1994 Buick LeSabre Service and Repair Manual

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Covers all 1994 LeSabre trims — Custom Sedan 4-Door, Limited Sedan 4-Door ·
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1994 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
No active recalls The 1994 Buick LeSabre has no recalls on file with NHTSA.
TSB #10246631

Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules

TSB #619370

OWNERS OF SOME VEHICLES EQUIPPED WITH HYDRA-MATIC 3T40, 4T60, 4T60-E OR 4T65-E TRANSAXLES MAY COMMENT ON A GRINDING AND / OR GROWLING NOISE THAT IS NOTICEABLE WHEN STANDING IN PARK ON A HILL OR SLOPE WITH THE ENGINE RUNNING AND THE PARKING

TSB #6089996

SOME VEHICLES EQUIPPED WITH HYDRA-MATIC 3T40, 4T60 OR 4T60-E TRANSXALES MAY COMMENT ON A GRINDING AND / OR GROWLING NOISE THAT IS NOTICEABLE WHEN IN PARK ON INCLINE. *TT

TSB #603085

SOME CUSTOMERS MAY COMMENT THAT THERE IS CORROSION ( RUST ) APPEARING ON THE LEFT AND /OR RIGHT ROCKER PANEL(S). *YC

TSB #602751

SOME CUSTOMERS MAY COMMENT THAT THE VEHICLE

TSB #601769

INFORMATION ON GROWLING NOISE IN TRANSAXLE DURING FIRST FOUR MINUTES AFTER START UP. *YC

TSB #601398

SOME CUSTOMERS MAY COMMENT ABOUT ON A GAP BETWEEN THE PASSENGER SUPPLEMENTAL INFLATABLE RESTRAINT (PSIR) MODULE AND THE INSTRUMENT PANEL TRIM PLATE. *YC

TSB #54328

EXPERIENCING INTERMITTENT STEERING COLUMN SNAP OR CLICK NOISE WHEN TURNING. *YC

Showing the 8 most recent of 23 technical service bulletins on file with NHTSA.

19971030Component: AIR BAGS:FRONTALCrash reportedFire reported1 injured

WHILE DRIVING 70MPH, THE VEHICLE HAD DIRECT FRONTAL COLLISION, AND BOTH DRIVER'S AND PASSENGER'S AIRBAGS DEPLOYED. BUT THE PASSENGER'S AIRBAG DEPLOYED TOO FAST, CAUSING A FIRE AND ADDITIONAL INJUR

19950803Component: AIR BAGS:FRONTALCrash reportedFire reported1 injured

PASSENGER SIDE AIRBAG EXPLODED UPON IMPACT; DRIVER SEVERELY BURNED; BOTH AIRBAGS DEPLOYED. TT

19990909Component: AIR BAGS:FRONTALCrash reported2 injured

VEHICLE WAS INVOLVED IN A FRONTAL COLLISION AT 40 MPH, AND THE AIRBAGS DID NOT DEPLOY, RESULTING IN MINOR INJURIES. *AK

19950824Component: SEATS:FRONT ASSEMBLY:HEAD RESTRAINTCrash reported2 injured

HEAD RESTRAINTS DO NOT EXTEND HIGH ENOUGH FOR TALL PERSON; 4 INCHES TOO LOW; COMES OUT BELOW EAR OF 6FT 1IN OCCUPANT; INVOLVED IN ACCIDENT CAUSING INJURY. TT

20040914Component: AIR BAGS:FRONTALCrash reported1 injured

WHILE TURNING LEFT AT A STOP SIGN ANOTHER VEHICLE COME UP THE HILL ON THE LEFT AND COLLIDED WITH CONSUMER'S VEHICLE. CONSUMER WAS WEARING SEAT BELTS, BUT, THE AIR BAGS DID NOT DEPLOY. THE POLICE DI

Showing the 5 most serious of 220 complaints filed with NHTSA.

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