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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!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
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
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!
A/C & HEATER SERVICE PROCEDURES FOR 1993 GMC Sonoma AUTOMOBILES
Manual Air Conditioning & Heater System Diagnosis & Testing -> Light Duty Trucks & Vans -> A/C SYSTEM DIAGNOSIS & TESTING -> 1992 LUMINA APV, SILHOUETTE & TRANS SPORT -> 1993 LUMINA APV, SILHOUETTE & TRANS SPORT -> 3.1L Engine Less Rear A/C -> 3800 Engine & 3.1L Engine w/Rear A/C -> ASTRO/SAFARI, C, G, K & P SERIES; S & T SERIES w/2.8L & 4.3L ENGINES -> S SERIES w/2.5L ENGINE -> TRACKER
Vehicle: 1993 GMC Sonoma 2.8 V6 GAS
ASTRO/SAFARI, C, G, K & P SERIES; S & T SERIES w/2.8L & 4.3L ENGINES
Refer to Fig. , for A/C system performance diagnosis.
S SERIES w/2.5L ENGINE
Refer to Fig. , for A/C system performance diagnosis.
TRACKER
Refer to Fig. , for A/C system performance diagnosis.
1992 LUMINA APV, SILHOUETTE & TRANS SPORT
3.1L Engine Less Rear A/C
Refe...
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BRAKE SERVICE PROCEDURES FOR 1993 GMC Sonoma AUTOMOBILES
Power Brake Units -> Bendix Brake Boosters -> Troubleshooting -> Accumulator Leak-Down, System Does Not Hold Charge -> Grabby Brakes Or Booster Chatters/Pedal Vibrates -> Slow Brake Pedal Return
Vehicle: 1993 GMC Sonoma 2.8 V6 GAS
Slow Brake Pedal Return
- Excessive seal friction in booster.
- Faulty spool action.
- Restriction in return line from booster to pump reservoir.
- Damaged input rod end.
Grabby Brakes Or Booster Chatters/Pedal Vibrates
- Faulty spool action caused by contamination in ...
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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 4.3 V6 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 ...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1993 GMC Sonoma AUTOMOBILES
CV AXLE SHAFT, Replace -> Install -> Remove
Vehicle: 1993 GMC Sonoma 2.5 L4 GAS
Remove
- Disconnect battery ground cable.
- Unlock steering column, then raise and support vehicle.
- Remove wheel assembly, then axle nut and washer.
- Support lower control arm, then remove lower shock absorber nut and bolt.
- Scribe all revolving driveshaft components in relation to connecting component to ensure correct balance upon assembly.
- Insert drift through opening in top of caliper into rotor cooler vanes to keep axle from turn...
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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 -> Check Fuel Cap Lamp ->
Vehicle: 1993 GMC Sonoma 4.3 V6 GAS
The Check Fuel Cap Lamp will illuminate momentarily when the ignition switch is placed in the On position as a bulb check. I...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1993 GMC Sonoma AUTOMOBILES
Radiator, Replace
Vehicle: 1993 GMC Sonoma 2.8 V6 GAS
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SERPENTINE BELT SERVICE PROCEDURES FOR 1993 GMC Sonoma AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1993 GMC Sonoma 4.3 V6 GAS
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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+.
 Auxiliary A/C & Heater Wiring Diagram for 1993 GMC Sonoma 2.5 L4 GASComponents on diagram: |
 LH Side of I/P Diagram for 1993 GMC Sonoma 4.3 V6 GASComponents on diagram: |
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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 2.8 V6 GAS Wiring DiagramComponents on diagram: |
 1993 GMC Sonoma 4.3 V6 GAS Wiring DiagramComponents on diagram: |
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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+.
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Document: Car and Truck Fix It Right the First Time Issues Vehicle: 1993 GMC Sonoma 4.3 V6 GAS Auto Systems: |
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Document: Air Conditioning Odor Vehicle: 1993 GMC Sonoma 4.3 V6 GAS Symptoms: |
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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
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