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GMC G15/G1500 VAN 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 G15/G1500 VAN 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 G15/G1500 VAN automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR GMC G15/G1500 VAN 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 G15/G1500 VAN cars and light trucks from 1990+
Component Replacement & Adjustment -> Light Duty Trucks & Vans -> Thermostat, Replace -> Astro, Bravada, Safari, S & T Series -> C, G, K & P Series -> Diesel Engine -> Gasoline Engine -> Montana, Silhouette, Trans Sport & Venture -> Tracker
Vehicle: 1998 GMC G15/G1500 VAN 4.3 V6 GAS
C, G, K & P Series
Gasoline Engine
- Remove engine cover, air cleaner and air inlet duct.
- Drain cooling system until radiator coolant level is below thermostat.
- Remove radiator hose at coolant outlet.
- Remove thermostat housing mounting bolts and ground wire.
- Remove thermostat housing, thermostat and gasket.
- Reverse procedure to install, noting the following:
- On all models except 7.4L engine, torque attaching bolts to 21 ft. lbs.
- On 7.4L engine, torque attaching bolts to 27 ft. lbs.
Diesel Eng...
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BRAKE SERVICE PROCEDURES FOR GMC G15/G1500 VAN AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported GMC G15/G1500 VAN cars and light trucks from 1990+.
Disc Brakes -> Delco-Moraine Single Piston Caliper -> Tightening Specifications
Vehicle: 1996 GMC G15/G1500 VAN Savana 5.0 V8 GAS
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FUEL FILTER REPLACEMENT PROCEDURES FOR GMC G15/G1500 VAN AUTOMOBILES
Fuel filter replacement procedures with corresponding images for most domestic and imported GMC G15/G1500 VAN cars and light trucks sold in the U.S. for 1980+.
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 G15/G1500 VAN Rally 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 GMC G15/G1500 VAN AUTOMOBILES
Includes CV axle, universal joint, and driveline replacement, for domestic and imported GMC G15/G1500 VAN cars and light trucks from 1990+.
DRIVESHAFT U-JOINT, Replace -> Assemble -> Disassemble
Vehicle: 1991 GMC G15/G1500 VAN Vandura 5.0 V8 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 ...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR GMC G15/G1500 VAN AUTOMOBILES
Includes starter and alternator replacement procedures for domestic and imported GMC G15/G1500 VAN cars and light trucks from 1990+.
Alternator, Replace
Vehicle: 1991 GMC G15/G1500 VAN Vandura 5.0 V8 GAS
- Disconnect battery ground cable.
- Disconnect terminal plug and battery lead from rear of alternator.
- Remove accessory drive belt.
- Remove alternator mounting bolts.
- Separate alternator from mounting bracket.
- Rem...
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MAINTENANCE LAMP RESET PROCEDURES FOR GMC G15/G1500 VAN AUTOMOBILES
Maintenance lamp reset procedures with corresponding images for most domestic and imported GMC G15/G1500 VAN cars and light trucks sold in the U.S. from 1990+.
General Motors Corp./Saturn Trucks -> Traction Control System (TCS)/Electronic Stability Control (ESC) Warning Lamp ->
Vehicle: 1990 GMC G15/G1500 VAN Rally 5.7 V8 GAS
This lamp should light for a approximately 6-8 seconds when the ignition is turned On as a bulb check. If t...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR GMC G15/G1500 VAN AUTOMOBILES
Includes radiator, cooling and heater hose replacement procedures for domestic and imported GMC G15/G1500 VAN cars and light trucks from 1990+
Radiator, Replace
Vehicle: 1991 GMC G15/G1500 VAN Vandura 5.0 V8 GAS
- Drain cooling system into a suitable container.
- Remove upper fan shroud.
- Remove radiator hose inlet.
- Remove radiator hose outlet.
- Remove transmission oil cooler lines.
- Remove overflow hose.
- Remove ...
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SERPENTINE BELT SERVICE PROCEDURES FOR GMC G15/G1500 VAN AUTOMOBILES
Serpentine belt replacement procedures with corresponding images for most domestic and imported GMC G15/G1500 VAN cars and light trucks sold in the U.S. from 1990+.
Serpentine Drive Belt, Replace
Vehicle: 1995 GMC G15/G1500 VAN Vandura 4.3 V6 GAS
- Rotate tensioner counterclockwise, using a 1/2 inch breaker bar with a socket placed on tensioner ...
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COMPONENT LOCATION DIAGRAMS FOR GMC G15/G1500 VAN AUTOMOBILES
Component location diagrams for most GMC G15/G1500 VAN cars and light trucks sold in the U.S. from 1990+.
 Engine Wiring & Components Diagram for 1992 GMC G15/G1500 VAN Rally 5.0 V8 GASComponents on diagram: |
 Diagram for 1996 GMC G15/G1500 VAN Savana 5.7 V8 GASComponents on diagram: |
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WIRING DIAGRAMS FOR GMC G15/G1500 VAN AUTOMOBILES
OEM drawn wiring diagrams for most GMC G15/G1500 VAN cars and light trucks sold in the U.S.
 1998 GMC G15/G1500 VAN 4.3 V6 GAS Wiring DiagramComponents on diagram: |
 1993 GMC G15/G1500 VAN Rally 4.3 V6 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR GMC G15/G1500 VAN AUTOMOBILES
OEM TSB listings for most GMC G15/G1500 VAN cars and light trucks sold in the U.S. from 1985+.
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Document: REAR AXLE (G80) - CHATTER - DRAIN LUBRICANT & REFILL Vehicle: 1985 GMC G15/G1500 VAN Rally 5.7 V8 GAS Symptoms: |
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Document: MEMCAL - LACK OF POWER/TCC LOCK TOO EARLY - SERVICE Vehicle: 1991 GMC G15/G1500 VAN Rally 4.3 V6 GAS Symptoms: |
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COMPONENT/PARTS SPECIFICATIONS FOR GMC G15/G1500 VAN AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most GMC G15/G1500 VAN 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 G15/G1500 VAN 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 G15/G1500 VAN 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 G15/G1500 VAN 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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