1992 Buick Roadmaster Service and Repair Manual

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Covers all 1992 Roadmaster trims — Estate Wagon Wagon 4-Door, Base Sedan 4-Door, Limited Sedan 4-Door ·
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1992 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
NHTSA #91V18600029/10/1991Component: LATCHES/LOCKS/LINKAGES:HOOD:LATCH

SECONDARY HOOD LATCH ASSEMBLIES CAN CORRODE, CAUSING A HIGH LATCH RELEASE EFFORT AND POSSIBLY PREVENTING THE HOOD FROM LATCHING PROPERLY WHEN IT IS CLOSED.

Consequence

IF THE SECONDARY HOOD LATCH IS NOT PROPERLY ENGAGED, ANDTHE PRIMARY HOOD LATCH WAS ALSO NOT ENGAGED,

Remedy

INSTALL A NEW SECONDARY HOOD LATCH ASSEMBLY.

NHTSA #97V21700024/11/1997Component: SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED

VEHICLE DESCRIPTION: PASSENGER VEHICLES. THE ANTILOCK BRAKE SYSTEM (ABS) MODULATOR CAN CORRODE AND LEAK FLUID FROM THE FRONT BRAKE CIRCUIT.

Consequence

BRAKE FLUID LEAKAGE CAN REDUCE BRAKE EFFECTIVENESS AND INCREASE STOPPING DISTANCES.

Remedy

DEALERS WILL INSPECT THESE VEHICLES AND REPLACE THE ABS MODULATOR.

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

NHTSA #92V09400001/07/1992Component: SEAT BELTS

THE SHOULDER BELT GUIDE LOOP PLASTIC COVERING MAY CRACK AND EXPOSE THE STEEL SUB-PLATE.

Consequence

IN THE EVENT OF A VEHICLE CRASH, THE EXPOSED STEELSUB-PLATE CAN CUT THE SAFETY BELT WEBBING RESULTIN

Remedy

INSTALL NEW SHOULDER BELT GUIDE LOOPS.

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

20000816Component: AIR BAGS:FRONTALCrash reported4 injured

WHILE TRAVELING AT 60 MPH TREAD SEPERATION OCCURRED ON NEW MICHELIN TIRES PUT ON 7 DAYS BEFORE, CAUSING A 3 VEHICLE NEAR FATAL ACCIDENT. NO DEPLOYMENT OF AIRBAGS DURING COLLISION. ALL KINDS OF VEHIC

20000816Component: TIRES:TREAD/BELTCrash reported4 injured

WHILE TRAVELING AT 60 MPH TREAD SEPERATION OCCURRED ON NEW MICHELIN TIRES PUT ON 7 DAYS BEFORE, CAUSING A 3 VEHICLE NEAR FATAL ACCIDENT. NO DEPLOYMENT OF AIRBAGS DURING COLLISION. ALL KINDS OF VEHIC

19950603Component: AIR BAGS:FRONTALCrash reported3 injured

DRIVER'S SIDE AIRBAG DID NOT DEPLOY DURING FRONT END COLLISION; BROADSIDED ANOTHER VEHICLE DURING THREE CAR COLLISION. TT

19970422Component: AIR BAGS:FRONTALCrash reported2 injured

IN AN ACCIDENT AT 30-35MPH AT 12:00 POSITION, THE DRIVER'S SIDE AIRBAG DID NOT DEPLOY AND DRIVER RECEIVED SERIOUS INJURIES. *AK

19970212Component: SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITEDCrash reported2 injured

ABS BRAKE FAILURE, LOSS OF BRAKE EFFECTIVENESS, EXTENDED STOPPING DISTANCE, RESULTING IN AN ACCIDENT, IMPACT 12:00, POSITION, SPEED 45MPH. *AK

Showing the 5 most serious of 105 complaints filed with NHTSA.

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