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1991 Chevrolet S10 Pickup CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Chevrolet 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!

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    Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1991 Chevrolet S10 Pickup 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 S10 Pickup automobile. Try the Automotix DIY solution today!
    DIY REPAIR SAMPLES > CONTINUE EXPLORING >
    Using the Automotix DIY repair procedures will save you hundreds and even thousands of dollars! In addition, it will save you hours of touring the city searching for Chevrolet mechanics you can trust. The Automotix DIY solution is particularly affordable. A full access to the entire DIY repair procedures and diagrams for your 1991 Chevrolet S10 Pickup vehicle will cost less than a single gallon of gas. Here are some of the DIY repair tips and procedures you will find here:

    A/C & HEATER SERVICE PROCEDURES FOR 1991 Chevrolet S10 Pickup AUTOMOBILES

    A/C & Cooling System Maintenance -> General Motors Corp. -> 1990-2002 Chevrolet & GMC S & T Series & Oldsmobile Bravada
    Vehicle: 1991 Chevrolet S10 Pickup 2.5 L4 GAS

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    CLICK HERE TO GET FULL ACCESS TO 1991 Chevrolet S10 Pickup A/C & HEATER SERVICE PROCEDURES

    BRAKE SERVICE PROCEDURES FOR 1991 Chevrolet S10 Pickup AUTOMOBILES

    POWER BRAKE UNITS, GENERAL MOTORS -> General Service -> CHECKING COMPLAINTS
    Vehicle: 1991 Chevrolet S10 Pickup 2.8 V6 GAS

    Diagnose power brakes systems as if two separate systems exist. Check for faults in the regular brake system first. If no problem exists in the regular brake system, diagnosis the power brake circuit is necessary. For a quick check of proper power unit operation, press the brake pedal firmly and then start the engine. The pedal should fall away slightly and less pressure should be needed to maintain the pedal in any position. On vacuum suspended power units, air will rush into the air intake when the brakes are applied.

    To perform another check, remove the stop light switch, ...

    CLICK HERE TO GET FULL ACCESS TO 1991 Chevrolet S10 Pickup BRAKE SERVICE PROCEDURES

    FUEL FILTER REPLACEMENT PROCEDURES FOR 1991 Chevrolet S10 Pickup AUTOMOBILES

    General Motors Corp./Saturn Light Trucks, SUVs & Vans -> Fuel Filter Scheduled Maintenance -> 1987-91 S/T Series Blazer, Bravada, Jimmy & Pickup -> Normal Service -> Severe Service
    Vehicle: 1991 Chevrolet S10 Pickup 2.5 L4 GAS

    Normal Service

    R...

    CLICK HERE TO GET FULL ACCESS TO 1991 Chevrolet S10 Pickup FUEL FILTER REPLACEMENT PROCEDURES

    DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1991 Chevrolet S10 Pickup AUTOMOBILES

    DRIVESHAFT U-JOINT, Replace -> Assemble -> Disassemble
    Vehicle: 1991 Chevrolet S10 Pickup 2.5 L4 GAS

    Never clamp propeller shaft tubing in a vise. Clamping could dent or deform the tube causing an imbalance or unsafe condition. Always clamp on one of the yokes and support the shaft horizontally. Avoid damaging the slip yoke sealing surface. Nicks may damage the bushing or cut the lip seal.

    Disassemble

    • Support propeller shaft in a line horizontal with table of a press.
    • Mark propeller shaft in order to show which end connects to transmission and which end goes to rear axle.
    • On models equipped with external snap ring retainers, proceed as follows:
      • Disassemble snap rings by ...

    CLICK HERE TO GET FULL ACCESS TO 1991 Chevrolet S10 Pickup DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES

    STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1991 Chevrolet S10 Pickup AUTOMOBILES

    Alternator, Replace
    Vehicle: 1991 Chevrolet S10 Pickup 2.5 L4 GAS

    • Disconnect battery ground cable.
    • Remove alternator drive belt.
    • Remove alternator mounting bolts.
    • Remove output terminal nut.
    • Disconnect electrical connector.
    • Remove alternator from vehicle.
    • Reverse procedure to install, noting t...

    CLICK HERE TO GET FULL ACCESS TO 1991 Chevrolet S10 Pickup STARTER & ALTERNATOR REPLACEMENT PROCEDURES

    MAINTENANCE LAMP RESET PROCEDURES FOR 1991 Chevrolet S10 Pickup AUTOMOBILES

    General Motors Corp./Saturn Trucks -> Check Engine/Service Engine Soon Indicator Lamp -> Electronic Engine Controls Or Electronic Fuel Injection Except Tracker
    Vehicle: 1991 Chevrolet S10 Pickup 4.3 V6 GAS

    The Check Engine/Service Engine Soon Lamp should light when the ignition is turned On. When the engine is started, the lamp should go off. If the lamp remains on for 10 seconds or constantly after the engine is started, the self diagnosis system has detected a problem and has stored a code in the system Electronic Control Module (ECM) or Powertrain Control Module (PCM). After diagnosis and repair, the ECM/PCM memory can be cleared of codes either by using a scan tool (OBD II systems) or by disconnecting the battery ground ca...

    CLICK HERE TO GET FULL ACCESS TO 1991 Chevrolet S10 Pickup MAINTENANCE LAMP RESET PROCEDURES

    RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1991 Chevrolet S10 Pickup AUTOMOBILES

    Coolant Hose, Replace -> Lower -> Upper
    Vehicle: 1991 Chevrolet S10 Pickup 2.5 L4 GAS

    Lower

    • Drain cooling system into a suitable container.
    • Reposition hose clamp at radiator outlet and remove hose.
    • Reposition hose clamp at water pump inlet and remove hose.
    • Remove hose from vehicle.
    • Reverse procedure...

    CLICK HERE TO GET FULL ACCESS TO 1991 Chevrolet S10 Pickup RADIATOR & HOSE REPLACEMENT PROCEDURES

    SERPENTINE BELT SERVICE PROCEDURES FOR 1991 Chevrolet S10 Pickup AUTOMOBILES

    Serpentine Drive Belt, Replace
    Vehicle: 1991 Chevrolet S10 Pickup 4.3 V6 GAS

    • Remove belt tensioner pulley retaining bolt...

    CLICK HERE TO GET FULL ACCESS TO 1991 Chevrolet S10 Pickup SERPENTINE BELT SERVICE PROCEDURES

    COMPONENT LOCATION DIAGRAMS FOR 1991 Chevrolet S10 Pickup AUTOMOBILES

    Component location diagrams for most 1991 Chevrolet S10 Pickup cars and light trucks sold in the U.S. from 1990+.

    Heater & A/C Components Diagram for 1991 Chevrolet S10 Pickup  2.8 V6 GASHeater & A/C Components Diagram for 1991 Chevrolet S10 Pickup 2.8 V6 GAS

    Components on diagram:
  • Blower Motor
  • High Blower Relay
  • Blower Resistor
  • Evaporator Pressure Control Switch
  • Accumulator
  • Power Window & Lock Components Diagram for 1991 Chevrolet S10 Pickup  2.8 V6 GASPower Window & Lock Components Diagram for 1991 Chevrolet S10 Pickup 2.8 V6 GAS

    Components on diagram:
  • Rear Power Door Lock Motors
  • Rear Power Window Motors
  • CLICK HERE TO GET FULL ACCESS TO 1991 Chevrolet S10 Pickup PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 1991 Chevrolet S10 Pickup AUTOMOBILES

    OEM drawn wiring diagrams for most 1991 Chevrolet S10 Pickup cars and light trucks sold in the U.S.

    1991 Chevrolet S10 Pickup  2.5 L4 GAS Wiring Diagram1991 Chevrolet S10 Pickup 2.5 L4 GAS Wiring Diagram

    Components on diagram:
  • RH Rear Wheel Sensor
  • RH Front Wheel Sensor
  • Battery
  • LH Rear Wheel Sensor
  • LH Front Wheel Sensor
  • 1991 Chevrolet S10 Pickup  2.5 L4 GAS Wiring Diagram1991 Chevrolet S10 Pickup 2.5 L4 GAS Wiring Diagram

    Components on diagram:
  • Cruise Control Servo
  • Check Valve
  • Brake Cruise Release Valve
  • CLICK HERE TO GET FULL ACCESS TO 1991 Chevrolet S10 Pickup WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 1991 Chevrolet S10 Pickup AUTOMOBILES

    OEM TSB listings for most 1991 Chevrolet S10 Pickup cars and light trucks sold in the U.S. from 1985+.

    Document: Car and Truck Fix It Right the First Time Issues
    Vehicle: 1991 Chevrolet S10 Pickup 2.5 L4 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • Document: GM TIRE WARRANTY PROGRAM CLAIMS GOODWILL GUIDELINES - REVISED
    Vehicle: 1991 Chevrolet S10 Pickup 2.5 L4 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • Wheels, Tires, Wheel Bearings, Seals, Hubs
  • CLICK HERE TO GET FULL ACCESS TO 1991 Chevrolet S10 Pickup TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR 1991 Chevrolet S10 Pickup AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1991 Chevrolet S10 Pickup 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 Chevrolet S10 Pickup 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 Chevrolet S10 Pickup 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 Chevrolet S10 Pickup 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

    CLICK HERE TO GET FULL ACCESS TO 1991 Chevrolet S10 Pickup SPECIFICATIONS DATA!

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    Click here to view more details about 2000 Chevrolet S10 Headlight, Driver Side2000 Chevrolet S10 Headlight, Driver Side, Bulbs included; Composite and combination type; DOT and SAE approved; A high quality, OE replacement headlight assembly; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $71.91

    Click here to view more details about 1998 Chevrolet K2500 Grille Assembly1998 Chevrolet K2500 Grille Assembly, With dual headlight holes and wave horizontal billet grille insert; Ensures precise and perfect fit for a reliable and efficient performance; Adds unique and distinctive styling that gives your vehicle a custom look..

    Source: Auto Body Parts Store

    $189.52

    Click here to view more details2004 Chevrolet S10 Pickup 15" X 7" Steel Wheel, STEEL WHEEL, 15 X 7, 5 STUDS/LUGS, 4.75" BOLT DIA, 8 SLOTS, SILVER, UNIVERSAL; STEEL, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $118.94

    Click here to view more details1971 International 1310 V8, 5 L, 304 CID Rebuilt Engine, Scout appl. Comes with oil pump kit only., Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $2,252.00

    Click here to view more details2002 Chevrolet S10 Pickup Used Rear Vent Window, Driver Side, L., Very Good.

    Source: Used Auto Parts Store

    $96.00

    Click here to view more details2002 Chevrolet S10 Pickup Used Rear Vent Window, Passenger Side, R., Very Good.

    Source: Used Auto Parts Store

    $96.00
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