1993 Buick Roadmaster Service and Repair Manual

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Factory-Grade Data

1993 Buick Roadmaster 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

  • Estate Wagon Wagon 4-Door
  • Base Sedan 4-Door
  • Limited Sedan 4-Door

Engines covered

  • 5.7L 350Cu. In. V8 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

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Vehicle Safety Data

1993 Buick Roadmaster Recalls & Complaints

NHTSA #07E08800024/10/2007Component: EQUIPMENT

CERTAIN HONEYWELL FRAM RACING BRAND HP4 AND HP8 OIL FILTERS THAT WERE MANUFACTURED FROM MAY 25, 2006, THROUGH SEPTEMBER 14, 2007, AND SOLD FOR USE AS REPLACEMENT EQUIPMENT FOR VEHICLES LIST ABOVE. TH

Consequence

THIS CONDITION MAY CAUSE INADEQUATE SEALING AND LOSS OF ENGINE OIL, POSSIBLY RESULTING IN A FIRE.

Remedy

HONEYWELL WILL REPLACE THE AFFECTED OIL FILTERS FREE OF CHARGE. THE RECALL BEGAN DURING NOVEMBER 20

TSB #10246631

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

TSB #634999

DIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE. *TT 2006 AND PRIOR CARS AND LIGHT DUTY TRUCKS. *TT

TSB #52566

DOORS LOCK/UNLOCK ERRATICALLY WHEN USING REMOTE TRANSMITTER (INSTALL NEW REMOTE DOOR/REAR COMPARTMENT RECEIVER). *TW

TSB #45823

UNKNOWN

TSB #37951

WIPER CHATTER DURING COLD WEATHER. *TW

19951206Component: AIR BAGS:FRONTALCrash reported1 injured

INVOLVED IN A HEAD ON COLLISION AND THE DRIVERS SIDE AIRBAG DID NOT DEPLOY. PLEASE DESCRIBE. TT

19950522Component: AIR BAGS:FRONTALCrash reported1 injured

DRIVERS AIR BAG DID NOT DEPLOY AFTER HITTING A TREE. TT

19950510Component: AIR BAGS:FRONTALCrash reported1 injured

DURING HEAD ON COLLISION AIR BAG DID NOT DEPLOY. TT

19950407Component: AIR BAGS:FRONTALCrash reported1 injured

UPON IMPACT, DURING FRONTAL CRASH AT APPROX. 35MPH, 11:45 ON FRONT BUMPER, AIRBAG FAIL TO DEPLOY. TT

19950321Component: VEHICLE SPEED CONTROLCrash reported1 injured

SHIFTED INTO REVERSE FOR ABOUT 20 FEET VEHICLE SURGE TO FULL THROTTLE. TT

Showing the 5 most serious of 65 complaints filed with NHTSA.

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