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1992 Buick Roadmaster CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Buick REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Starter & Alternator Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1992 Buick Roadmaster car and truck
repair procedures including Buick engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work
guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up &
drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install
procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c
system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix
your Buick Roadmaster automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 1992 Buick Roadmaster AUTOMOBILES
General Service Domestic Vehicles -> 1992-93 -> Precautions -> Cleanliness -> General Service -> R-12 Systems -> R-134a Systems -> Safety
Vehicle: 1992 Buick Roadmaster Limited 5.7 V8 GAS
Safety
R-12 Systems
The Freon refrigerant used in car air conditioners is also known as R-12. It is colorless and odorless both as a gas and a liquid. Since it boils (vaporizes) at -21.7°F, it will usually be in a vapor state when being handled in a repair shop. But if a portion of the liquid coolant should come in contact with the hands or face, note that its temperature momentarily will be at least 22° below zero.
Protective goggles should be worn when opening any refrigerant lines. If liquid coolant does touch the eyes, bathe the eyes quickly in cold water. ...
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BRAKE SERVICE PROCEDURES FOR 1992 Buick Roadmaster AUTOMOBILES
Power Brake Units -> Description -> AC-DELCO SINGLE DIAPHRAGM TYPE -> AC-DELCO TANDEM DIAPHRAGM TYPE -> BCIA SINGLE & TANDEM DIAPHRAGM TYPE
Vehicle: 1992 Buick Roadmaster Estate 5.7 V8 GAS
AC-DELCO TANDEM DIAPHRAGM TYPE
This unit utilizes a vacuum power chamber, consisting of a front and rear shell, housing divider, front and rear diaphragm, plate assemblies, hydraulic pushrod and a diaphragm return spring, Figs. and .
The unit operates in much the same manner as the single diaphragm unit described previously. The diaphragm and plate assemblies utilize the pressure differential between the engine intake manifold vacuum and atmospheric pressure to assist in braking.
AC-DELCO SINGLE DIAPHRAGM TYPE
The AC-Delco power booster assembly, Fig. is located along the bulkhead in ...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1992 Buick Roadmaster AUTOMOBILES
General Motors Corp./Saturn Passenger Cars -> Fuel Filter Scheduled Maintenance -> 1980-06 Gasoline Engine Models Except Catera, LeMans (1988-93) Metro, Nova (1985-88), Saturn & Sprint -> Normal Service -> Severe Service
Vehicle: 1992 Buick Roadmaster Limited 5.7 V8 GAS
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1992 Buick Roadmaster AUTOMOBILES
DRIVESHAFT, Replace
Vehicle: 1992 Buick Roadmaster Estate 5.7 V8 GAS
- Raise and support vehicle.
- Mark position of shaft in relation to pinion flange for reassembly.
- Remove straps securing universal joint to pinion flange, then disconnect shaft from flange. Tape bearing cups to universal joint to prevent loss of ne...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1992 Buick Roadmaster AUTOMOBILES
Starter, Replace
Vehicle: 1992 Buick Roadmaster Estate 5.7 V8 GAS
If shims are used between starter and engine block, they should be placed in their original location during installation.
- Disconnect battery ground cable.
- Raise and support vehicle.
- Remove starter to engine brace and starter he...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1992 Buick Roadmaster AUTOMOBILES
General Motors Corp./Saturn Cars -> Check Engine Or Service Now Soon Engine Indicator Lamps (Gasoline Engines w/Electronic Engine Controls Or EFI) -> Except LeMans, Metro, Prizm, Storm & Vibe
Vehicle: 1992 Buick Roadmaster Limited 5.7 V8 GAS
The Check Engine lamp should light when the ignition is turned On. When the engine is started, the lamp should go off. If the lamp remains on for 10 seconds or constantly after the engine is started, the self diagnosis system has detected a fault condition and has stored a code in the system Electronic Control Module (ECM) or Powertrain Control Module (PCM). After diagnosis and repair, the ECM memory can be cleared of codes as follows:
On models except Cadillac with DEFI, remove the ECM/PCM fuse or disconnect the battery ground cable for approximately 30...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1992 Buick Roadmaster AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 1992 Buick Roadmaster 5.7 V8 GAS
Inlet
- Drain cooling system into a suitable container.
- Reposition heater hose inlet clamp at hot water bypass valve using hose clamp pliers.
- Remove heater inlet hose from hot water bypass valve.
- Reposition heater core inlet hose clamp at heater pipe hose clamp pliers.
- Remove hose from vehicle.
- Reverse proce...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1992 Buick Roadmaster AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1992 Buick Roadmaster 5.7 V8 GAS
Unless directed otherwise, ignition and start switch must be in OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to ...
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COMPONENT LOCATION DIAGRAMS FOR 1992 Buick Roadmaster AUTOMOBILES
Component location diagrams for most 1992 Buick Roadmaster cars and light trucks sold in the U.S. from 1990+.
 Rear Underbody Diagram for 1992 Buick Roadmaster Estate 5.7 V8 GASComponents on diagram: |
 Bottom View Of Rear Shelf Diagram for 1992 Buick Roadmaster 5.7 V8 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 1992 Buick Roadmaster AUTOMOBILES
OEM drawn wiring diagrams for most 1992 Buick Roadmaster cars and light trucks sold in the U.S.
 1992 Buick Roadmaster 5.7 V8 GAS Wiring DiagramComponents on diagram: |
 1992 Buick Roadmaster Estate 5.7 V8 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1992 Buick Roadmaster AUTOMOBILES
OEM TSB listings for most 1992 Buick Roadmaster cars and light trucks sold in the U.S. from 1985+.
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Document: Car and Truck Fix It Right the First Time Issues Vehicle: 1992 Buick Roadmaster 5.7 V8 GAS Auto Systems: |
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Document: GM TIRE WARRANTY PROGRAM CLAIMS GOODWILL GUIDELINES - REVISED Vehicle: 1992 Buick Roadmaster 5.7 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1992 Buick Roadmaster AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1992 Buick Roadmaster cars and light trucks sold in the U.S. and Canada from 1970+.
- Brake caliper mounting bolt torque
- Brake drum runout, machining, & discard specs
- Minimum brake lining thickness.
- Brake rotor runout, parallelism, machining, discard, & finish specs
A/C SYSTEM SPECIFICATIONS: Air conditioning refrigerant capacity and type as well as lubricant capacity for most 1992 Buick Roadmaster cars and light trucks sold in the U.S. and Canada from 1980+.
- Refrigerant capacity & type, compressor oil viscosity, total system oil capacity & compressor clutch gap
COOLING SYSTEM BLEED: Cooling system bleeder valve identification, bleeder type and bleed procedures for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1986+.
PREVENTIVE MAINTENANCE: Preventive maintenance recommendations and required services for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1980+. Includes severe and routine service schedules
QUICK-LUBE and ILLUSTRATIONS: Fluid recommendations, capacities, drain plug torques, tire data, and severe service recommended preventive maintenance schedules. Information covers most 1992 Buick Roadmaster cars and light trucks sold in the U.S. and Canada from 1980+. Engine and chassis service images.
- Automatic transmission/transaxles capacities, lubricant recommendations
- Differential/final drive capacities, lube recommendations, grades, & viscosities
- Final drive fill & drain plug torques
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Manual transmission/transaxle capacities, lube recommendations, grades, & viscosities
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Engine oil capacities, API grade recommendations, SAE viscosity recommendations, drain plug torque
- Severe service maintenance & interval recommendations
- Tire sizes, wheel nut/bolt torque, pressures & rim sizes
- Transfer case capacities, lube recommendations, grades, & viscosities
TUNE-UP & DRIVEABILITY SPECIFICATIONS: Most tune-up specifications for most 1992 Buick Roadmaster cars and light trucks sold in the U.S. and Canada from 1980+
- Airflow sensor electrical specifications
- Tensioning specifications for systems with automatic tensioners
- Barometric pressure sensor specs
- Battery group number and cranking performance
- Crankshaft & camshaft position sensor resistance
- Engine compression pressures
- Coolant temperature sensor specs
- Computer advance.
- Diesel fuel temperature sensor resistance.
- Distributor advance specifications
- Ignition pickup coil resistance
- Exhaust gas recirculation temperature sensor resistance
- Engine fastener torque values
- Firing order diagrams
- Fuel system pressures
- Generator (alternator) specs
- Intake air temperature sensor specs
- Ignition coil specifications
- Fuel injector resistance
- Engine idle speeds
- Knock sensor resistance
- Manifold absolute pressure sensor specs
- Mixture control solenoid resistance
- Voltage regulator specs
- Spark plug applications & gaps
- Starter motor electrical specs.
- Tensioning specifications for systems without automatic tensioners
- Throttle body temperature sensor resistance
- Ignition timing in degrees at rpm
- Transmission oil temperature sensor resistance
- Throttle position sensor specs
- Vacuum sensor valve specs
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