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GMC Sonoma CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT GMC REPAIR SHOPS DON'T WANT YOU TO KNOW
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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 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 GMC Sonoma AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported GMC Sonoma cars and light trucks from 1990+
Compressor Service -> Harrison HR100T/HR110T & R-4 Radial Compressors -> SHAFT SEAL, REPLACE -> INSTALLATION -> REMOVAL
Vehicle: 1993 GMC Sonoma 4.3 V6 GAS
REMOVAL
- Discharge refrigerant and remove clutch plate and hub outlined previously.
- Using tool No. J-5403-A, or equivalent, remove shaft seal seat retainer ring.
- Remove shaft seal seat and seal with tool No. J-23128-A, then the O-ring with tool No. J-9553-01, or equivalents.
INSTALLATION
Ensure compressor neck and shaft area are free from lint, dirt, or other foreign material before installing new seal parts.
- Lubricate seal seat O-ring in refrigerant oil and assemble onto tool No. J-33011, or equivalent.
- Insert tool No. J-...
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BRAKE SERVICE PROCEDURES FOR GMC Sonoma AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported GMC Sonoma cars and light trucks from 1990+.
Disc Brakes -> Delco Single Piston Sliding Caliper -> Brake Pad Service -> Installation -> Removal
Vehicle: 1997 GMC Sonoma 4.3 V6 GAS
Removal
- Remove caliper as outlined under "Caliper Service."
- Remove inboard pad with retainer spring.
- Remove outboard pad and position caliper on front suspension so brake hose will not support weight of caliper.
- Remove two sleeves from inboard ears of caliper.
- Remove four rubber bushings from grooves in each of caliper ears.
Installation
- Lubricate new sleeves, rubber bushings, bushing grooves and mounting bolt ends with lubricant part No. 19010909, or equivalent.
- Install new bushings and sleeves in caliper e...
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FUEL FILTER REPLACEMENT PROCEDURES FOR GMC Sonoma AUTOMOBILES
Fuel filter replacement procedures with corresponding images for most domestic and imported GMC Sonoma cars and light trucks sold in the U.S. for 1980+.
General Motors Corp./Saturn Light Trucks, SUVs & Vans -> Component Locations -> 1982-93 S/T Series Blazer, Jimmy & Pickup w/2.8L Engine
Vehicle: 1991 GMC Sonoma 2.8 V6 GAS
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR GMC Sonoma AUTOMOBILES
Includes CV axle, universal joint, and driveline replacement, for domestic and imported GMC Sonoma cars and light trucks from 1990+.
DRIVESHAFT, Replace -> Front -> One Piece Driveshaft -> Rear -> Two Piece Driveshaft
Vehicle: 1991 GMC Sonoma 2.5 L4 GAS
Front
- 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.
- Reverse procedure to install, noting the following:
- Torque front propeller shaft flange to front axl...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR GMC Sonoma AUTOMOBILES
Includes starter and alternator replacement procedures for domestic and imported GMC Sonoma cars and light trucks from 1990+.
Starter, Replace
Vehicle: 1991 GMC Sonoma 2.8 V6 GAS
Upon removal of starter, note if any shims are used. If shims are used, they should be installed in their original locations. After installation, if starter is noisy during cranking, remove one .015 inch double shim or add one .015 inch single shim to outer bolt. If starter makes a high pitched whine after firing, add .015 inch double shims until noise ceases.
- Disconnect battery ground cable.
- Raise and support front of vehicle.
- Raise vehicle half way to gain access to starter motor.
- Re...
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MAINTENANCE LAMP RESET PROCEDURES FOR GMC Sonoma AUTOMOBILES
Maintenance lamp reset procedures with corresponding images for most domestic and imported GMC Sonoma cars and light trucks sold in the U.S. from 1990+.
General Motors Corp./Saturn Trucks -> Check Engine/Service Engine Soon Indicator Lamp -> Electronic Engine Controls Or Electronic Fuel Injection Except Tracker
Vehicle: 1997 GMC Sonoma 2.2 L4 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...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR GMC Sonoma AUTOMOBILES
Includes radiator, cooling and heater hose replacement procedures for domestic and imported GMC Sonoma cars and light trucks from 1990+
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 1996 GMC Sonoma 2.2 L4 GAS
Lower
- Drain cooling system into a suitable container.
- Reposition hose clamp from radiator.
- Remove radiator outlet hose from radiator.
- Reposition hose clamp from coolant pump inlet.
- Remove radiator outlet hose from coolant pump inlet and from vehicle.
- Reverse pro...
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SERPENTINE BELT SERVICE PROCEDURES FOR GMC Sonoma AUTOMOBILES
Serpentine belt replacement procedures with corresponding images for most domestic and imported GMC Sonoma cars and light trucks sold in the U.S. from 1990+.
Serpentine Drive Belt, Replace
Vehicle: 1996 GMC Sonoma 4.3 V6 GAS
- Remove belt tensioner pulley retaining bolt...
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COMPONENT LOCATION DIAGRAMS FOR GMC Sonoma AUTOMOBILES
Component location diagrams for most GMC Sonoma cars and light trucks sold in the U.S. from 1990+.
 Marker Lamp/Backup Lamp,Park/Turn Signal Lamp,Splice Pack Diagram for 2003 GMC Sonoma 4.3 V6 GASComponents on diagram: |
 Fuse Block-Underhood, Battery Fuse Cable Diagram for 2002 GMC Sonoma 2.2 L4 FLEXComponents on diagram: |
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WIRING DIAGRAMS FOR GMC Sonoma AUTOMOBILES
OEM drawn wiring diagrams for most GMC Sonoma cars and light trucks sold in the U.S.
 2001 GMC Sonoma 4.3 V6 GAS Wiring DiagramComponents on diagram: |
 2000 GMC Sonoma 2.2 L4 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR GMC Sonoma AUTOMOBILES
OEM TSB listings for most GMC Sonoma cars and light trucks sold in the U.S. from 1985+.
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Document: I/P - ITCH NOISE/PAD RUBS AGAINST COWL OR DASH PANEL Vehicle: 1992 GMC Sonoma GT 4.3 V6 GAS Symptoms: |
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Document: DRIVEABILITY/ODOR AND/OR DTC 45 - CHECK CMFI Vehicle: 1992 GMC Sonoma GT 4.3 V6 GAS Symptoms: |
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COMPONENT/PARTS SPECIFICATIONS FOR GMC Sonoma AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 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 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 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 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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