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
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
VEHICLE FIRES CAN OCCUR DUE TO THE SPILLAGE OF TRANSMISSION FLUID.
DEALERS WILL REPLACE THE TRANSMISSION OIL COOLER LINES.
Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
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
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
SOME CUSTOMERS MAY COMMENT THAT THERE IS CORROSION ( RUST ) APPEARING ON THE LEFT AND /OR RIGHT ROCKER PANEL(S). *YC
SOME CUSTOMERS MAY COMMENT THAT THE VEHICLE
INFORMATION ON GROWLING NOISE IN TRANSAXLE DURING FIRST FOUR MINUTES AFTER START UP. *YC
COMMENTS ON INOPERATIVE POWER DOOR LOCKS (FRONT AND/OR REAR DOORS).
EXCESSIVE VIBRATION OF ELECTROCHROMIC INSIDE REARVIEW MIRROR. *TW
Showing the 8 most recent of 19 technical service bulletins on file with NHTSA.
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
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
WHILE DRIVING VEHICLE ACCELERATED OUT OF CONTROL, CAUSING IT TO HIT A TREE. DRIVER SUSTAINED INJURIES. *AK
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
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.
