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GMC V1500 Suburban 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 V1500 Suburban 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 V1500 Suburban automobile. Try the Automotix DIY solution today!
BRAKE SERVICE PROCEDURES FOR GMC V1500 Suburban AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported GMC V1500 Suburban cars and light trucks from 1990+.
DRUM BRAKES, GENERAL MOTORS -> General Information -> SERVICE PRECAUTIONS
Vehicle: 1990 GMC V1500 Suburban 6.2 V8 DIESEL
When working on or around brake assemblies, care must be taken to prevent breathing asbestos dust, as many manufacturers incorporate asbestos fibers in the production of brake linings. During routine service operations, the amount of asbestos dust from brake lining wear is at a low level due to a chemical breakdown during use, and a few precautions will minimize exposure. Do not sand or grind brake linings unless suitable local exhaust ventilation equipment is used to prevent e...
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FUEL FILTER REPLACEMENT PROCEDURES FOR GMC V1500 Suburban AUTOMOBILES
Fuel filter replacement procedures with corresponding images for most domestic and imported GMC V1500 Suburban 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: 1991 GMC V1500 Suburban 6.2 V8 DIESEL
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 V1500 Suburban AUTOMOBILES
Includes CV axle, universal joint, and driveline replacement, for domestic and imported GMC V1500 Suburban cars and light trucks from 1990+.
DRIVESHAFT U-JOINT, Replace -> Assemble -> Disassemble
Vehicle: 1991 GMC V1500 Suburban 6.2 V8 DIESEL
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 V1500 Suburban AUTOMOBILES
Includes starter and alternator replacement procedures for domestic and imported GMC V1500 Suburban cars and light trucks from 1990+.
Alternator, Replace
Vehicle: 1991 GMC V1500 Suburban 6.2 V8 DIESEL
- 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 V1500 Suburban AUTOMOBILES
Maintenance lamp reset procedures with corresponding images for most domestic and imported GMC V1500 Suburban cars and light trucks sold in the U.S. from 1990+.
General Motors Corp./Saturn Trucks -> Diesel Engine Water In Fuel Or Drain Fuel Filter Warning Lamp ->
Vehicle: 1990 GMC V1500 Suburban 6.2 V8 DIESEL
The "Water in Fuel" indicator will light when excessive water has entered the fuel system. A low pressure sensor activates the lamp as the fuel filter becomes plugged. The lamp will light during engine starting as a bulb check.
Once engine has started, the lamp should go Off. If the lamp is lit intermittently or remains lit, drain fuel filter. If the lamp still remains On after fuel filter has been drained, replace fuel filter. If lamp is lit during high speed opera...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR GMC V1500 Suburban AUTOMOBILES
Includes radiator, cooling and heater hose replacement procedures for domestic and imported GMC V1500 Suburban cars and light trucks from 1990+
Radiator, Replace
Vehicle: 1991 GMC V1500 Suburban 6.2 V8 DIESEL
- 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 V1500 Suburban AUTOMOBILES
Serpentine belt replacement procedures with corresponding images for most domestic and imported GMC V1500 Suburban cars and light trucks sold in the U.S. from 1990+.
Serpentine Drive Belt, Replace
Vehicle: 1991 GMC V1500 Suburban 6.2 V8 DIESEL
- Rotate tensioner to release belt tension, using a 1/2 inch breaker bar with a 5/8 inch socket placed on tensioner pulley.
- Remove drive belt.
- Route b...
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COMPONENT LOCATION DIAGRAMS FOR GMC V1500 Suburban AUTOMOBILES
Component location diagrams for most GMC V1500 Suburban cars and light trucks sold in the U.S. from 1990+.
 Oxygen Sensor Diagram for 1990 GMC V1500 Suburban 5.7 V8 GASComponents on diagram: |
 Oil Pressure Switch Diagram for 1989 GMC V1500 Suburban 5.7 V8 GASComponents on diagram: |
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WIRING DIAGRAMS FOR GMC V1500 Suburban AUTOMOBILES
OEM drawn wiring diagrams for most GMC V1500 Suburban cars and light trucks sold in the U.S.
 1991 GMC V1500 Suburban 5.7 V8 GAS Wiring DiagramComponents on diagram: |
 1991 GMC V1500 Suburban 5.7 V8 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR GMC V1500 Suburban AUTOMOBILES
OEM TSB listings for most GMC V1500 Suburban cars and light trucks sold in the U.S. from 1985+.
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Document: INFORMATION ON 2-3 UPSHIFT OR 3-2 DOWNSHIFT CLUNK NOISE 4L60E OR 4L65E - REVISED Vehicle: 1990 GMC V1500 Suburban 6.2 V8 DIESEL Symptoms: |
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Document: INFORMATION ON PROPER TIRE PRESSURE - REVISED Vehicle: 1990 GMC V1500 Suburban 6.2 V8 DIESEL Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR GMC V1500 Suburban AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most GMC V1500 Suburban 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 V1500 Suburban 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 V1500 Suburban 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 V1500 Suburban 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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