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1999 GMC Sonoma CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT GMC REPAIR SHOPS DON'T WANT YOU TO KNOW
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- 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 1999 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 1999 GMC Sonoma AUTOMOBILES
Electric Cooling Fans -> Light Duty Trucks & Vans -> Component Replacement -> C, K & P Series -> Electric Cooling Fan -> Montana, Silhouette, Trans Sport & Venture
Vehicle: 1999 GMC Sonoma 4.3 V6 GAS
Electric Cooling Fan
Montana, Silhouette, Trans Sport & Venture
- Disconnect cooling fan electrical connector.
- Loosen engine mount strut bolts on engine side.
- Remove engine mount strut bracket brace bolts from upper radiator support, then rotate struts and bracket rearward.
- Remove air cleaner and duct assembly.
- Remove cooling fan shroud bolts. ...
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BRAKE SERVICE PROCEDURES FOR 1999 GMC Sonoma AUTOMOBILES
Disc Brakes -> Delco Single Piston Sliding Caliper -> Caliper Service -> Assemble -> Blazer, Bravada & Jimmy -> Disassemble -> Front -> Inspection -> Installation -> Rear -> Removal -> Sierra & Silverado
Vehicle: 1999 GMC Sonoma 4.3 V6 GAS
Removal
Front
- Siphon brake fluid out of master cylinder until fluid level is approximately 1/3 full, this will prevent fluid overflow when caliper piston is pushed back into its bore.
- Raise and support vehicle, then remove wheels.
- Push piston back into its bore using suitable C-clamp, Fig. .
- Remove two caliper mounting bolts and lift caliper off of rotor.
Rear
Blazer, Bravada & Jimmy
- Raise and support vehicle.
- Mark position of wheel to hub for installation reference.
- Remove wheel assembly.
- Remove mounting bolt and disconnect brake hose fitting from caliper. Discard gaskets and plug brake h...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1999 GMC Sonoma AUTOMOBILES
General Motors Corp./Saturn Light Trucks, SUVs & Vans -> Fuel Filter Scheduled Maintenance -> 1992-05 S/T Series Blazer, Bravada, Jimmy & Pickup -> Normal Service -> Severe Service
Vehicle: 1999 GMC Sonoma 4.3 V6 GAS
Normal Service
R...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1999 GMC Sonoma AUTOMOBILES
DRIVESHAFT, Replace -> Front -> Front, All Except NP8 Axle -> Front, NP8 Axle -> One Piece Driveshaft -> Rear -> Three Piece Driveshaft -> Two Piece Driveshaft
Vehicle: 1999 GMC Sonoma 4.3 V6 GAS
Front
Front, All Except NP8 Axle
- Raise and support vehicle.
- Remove front differential carrier shield, if used.
- Reference mark relationship of propeller shaft to front axle and transfer case flange.
- Remove bolts and retainers from front axle.
- Remove bolts and retainers from transfer case.
- Remove propeller shaft. When removing propeller shaft, do not attempt to remove shaft by pounding on yoke ears or using a tool between yoke and universal joint. If propeller shaft is removed by using such means, injection joints may fracture and lead to premature failure of joint.
- Compress propeller...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1999 GMC Sonoma AUTOMOBILES
Alternator, Replace
Vehicle: 1999 GMC Sonoma 2.2 L4 GAS
- Disconnect battery ground cable.
- Remove left front wheel and tire assembly.
- Working through wheelwell, remove alternator rear brace mounting bolts, then brace.
- Remove accessory drive belt.
- Disconnect alternator electrical connectors.
- Remove a...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1999 GMC Sonoma AUTOMOBILES
General Motors Corp./Saturn Trucks -> StabiliTrak Control System Warning Lamp ->
Vehicle: 1999 GMC Sonoma 4.3 V6 GAS
This lamp should light for a approximately 6-8 seconds when the ignition is turned On as a bulb check. If the warning...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1999 GMC Sonoma AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 1999 GMC Sonoma 4.3 V6 GAS
Lower
- Drain cooling system into a suitable container.
- Reposition hose clamp from radiator.
- Remove radiator outlet hose from radiator.
- Reposition hose clamp from water pump.
- Remove radiator outlet hose from water pump and from vehicle.
- Reverse procedure to install.
Upper
- Remove air cleaner...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1999 GMC Sonoma AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1999 GMC Sonoma 4.3 V6 GAS
- Remove belt tensioner pulley retaining bolt...
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COMPONENT LOCATION DIAGRAMS FOR 1999 GMC Sonoma AUTOMOBILES
Component location diagrams for most 1999 GMC Sonoma cars and light trucks sold in the U.S. from 1990+.
 Load Leveling Inflator Components Diagram for 1999 GMC Sonoma 2.2 L4 GASComponents on diagram: |
 Rear Body Harness Diagram for 1999 GMC Sonoma 4.3 V6 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 1999 GMC Sonoma AUTOMOBILES
OEM drawn wiring diagrams for most 1999 GMC Sonoma cars and light trucks sold in the U.S.
 1999 GMC Sonoma 4.3 V6 GAS Wiring DiagramComponents on diagram: |
 1999 GMC Sonoma 4.3 V6 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1999 GMC Sonoma AUTOMOBILES
OEM TSB listings for most 1999 GMC Sonoma cars and light trucks sold in the U.S. from 1985+.
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Document: Revised General Motors New Vehicle Tire Warranty Program Vehicle: 1999 GMC Sonoma 2.2 L4 GAS Auto Systems: |
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Document: New Website for AFIT, TPM, and VDR Updates Vehicle: 1999 GMC Sonoma 2.2 L4 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1999 GMC Sonoma AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1999 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 1999 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 1999 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 1999 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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