1993 Buick LeSabre Service and Repair Manual

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Covers all 1993 LeSabre trims — Custom Sedan 4-Door, Limited Sedan 4-Door ·
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1993 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
NHTSA #96V01500023/01/1996Component: POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES

VEHICLE DESCRIPTION: PASSENGER VEHICLES MANUFACTURED FROM AUGUST 1991 THROUGH JULY 1995. THE TRANSMISSION OIL COOLER LINE CAN SEPARATE WHEN THE VEHICLE IS OPERATED IN LOW TEMPERATURES IN COMBINATIO

Consequence

VEHICLE FIRES CAN OCCUR DUE TO THE SPILLAGE OF TRANSMISSION FLUID.

Remedy

DEALERS WILL REPLACE THE TRANSMISSION OIL COOLER LINES.

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 #54065

COMMENTS ON INOPERATIVE POWER DOOR LOCKS (FRONT AND/OR REAR DOORS).

TSB #52564

EXCESSIVE VIBRATION OF ELECTROCHROMIC INSIDE REARVIEW MIRROR. *TW

Showing the 8 most recent of 19 technical service bulletins on file with NHTSA.

20040429Component: AIR BAGSCrash reported1 injured

CONSUMER WAS MAKING A LEFT HAND TURN WHEN ANOTHER VEHICLE TRAVELING AT 40 MPH HIT CONSUMER'S VEHICLE AND BUMPED IT INTO ANOTHER VEHICLE. DRIVER SUSTAINED INJURIES. CONSUMER INDICATED THAT THERE WAS

20040113Component: AIR BAGSCrash reported1 injured

WHILE DRIVING VEHICLE WAS INVOLVED IN A COLLISION, AND AIR BAGS DID NOT DEPLOY. *AK THE FULL IMPACT WAS ABSORBED BY THE SEATBELT. CONSUMER SUSTAINED SEVERE NERVE INJURIES TO LOWER BACK, HIPS AND

19990511Component: VEHICLE SPEED CONTROL:LINKAGESCrash reported1 injured

WHILE DRIVING VEHICLE ACCELERATED OUT OF CONTROL, CAUSING IT TO HIT A TREE. DRIVER SUSTAINED INJURIES. *AK

19961111Component: SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITEDCrash reported1 injured

DRIVING AT SPEED 0F 30MPH, APPLIED ABS BRAKES, COMPLETE LOSS OF BRAKE AFFECTIVENESS, VEHICLE LOST CONTROL, RESULTIN GIN AN ACCIDENT/INJURY, IMPACT 12:00 POSITION. *AK

19960307Component: AIR BAGS:FRONTALCrash reported1 injured

UPON IMPACT, DURING FRONTAL CRASH, AT APPROX. 40MPH, 12:00 ON FRONT BUMPER, AIRBAG FAIL TO DEPLOY. *AK

Showing the 5 most serious of 264 complaints filed with NHTSA.

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