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1990 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 1990 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 1990 Buick Riviera AUTOMOBILES
A/C & Cooling System Maintenance -> General Motors Corp. -> Buick Reatta & Oldsmobile Toronado & Trofeo & 1990-93 Buick Riviera
Vehicle: 1990 Buick Riviera 3.8 V6 GAS
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BRAKE SERVICE PROCEDURES FOR 1990 Buick Riviera AUTOMOBILES
DISC BRAKES, GENERAL MOTORS -> General Information -> INSPECTION OF CALIPER
Vehicle: 1990 Buick Riviera 3.8 V6 GAS
Should it become necessary to remove the caliper for installation of new parts, clean all parts in alcohol, wipe dry using lint free cloths, using an air hose to blow out drilled passages and bores. Check dust boots for punctures or tears. If punctures or tears are evident, new boots should be installed upon reassembly.
Inspect piston bores for scoring or pitting. Bores that show light scratches or corrosion can usually be cleaned with crocus cloth. However, bores that have deep scratches or scoring may be honed, provided the diameter of the...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1990 Buick Riviera 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: 1990 Buick Riviera 3.8 V6 GAS
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1990 Buick Riviera AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 1990 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 1990 Buick Riviera AUTOMOBILES
Starter, Replace
Vehicle: 1990 Buick Riviera 3.8 V6 GAS
- Disconnect battery ground cable.
- Remove righthand cooling fan.
- Remove drive belt.
- Remove A/C compressor upper support brace. Move compressor to side.
- Raise and support vehicle.
- Disconnect engine oil cooler lines at flex connector.
- Remove bolts from flywheel inspection cover and remove cover.
- Remove starter mou...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1990 Buick Riviera AUTOMOBILES
General Motors Corp./Saturn Cars -> Change Oil, Change Oil Now Or Change Oil Soon Lamp & Messages -> Except Alero, Aurora, Intrigue, Toronado & 1992-98 Eighty-Eight & Ninety-Eight
Vehicle: 1990 Buick Riviera 3.8 V6 GAS
When the engine oil life index has reached 10 or less, the Driver Information System display will indicate distance to oil change and sound a beep when ignition is turned on or to Accessory for the first time each day. When the engine oil life index has re...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1990 Buick Riviera AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 1990 Buick Riviera 3.8 V6 GAS
Lower
- Drain cooling system into a suitable container.
- Reposition hose clamp from radiator using hose clamp pliers.
- Remove radiator outlet hose from radiator.
- Reposition hose clamp from water pump housing using hose clamp pliers.
- Remove radiator outlet hose from water pump housing and from vehicle.
- Reverse procedure to i...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1990 Buick Riviera AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1990 Buick Riviera 3.8 V6 GAS
- On models equipped with airbag, disable airbag system.
- On all models, disconnect battery ground cable.
- Rotate tensioner counterclockwise using suitable tool to remove drive belt.
- Remove tensioner pulley attaching bolt, then remove pulley.
- Remove power steering pump from bracket and position aside.
- Loosen, but do not remove, alternator attaching bolts, then remove alter...
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COMPONENT LOCATION DIAGRAMS FOR 1990 Buick Riviera AUTOMOBILES
Component location diagrams for most 1990 Buick Riviera cars and light trucks sold in the U.S. from 1990+.
 Behind RH Side Of I/P Diagram for 1990 Buick Riviera 3.8 V6 GASComponents on diagram: |
 Front Of Engine Compartment Diagram for 1990 Buick Riviera 3.8 V6 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 1990 Buick Riviera AUTOMOBILES
OEM drawn wiring diagrams for most 1990 Buick Riviera cars and light trucks sold in the U.S.
 1990 Buick Riviera 3.8 V6 GAS Wiring DiagramComponents on diagram: |
 1990 Buick Riviera 3.8 V6 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1990 Buick Riviera AUTOMOBILES
OEM TSB listings for most 1990 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: 1990 Buick Riviera 3.8 V6 GAS Auto Systems: |
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Document: GM TIRE WARRANTY PROGRAM CLAIMS GOODWILL GUIDELINES - REVISED Vehicle: 1990 Buick Riviera 3.8 V6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1990 Buick Riviera AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1990 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 1990 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 1990 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 1990 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
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