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1993 GMC Sonoma CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT GMC 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 1993 GMC Sonoma car and truck repair procedures including GMC 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 GMC Sonoma 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 GMC mechanics you can trust. The Automotix DIY solution is particularly affordable. A full access to the entire DIY repair procedures and diagrams for your 1993 GMC Sonoma 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 1993 GMC Sonoma AUTOMOBILES

    Air Bag System Precautions -> General Motors Corp. -> Arming -> Light Trucks & Vans -> Passenger Cars
    Vehicle: 1993 GMC Sonoma 2.5 L4 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 1993 GMC Sonoma AUTOMOBILES

    Power Brake Units -> Bendix Brake Boosters -> Power Brake Unit Service -> Accumulator Service -> Assemble -> Bleeding Booster -> Cleaning & Inspection -> Disassemble
    Vehicle: 1993 GMC Sonoma 4.3 V6 GAS

    Disassemble

    • Place accumulator compressor tool No. J-26889 or equivalent, around end of accumulator.
    • Install nut onto stud as shown in Fig. , then depress the accumulator with a C-clamp.
    • Remove retainer by using a punch.
    • Release C-clamp and remove accumulator compressor tool.
    • Remove accumulator, O-ring, retainer, plug and spring, Fig. .
    • Remove retainer, output pushrod, baffle, piston return spring and retainer.
    • Using a suitable saw, cut off eyelet of pedal rod, then remove the boot.
    • Remove nut, bracket and bolts, then separate cover from housing.
    • Remove piston assembly and seals...

    CLICK HERE TO GET FULL ACCESS TO 1993 GMC Sonoma BRAKE SERVICE PROCEDURES

    FUEL FILTER REPLACEMENT PROCEDURES FOR 1993 GMC Sonoma AUTOMOBILES

    General Motors Corp./Saturn Light Trucks, SUVs & Vans -> Fuel Pressure Relief -> Except Montana SV6, Relay, Rendezvous w/3.6L Engine, Terraza, Tracker & Uplander -> Engine Fuel Pressure Service Port -> Engines Less Fuel Pressure Service Port
    Vehicle: 1993 GMC Sonoma 2.5 L4 GAS

    Do not smoke or allow an open flame of any type when working on or near any fuel system related components. The highly flammable vapor mixtures may ignite, resulting in serious personal injury.

    Prior to disconnecting fuel lines, the fuel system pressure must be relieved to prevent accidental spray of fuel.

    After the battery has been disconnected and reconnected, some abnormal driveability symptoms may occur. The vehicle may need to be driven while the vehicle relearns its adaptive strategy.

    Engines Less Fuel Pressure ...

    CLICK HERE TO GET FULL ACCESS TO 1993 GMC Sonoma FUEL FILTER REPLACEMENT PROCEDURES

    DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1993 GMC Sonoma AUTOMOBILES

    DRIVESHAFT, Replace -> Front -> Install -> One Piece Driveshaft -> Rear -> Remove -> Two Piece Driveshaft
    Vehicle: 1993 GMC Sonoma 4.3 V6 GAS

    Front

    Remove
    • Raise and support vehicle.
    • Mark the front U-joint to the pinion yoke on the front differential.
    • Mark the relationship of the rear U-joint to the transfer case drive flange.
    • Remove the retaining nuts and bolts from the drive flange.
    • Remove the clamps and retaining bolts from the front drive axle pinion flange.
    • Remove the front propeller shaft from the vehicle.
    • Using tape and or a rubber band, wrap the front U-joint bearing caps to ensure the caps do not separate from the U-joint.
    Install
    • Remove the tape or rubber band from the front U-joint
    • Install the front propeller shaf...

    CLICK HERE TO GET FULL ACCESS TO 1993 GMC Sonoma DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES

    STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1993 GMC Sonoma AUTOMOBILES

    Alternator, Replace
    Vehicle: 1993 GMC Sonoma 4.3 V6 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...

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    MAINTENANCE LAMP RESET PROCEDURES FOR 1993 GMC Sonoma AUTOMOBILES

    General Motors Corp./Saturn Trucks -> Change Trans Fluid Indicator ->
    Vehicle: 1993 GMC Sonoma 4.3 V6 GAS

    This message will appear on the DIC (Driver Information Center) when it is time to change the transmission fluid....

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    RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1993 GMC Sonoma AUTOMOBILES

    Heater Hose, Replace -> Inlet -> Outlet
    Vehicle: 1993 GMC Sonoma 2.8 V6 GAS

    Inlet

    • Remove air cleaner.
    • Drain cooling system into a suitable container.
    • Remove heater hose support clamp bolt.
    • Reposition heater core inlet hose clamp at engine.
    • Remove hose from engine.
    • Reposition heater hose inlet clamp at heater core.
    • Remove heater inlet hose from heater core.
    • Remove hose from vehicle.
    • Reverse procedure to in...

    CLICK HERE TO GET FULL ACCESS TO 1993 GMC Sonoma RADIATOR & HOSE REPLACEMENT PROCEDURES

    SERPENTINE BELT SERVICE PROCEDURES FOR 1993 GMC Sonoma AUTOMOBILES

    Serpentine Drive Belt, Replace
    Vehicle: 1993 GMC Sonoma 2.5 L4 GAS

    • Rotate or lift the belt tensioner arm, using a suitable tool to relieve tension from dr...

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    COMPONENT LOCATION DIAGRAMS FOR 1993 GMC Sonoma AUTOMOBILES

    Component location diagrams for most 1993 GMC Sonoma cars and light trucks sold in the U.S. from 1990+.

    LH Side of I/P Diagram for 1993 GMC Sonoma  4.3 V6 GASLH Side of I/P Diagram for 1993 GMC Sonoma 4.3 V6 GAS

    Components on diagram:
  • Park Brake Warning Switch
  • Splice S-252
  • Splice S-253
  • Splice S-254
  • Harness D-200
  • Rear Window Wiper Module Diagram for 1993 GMC Sonoma  2.8 V6 GASRear Window Wiper Module Diagram for 1993 GMC Sonoma 2.8 V6 GAS

    Components on diagram:
  • Rear Window Wiper Module
  • Connector C-406
  • Connector C-900
  • Grommet P-405
  • CLICK HERE TO GET FULL ACCESS TO 1993 GMC Sonoma PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 1993 GMC Sonoma AUTOMOBILES

    OEM drawn wiring diagrams for most 1993 GMC Sonoma cars and light trucks sold in the U.S.

    1993 GMC Sonoma  4.3 V6 GAS Wiring Diagram1993 GMC Sonoma 4.3 V6 GAS Wiring Diagram

    Components on diagram:
  • Blower Switch
  • Blower Motor
  • Resistor
  • 1993 GMC Sonoma  4.3 V6 GAS Wiring Diagram1993 GMC Sonoma 4.3 V6 GAS Wiring Diagram

    Components on diagram:
  • LH Park Lamp
  • LH Headlamp
  • Windshield Washer Pump
  • Wiper Motor And Module
  • Pulse Wiper Washer Switch
  • CLICK HERE TO GET FULL ACCESS TO 1993 GMC Sonoma WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 1993 GMC Sonoma AUTOMOBILES

    OEM TSB listings for most 1993 GMC Sonoma cars and light trucks sold in the U.S. from 1985+.

    Document: Car and Truck Fix It Right the First Time Issues
    Vehicle: 1993 GMC Sonoma 4.3 V6 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • Document: Air Conditioning Odor
    Vehicle: 1993 GMC Sonoma 4.3 V6 GAS

    Symptoms:
  • Odors
  • Auto Systems:
  • Heating, A/C, Ventilation, Defogger
  • CLICK HERE TO GET FULL ACCESS TO 1993 GMC Sonoma TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR 1993 GMC Sonoma AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1993 GMC Sonoma 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 1993 GMC Sonoma 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 1993 GMC Sonoma 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 1993 GMC Sonoma 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 1993 GMC Sonoma SPECIFICATIONS DATA!

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    $82.77

    Click here to view more details1994 GMC Sonoma Ignition Switch, Blade type; 9-prong male terminal; A high quality, OE replacement ignition switch; With 2 years limited Trustbuilt warranty..

    Source: Auto Body Parts Store

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    Click here to view more details about 2004 GMC Sonoma V6, 4.3 L, 260 CID Rebuilt Engine2004 GMC Sonoma V6, 4.3 L, 260 CID Rebuilt Engine, Warranty: 3-Year/100,000 Mile, .

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    Click here to view more details1994 GMC Sonoma Used Exhaust Manifold, 4-134 (2.2L), Very Good.

    Source: Used Auto Parts Store

    $118.00

    Click here to view more details1991 GMC Sonoma Used Air Injection Pump, 3.1, AUTO, RWD 6-191 (3.1L), Very Good.

    Source: Used Auto Parts Store

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