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1990 Hyundai Sonata CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Hyundai 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 Hyundai Sonata car and truck
repair procedures including Hyundai 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 Hyundai Sonata automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 1990 Hyundai Sonata AUTOMOBILES
A/C & Cooling System Maintenance -> Hyundai -> 1990-2002 Sonata
Vehicle: 1990 Hyundai Sonata GL 3.0 V6 GAS
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BRAKE SERVICE PROCEDURES FOR 1990 Hyundai Sonata AUTOMOBILES
HYUNDAI, ANTI-LOCK BRAKES -> DIAGNOSIS & TESTING -> BASIC DIAGNOSIS -> DESCRIPTION -> DIAGNOSIS USING SELF-DIAGNOSTIC MODE -> INITIAL CHECK -> SYSTEM CIRCUIT INSPECTION
Vehicle: 1990 Hyundai Sonata GL 3.0 V6 GAS
DESCRIPTION
If a malfunction occurs, the diagnostic system will identify the problem and the ECU will store the codes. At the same time, the system informs the driver of a malfunction with the ABS warning lamp.
INITIAL CHECK
Start engine and drive at a speed of 3-6 mph, then verify that the modulator is operating by listening for motor pump hum and solenoid clicking for 1 or 2 seconds. Procedure should be performed within first three minutes after start up. Solenoid valve and motor pump cycling takes place between 3 and 6 mph, as long as brake is not applied.
BASIC DIAGNOSIS
- Chec...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1990 Hyundai Sonata AUTOMOBILES
Hyundai -> Fuel Filter Scheduled Maintenance -> 1990-06 Excel & Sonata -> Normal Service -> Severe Service
Vehicle: 1990 Hyundai Sonata GL 3.0 V6 GAS
Normal Service
Replace every 5...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1990 Hyundai Sonata AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 1990 Hyundai Sonata GLS 3.0 V6 GAS
- Raise and support vehicle, then remove front wheel.
- Remove nut from tie rod end.
- Using tie rod end puller tool No. 09568-31000, or equivalent, disconnect tie rod end from knuckle.
- Remove nut from lower control arm ball joint stud.
- Disconnect lower control arm ball joint from knuckle using tie rod end puller tool No. 09568-31000, or equivalent.
- Remove driveshaft nut from hub.
- Using axle shaft puller tool No. 09526-11001, or equivalent, remove driveshaft from hub.
- Insert suitable pry bar...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1990 Hyundai Sonata AUTOMOBILES
Alternator, Replace
Vehicle: 1990 Hyundai Sonata GL 3.0 V6 GAS
- Disconnect battery ground cable at battery.
- Remove radiator mounting bolt.
- Disconnect reservoir hose and fan motor connectors.
- Raise and support vehicle.
- Remove lefthand mud guard.
- Disconnect connector pin of oil pressure switch.
- Loosen belt tension and remove belt.
- Remove terminal nut ...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1990 Hyundai Sonata AUTOMOBILES
Hyundai -> Electronic Brake Force Distribution (EBD)/Parking Brake Warning Lamp ->
Vehicle: 1990 Hyundai Sonata GLS 3.0 V6 GAS
The EBD/Parking Brake warning lamp is used to warn of a system fault. It will be lit during engine start-up, but should go out when the self-diagnostic system determines that the system is functioning properly. The lamp will also illuminate when the parking brake is in the applied position. If the lamp EBD/Pa...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1990 Hyundai Sonata AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 1990 Hyundai Sonata 2.4 L4 GAS
Lower
- Disconnect battery ground cable.
- Drain cooling system into a suitable container by loosening drain plug of radiator.
- Reposition hose clamp at radiator outlet.
- Remove hose from radiator.
- Reposition hose clamp at water inlet.
- Remove hose from water inlet.
- Remove hose from vehicle.
- Reverse procedure to inst...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1990 Hyundai Sonata AUTOMOBILES
Serpentine Drive Belt, Replace -> Alternator and Water Pump -> Power Steering and Air Conditioning
Vehicle: 1990 Hyundai Sonata GL 2.4 L4 GAS
Alternator and Water Pump
- Disconnect battery ground cable from battery.
- Loosen alternator pivot bolt.
- Loosen tensioner lockbolt.
- Loosen tensioner adjuster bolt.
- Remove alternator and water pump drive belt.
- Clean and inspect belt surfaces of all pulleys.
- Reverse procedure to...
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COMPONENT LOCATION DIAGRAMS FOR 1990 Hyundai Sonata AUTOMOBILES
Component location diagrams for most 1990 Hyundai Sonata cars and light trucks sold in the U.S. from 1990+.
 Engine Component Locations Diagram for 1990 Hyundai Sonata GLS 2.4 L4 GASComponents on diagram: |
 Luggage Compartment Wiring Harness Diagram for 1990 Hyundai Sonata GLS 2.4 L4 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 1990 Hyundai Sonata AUTOMOBILES
OEM drawn wiring diagrams for most 1990 Hyundai Sonata cars and light trucks sold in the U.S.
 1990 Hyundai Sonata GLS 3.0 V6 GAS Wiring DiagramComponents on diagram: |
 1990 Hyundai Sonata 2.4 L4 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1990 Hyundai Sonata AUTOMOBILES
OEM TSB listings for most 1990 Hyundai Sonata cars and light trucks sold in the U.S. from 1985+.
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Document: ALARM SELF ACTIVATES - HOOD SWITCH PAD REPLACEMENT Vehicle: 1990 Hyundai Sonata 2.4 L4 GAS |
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Document: GUIDELINES AND TORQUE SPECIFICATIONS OF ENGINE FASTENERS USING THE TORQUE-ANGLE METHOD Vehicle: 1990 Hyundai Sonata 2.4 L4 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1990 Hyundai Sonata AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1990 Hyundai Sonata 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 Hyundai Sonata 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 Hyundai Sonata 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 Hyundai Sonata 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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