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1991 Buick Riviera CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Buick REPAIR SHOPS DON'T WANT YOU TO KNOW
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- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- 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 1991 Buick Riviera 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 Riviera automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 1991 Buick Riviera AUTOMOBILES
A/C & Cooling System Maintenance -> General Motors Corp. -> Buick Reatta & Oldsmobile Toronado & Trofeo & 1990-93 Buick Riviera
Vehicle: 1991 Buick Riviera 3.8 V6 GAS
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BRAKE SERVICE PROCEDURES FOR 1991 Buick Riviera AUTOMOBILES
ANTI-LOCK BRAKES, GENERAL MOTORS -> 1991 Caprice, Custom Cruiser, Eldorado, Reatta, Riviera, Roadmaster, Seville, Toronado & Trofeo (Bosch 2 U Type) -> SYSTEM SERVICE -> Caprice, Custom Cruiser & Roadmaster -> Caprice, Customer Cruiser & Roadmaster. -> Eldorado, Reatta, Riviera, SeVille, Toronado & Trofeo -> ELECTRONIC BRAKE CONTROL MODULE (EBCM), REPLACE -> HYDRAULIC MODULATOR VALVE, REPLACE -> LEFT FRONT WHEEL SPEED SENSOR, REPLACE -> OVERVOLTAGE PROTECTION RELAY (OVP), REPLACE -> Rear axle speed sensor, replace -> REAR WHEEL SPEED SENSOR, REPLACE -> RIGHT FRONT WHEEL SPEED SENSOR, REPLACE -> SERVICE PRECAUTIONS -> SOLENOID VALVE RELAY & PUMP MOTOR RELAY
Vehicle: 1991 Buick Riviera 3.8 V6 GAS
SERVICE PRECAUTIONS
Before performing any repairs on the ABS system, note the following precautions:
- If any welding work is to be done on the vehicle using an arc welder, the EBCM and hydraulic modulator connectors should be disconnected.
- Hydraulic modulator and EBCM connectors should never be disconnected when the ignition switch is on.
- Do not use a fast charger to charge battery when battery is connected. Always disconnect battery from system before using a fast charger. Never disconnect battery from system with engine running.
- Always note routing, position and mounting of electrica...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1991 Buick Riviera AUTOMOBILES
General Motors Corp./Saturn Passenger Cars -> Component Locations -> Reatta, Riviera (1983-93), Allante, Eldorado (1986-02), Seville (1986-97) & Toronado (1986-92) & Trofeo
Vehicle: 1991 Buick Riviera 3.8 V6 GAS
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1991 Buick Riviera AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 1991 Buick Riviera 3.8 V6 GAS
- Raise and support vehicle, then remove tire and wheel assembly.
- Remove brake caliper from steering knuckle and suspend caliper assembly.
- Remove four bolts holding hub/bearing assembly to knuckle.
- On vehicles equipped with Anti-Lock Brake System (ABS), remove ABS sensor mounting bolt, then position sensor aside to avoid damage.
- On vehicles equipped with 125C and HM-282 transaxles and right shaft of vehicles with 440-T4 transaxles, separate drive axle from transaxle using axle shaft remover tool No....
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1991 Buick Riviera AUTOMOBILES
Alternator, Replace
Vehicle: 1991 Buick Riviera 3.8 V6 GAS
- Disconnect battery ground cable.
- Remove drive belt.
- Remove alternator mounting bolts.
- Disconnect connector from alternator.
- Remove nut and B+ terminal from alternator.
- Remove altern...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1991 Buick Riviera AUTOMOBILES
General Motors Corp./Saturn Cars -> Check Gauge Warning Lamp ->
Vehicle: 1991 Buick Riviera 3.8 V6 GAS
The Check Gauge warning lamp will light to warn the driver to inspect the oil pressure gauge, engine coolant temperature ga...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1991 Buick Riviera AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 1991 Buick Riviera 3.8 V6 GAS
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SERPENTINE BELT SERVICE PROCEDURES FOR 1991 Buick Riviera AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1991 Buick Riviera 3.8 V6 GAS
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COMPONENT LOCATION DIAGRAMS FOR 1991 Buick Riviera AUTOMOBILES
Component location diagrams for most 1991 Buick Riviera cars and light trucks sold in the U.S. from 1990+.
 Behind LH Side Of I/P Diagram for 1991 Buick Riviera 3.8 V6 GASComponents on diagram: |
 LH Front Of Console Diagram for 1991 Buick Riviera 3.8 V6 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 1991 Buick Riviera AUTOMOBILES
OEM drawn wiring diagrams for most 1991 Buick Riviera cars and light trucks sold in the U.S.
 1991 Buick Riviera 3.8 V6 GAS Wiring DiagramComponents on diagram: |
 1991 Buick Riviera 3.8 V6 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1991 Buick Riviera AUTOMOBILES
OEM TSB listings for most 1991 Buick Riviera 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: 1991 Buick Riviera 3.8 V6 GAS Auto Systems: |
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Document: GM TIRE WARRANTY PROGRAM CLAIMS GOODWILL GUIDELINES - REVISED Vehicle: 1991 Buick Riviera 3.8 V6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1991 Buick Riviera AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1991 Buick Riviera 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 1991 Buick Riviera 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 1991 Buick Riviera 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 1991 Buick Riviera 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
CLICK HERE TO GET FULL ACCESS TO 1991 Buick Riviera SPECIFICATIONS DATA!
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