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2003 Saturn L Series CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Saturn REPAIR SHOPS DON'T WANT YOU TO KNOW
Learn how to repair a car or truck, install or remove parts, wire an engine, reset warning lights, replace fuel filter, fix auto body and more. Get Automotix DIY!Select Section
- Component Locations
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator Replacement
- Cabin Air Filter Locations & 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 2003 Saturn L Series car and truck
repair procedures including Saturn 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 Saturn L Series automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 2003 Saturn L Series AUTOMOBILES
Air Bag System Precautions -> General Motors Corp. -> Arming -> Light Trucks & Vans -> Passenger Cars
Vehicle: 2003 Saturn L Series 3.0 V6 GAS
Passenger Cars
Reverse disarming procedures to arm the Supplemental Restraint System, noting the following:
- Ensure all disconnected SRS electrical connectors are securely connected and routed.
- Install all removed fuses in proper locations.
- From a safe position at sides of or below air bag module, Turn ignition switch to ON position and observe Air Bag or SRS warning lamp.
- On all models except Prizm and 1990 Corvette, warning lamp should flash seven to nine times, then go off.
- On Prizm models, warning lamp should light for six seconds,...
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BRAKE SERVICE PROCEDURES FOR 2003 Saturn L Series AUTOMOBILES
Hydraulic Brake Systems -> Saturn -> Troubleshooting -> Fluid Leaks -> Road Testing
Vehicle: 2003 Saturn L Series 2.2 L4 GAS
When troubleshooting the hydraulic brake system, perform the following inspections. If a fault still exists within the system, refer to the brake system diagnosis chart and the troubleshooting chart, Fig. .
Road Testing
When testing brakes, ensure the road is level and dry. Test brakes at both light and heavy pedal pressure. Do not lock up brakes or slide tires during a brake test.
Inspect the tires on the vehicle before performing a brake test. Tires should be equally inflated, identic...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Saturn L Series AUTOMOBILES
General Motors Corp./Saturn Passenger Cars -> Component Locations -> Saturn L-Series & 1988-93 LeMans
Vehicle: 2003 Saturn L Series 2.2 L4 GAS
Ref...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 Saturn L Series AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 2003 Saturn L Series 2.2 L4 GAS
- With vehicle on ground, depress brake pedal and remove cotter and drive axle nut. Discard nut and cotter.
- Raise vehicle and support vehicle.
- Remove wheel and tire assembly corresponding to drive axle being removed.
- Remove tie rod end torque prevailing nut, discard nut. Do not attempt to separate joint using a wedge-type tool because seal may be damaged.
- Using a suitable puller, separate tie rod end from steering knuckle.
- Remove lower control arm to steering knuckle nut and bolt. Be careful not to allow steering knuckle to contact ball stud seal. Contact may cause seal to rip, ...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Saturn L Series AUTOMOBILES
Starter, Replace
Vehicle: 2003 Saturn L Series 3.0 V6 GAS
- Disconnect battery ground cable.
- Raise and support vehicle.
- Remove righthand front wheel and disconnect starter electrical connectors.
- Loosen electrical harness bracket to engine block fastener.
- Remove lower starter moun...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2003 Saturn L Series AUTOMOBILES
Cabin Air Filter Service -> General Motors Corp./Saturn -> 2000-05 Saturn L, LS & LW Series
Vehicle: 2003 Saturn L Series 3.0 V6 GAS
Under normal operating conditions the cabin air filter should be replaced every 12 months or 12,000 miles. In dusty areas change the cabin air filter more often.
- Open the hood.
- Carefully open the cowl cabin air filter access door using a flat blade screwdriver, Fig. .
- Remove any leaves and debris form the filter housing area.
- Rotate the locking tabs outward to rel...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Saturn L Series AUTOMOBILES
General Motors Corp./Saturn Cars -> Passlock Telltale Lamp -> 2000-09 Saturn
Vehicle: 2003 Saturn L Series 2.2 L4 GAS
The instrument panel cluster contains the security telltale lamp. The security telltale has three modes of operation: Off, Flashing and On. The security telltale will be off if ignition is in the off position or if the ignition is in the Run, Start or Acc position and the security system diagnostics have all passed. The security telltale will be on if the body control module (BCM) is performing a bulb test at vehicle start up, the security system diagnostics have not yet completed at vehicle start up or if a security s...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Saturn L Series AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2003 Saturn L Series 3.0 V6 GAS
Lower
- Disconnect negative battery cable.
- Drain cooling system into a suitable container.
- Reposition hose clamp from engine block.
- Remove radiator outlet hose from engine block.
- Reposition hose clamp from surge bottle.
- Remove radiator outlet hose from surge bottle.
- Reposition hose clamp from radiator.
- Remove radiator outlet hose f...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Saturn L Series AUTOMOBILES
Serpentine Drive Belt, Replace -> Installation -> Removal
Vehicle: 2003 Saturn L Series 2.2 L4 GAS
Removal
- Mark belt running direction.
- Depress tensioner arm using suitable 3/8 inch drive breaker bar.
- Remove belt from idler or air conditioning compressor pulley and accessor...
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COMPONENT LOCATION DIAGRAMS FOR 2003 Saturn L Series AUTOMOBILES
Component location diagrams for most 2003 Saturn L Series cars and light trucks sold in the U.S. from 1990+.
 HVAC Component Views Diagram for 2003 Saturn L Series 3.0 V6 GASComponents on diagram: |
 Power Door Systems Component Views Diagram for 2003 Saturn L Series 3.0 V6 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 2003 Saturn L Series AUTOMOBILES
OEM drawn wiring diagrams for most 2003 Saturn L Series cars and light trucks sold in the U.S.
 2003 Saturn L Series 2.2 L4 GAS Wiring DiagramComponents on diagram: |
 2003 Saturn L Series 3.0 V6 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2003 Saturn L Series AUTOMOBILES
OEM TSB listings for most 2003 Saturn L Series cars and light trucks sold in the U.S. from 1985+.
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Document: New Website for AFIT, TPM, and VDR Updates Vehicle: 2003 Saturn L Series 3.0 V6 GAS Auto Systems: |
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Document: EI09213 -- Engineering Information -- Fuel Smell/Odor or Leak Near Fuel Tank Area Vehicle: 2003 Saturn L Series 3.0 V6 GAS Symptoms: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2003 Saturn L Series AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 Saturn L Series 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 2003 Saturn L Series 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 2003 Saturn L Series 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 2003 Saturn L Series 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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