL POSITION SENSOR CENTERING PROCEDURE. *EH
Showing the 8 most recent of 39 technical service bulletins on file with NHTSA.
NHTSA #: 04V090000 - I OWN A 1998 BUICK LESABRE 3.8L. ON 9/27/02 I HAD A HARD STARTING AND STALLING PROBLEM, TAKEN FOR SERVICE AT GM DEALER AND FUEL REGULATOR WAS REPLACED. IN AUGUST 2004 WAS NOTIFIE
NHTSA #: 04V090000 - I OWN A 1998 BUICK LESABRE 3.8L. ON 9/27/02 I HAD A HARD STARTING AND STALLING PROBLEM, TAKEN FOR SERVICE AT GM DEALER AND FUEL REGULATOR WAS REPLACED. IN AUGUST 2004 WAS NOTIFIE
TRAFFIC LIGHT CHANGED, BRAKE WAS APPLIED, WENT TO FLOORBOARD, NOTHING HAPPENED. BRAKES WERE PUMPED, NOTHING HAPPENED. VEHICLE STRIKES ANOTHER VEHICLE, AIRBAG DEPLOYS, AUTOMOBILE CONTINUES IN A DITCH
ON THE DATE POSTED BELOW I WAS INVOLVED IN A THREE VEHICLE ACCIDENT. I WAS AT A COMPLETE STOP ABOUT 10 FEET BEHIND A BLAZER WHEN I WAS STRUCK IN THE REAR AT APPROXIMATELY 65 MPH. WHEN I AWOKE I FOUN
VEHICLE WAS INVOLVED IN AN ACCIDENT TRAVELLING 15-20 MPH, FRONTAL IMPACT, AND NEITHER DRIVER'S OR PASSENGER'S AIRBAGS DEPLOYED. EXTENSIVE DAMAGE DONE TO VEHICLE. *AK
Showing the 5 most serious of 518 complaints filed with NHTSA.
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