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1998 Chevrolet Astro CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Chevrolet REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Component Locations
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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 1998 Chevrolet Astro car and truck
repair procedures including Chevrolet 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 Chevrolet Astro automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 1998 Chevrolet Astro AUTOMOBILES
Manual Air Conditioning & Heater System Diagnosis & Testing -> Light Duty Trucks & Vans -> A/C System Troubleshooting
Vehicle: 1998 Chevrolet Astro 4.3 V6 GAS
Refer...
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BRAKE SERVICE PROCEDURES FOR 1998 Chevrolet Astro AUTOMOBILES
Power Brake Units -> Delco Brake Booster -> Description -> Operation -> Single Diaphragm Type -> Tandem (Dual) Diaphragm Type
Vehicle: 1998 Chevrolet Astro 4.3 V6 GAS
In order to properly service power brake systems, a thorough understanding of the various power assist systems is necessary. These systems provide a mechanical assist, acting to increase the force applied to the master cylinder piston by the driver while decreasing the effort necessary to obtain acceptable stopping performance. Two basic types of power assist mechanisms are used: vacuum assist diaphragm assemblies which use engine vacuum and in some cases vacuum from an external vacuum pump, and hydraulic assist assemblies which use hydraulic pressure developed by an external pump (...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1998 Chevrolet Astro AUTOMOBILES
General Motors Corp./Saturn Light Trucks, SUVs & Vans -> Fuel Filter Replacement -> Gasoline Engines Except Equinox, Montana SV6, Relay, Rendezvous w/3.6L Engine, Terraza, Uplander & Vue (2004-06) & 2004-06 Envoy, Rainier & TrailBlazer -> Returnless Fuel System
Vehicle: 1998 Chevrolet Astro 4.3 V6 GAS
Returnless Fuel System
On models equipped with fuel injected engines, relieve fuel system pressure as outlined under "Fuel System Pressure Relief."
On models equipped with metal collar quick disconnect connectors, GM tool No. J37088-A, or equivalent, will be required to disconnect the connector. Pri...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1998 Chevrolet Astro AUTOMOBILES
DRIVESHAFT, Replace -> Front -> Rear
Vehicle: 1998 Chevrolet Astro 4.3 V6 GAS
Front
The driveline components in this vehicle are factory system-balanced. System balance provides a smoother running driveline operation. Observe the position of all the driveline components. Accurately mark the relationship of the components before removal. These components include the propeller shafts, the drive axles, the pinion flanges, and the output shafts. All components must be reassembled in the exact relationship to each other as they were before removal. Follow the specifications, the torque values, and any measurements made prior to disassembly in order to maint...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1998 Chevrolet Astro AUTOMOBILES
Alternator, Replace
Vehicle: 1998 Chevrolet Astro 4.3 V6 GAS
- Disconnect battery ground cable.
- Remove air inlet duct.
- Remove heater hose brace bolt from rear of alternator.
- Disconnect alternator electrical connectors.
- Remove accessory drive belt.
- Remove alternator mounting bol...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1998 Chevrolet Astro AUTOMOBILES
General Motors Corp./Saturn Trucks -> Service Throttle Soon Indicator Lamp ->
Vehicle: 1998 Chevrolet Astro 4.3 V6 GAS
A "Service Throttle Soon" indicator lamp is mounted in the lower righthand instrument cluster corner on these models. It lights when the ignition is turned On, but should go out approximately 1-5 seconds after the engine starts.
Traditional throttle cables are no longer used on these models. The PCM receives signals from an electron...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1998 Chevrolet Astro AUTOMOBILES
Radiator, Replace
Vehicle: 1998 Chevrolet Astro 4.3 V6 GAS
- Drain coolant from radiator into a suitable container.
- Remove upper fan shroud and radiator hoses.
- Remove lower fan shroud.
- Disconnect and plug transmission flui...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1998 Chevrolet Astro AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1998 Chevrolet Astro 4.3 V6 GAS
- Insert a 1/2 inch breaker bar into the tensioner pulley.
- Rotate tensioner counterclockwise, then remove drive belt.
- Route drive belt over all pulleys except ...
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COMPONENT LOCATION DIAGRAMS FOR 1998 Chevrolet Astro AUTOMOBILES
Component location diagrams for most 1998 Chevrolet Astro cars and light trucks sold in the U.S. from 1990+.
 Battery Wiring Diagram for 1998 Chevrolet Astro 4.3 V6 GASComponents on diagram: |
 Oxygen Sensor Wiring Diagram for 1998 Chevrolet Astro 4.3 V6 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 1998 Chevrolet Astro AUTOMOBILES
OEM drawn wiring diagrams for most 1998 Chevrolet Astro cars and light trucks sold in the U.S.
 1998 Chevrolet Astro 4.3 V6 GAS Wiring DiagramComponents on diagram: |
 1998 Chevrolet Astro 4.3 V6 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1998 Chevrolet Astro AUTOMOBILES
OEM TSB listings for most 1998 Chevrolet Astro cars and light trucks sold in the U.S. from 1985+.
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Document: Revised General Motors New Vehicle Tire Warranty Program Vehicle: 1998 Chevrolet Astro 4.3 V6 GAS Auto Systems: |
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Document: New Website for AFIT, TPM, and VDR Updates Vehicle: 1998 Chevrolet Astro 4.3 V6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1998 Chevrolet Astro AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1998 Chevrolet Astro 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 1998 Chevrolet Astro 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 1998 Chevrolet Astro 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 1998 Chevrolet Astro 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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