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1991 Saturn SC Series CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Saturn REPAIR SHOPS DON'T WANT YOU TO KNOW
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- 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
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
A/C & HEATER SERVICE PROCEDURES FOR 1991 Saturn SC Series AUTOMOBILES
A/C & Cooling System Maintenance -> General Motors Corp. -> 1991-2002 Saturn
Vehicle: 1991 Saturn SC Series 1.9 L4 GAS
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BRAKE SERVICE PROCEDURES FOR 1991 Saturn SC Series AUTOMOBILES
SATURN -> Drum Brakes -> INSTALLATION
Vehicle: 1991 Saturn SC Series 1.9 L4 GAS
- Lubricate adjuster assembly, adjuster lever surface, backing plate at shoe contact pads and park brake lever pin and brake shoe web contact surface.
- Install park brake lever assembly.
- Install park brake cable, through cable spring onto brake lever.
- Install park brake shoe, hold-down pin, spring and cup.
- Install long, straight end of upper return spring to park brake shoe.
- Install other end of return spring to back of leading shoe...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1991 Saturn SC Series AUTOMOBILES
General Motors Corp./Saturn Passenger Cars -> Fuel Filter Scheduled Maintenance -> 1991-06 Saturn -> Normal Service -> Severe Service
Vehicle: 1991 Saturn SC Series 1.9 L4 GAS
Normal Service
Replace every 100,0...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1991 Saturn SC Series AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 1991 Saturn SC Series 1.9 L4 GAS
- Depress brake pedal and loosen drive axle nut.
- Raise and support vehicle, then remove front wheel and tire assembly and front inner splash shield. If left drive axle or intermediate shaft is being removed, drain fluid from transaxle.
- Remove drive axle nut and washer.
- Remove and discard lower control arm to steering knuckle cotter pin.
- Loosen lower control arm to steering knuckle castle nut to the point where top of castle nut is even with top of ball stud. Do not remove castle nut at this time.
- Separate lower control arm from steering knuckle, using removal tool No. SA9132S or...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1991 Saturn SC Series AUTOMOBILES
Starter, Replace
Vehicle: 1991 Saturn SC Series 1.9 L4 GAS
- Disconnect battery ground cable.
- Raise and support vehicle.
- Remove lower radiator air deflector.
- Disconnect starter electrical connectors.
- Remove torque converter inspection cover.
- Remove start...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1991 Saturn SC Series AUTOMOBILES
General Motors Corp./Saturn Cars -> Check Gauge Warning Lamp ->
Vehicle: 1991 Saturn SC Series 1.9 L4 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 Saturn SC Series AUTOMOBILES
Radiator, Replace
Vehicle: 1991 Saturn SC Series 1.9 L4 GAS
- Disconnect negative cable from battery.
- Drain cooling system into a suitable container.
- Remove air intake ducts, air cleaner housing and temperature sensor connector.
- Remove upper radiator clamp and hose.
- On models with automatic transaxles, remove upper transaxle oil cooler line.
- On all models, remove electric cooling fan assembly.
- Remove lower radiator clamp and hose.
- Raise and support vehicle.
- Remove lower splash shield.
- On mo...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1991 Saturn SC Series AUTOMOBILES
Serpentine Drive Belt, Replace -> Installation -> Removal
Vehicle: 1991 Saturn SC Series 1.9 L4 GAS
Removal
- Depress tensioner arm, using suitable 14mm or 9/16 inch wrench.
- Remove belt from A/C compressor and idler pulley, then remove belt.
Installation
- Route belt over a...
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COMPONENT LOCATION DIAGRAMS FOR 1991 Saturn SC Series AUTOMOBILES
Component location diagrams for most 1991 Saturn SC Series cars and light trucks sold in the U.S. from 1990+.
Rear Of Engine Diagram for 1991 Saturn SC Series 1.9 L4 GAS Components on diagram: |
Starting & Charging Diagram for 1991 Saturn SC Series 1.9 L4 GAS Components on diagram: |
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WIRING DIAGRAMS FOR 1991 Saturn SC Series AUTOMOBILES
OEM drawn wiring diagrams for most 1991 Saturn SC Series cars and light trucks sold in the U.S.
1991 Saturn SC Series 1.9 L4 GAS Wiring Diagram Components on diagram: |
1991 Saturn SC Series 1.9 L4 GAS Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1991 Saturn SC Series AUTOMOBILES
OEM TSB listings for most 1991 Saturn SC Series cars and light trucks sold in the U.S. from 1985+.
Document: Car and Truck Fix It Right the First Time Issues Vehicle: 1991 Saturn SC Series 1.9 L4 GAS Auto Systems: |
Document: GM TIRE WARRANTY PROGRAM CLAIMS GOODWILL GUIDELINES - REVISED Vehicle: 1991 Saturn SC Series 1.9 L4 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1991 Saturn SC Series AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1991 Saturn SC 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 1991 Saturn SC 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 1991 Saturn SC 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 1991 Saturn SC 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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