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GMC G35/G3500 VAN 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!

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    Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about GMC G35/G3500 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 G35/G3500 VAN automobile. Try the Automotix DIY solution today!
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    Using the Automotix DIY repair procedures will save you hundreds and even thousands of dollars! In addition, it will save you hours of touring the city searching for GMC mechanics you can trust. The Automotix DIY solution is particularly affordable. A full access to the entire DIY repair procedures and diagrams for your GMC G35/G3500 VAN vehicle will cost less than a single gallon of gas. Here are some of the DIY repair tips and procedures you will find here:

    A/C & HEATER SERVICE PROCEDURES FOR GMC G35/G3500 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 G35/G3500 VAN cars and light trucks from 1990+

    Component Replacement & Adjustment -> Light Duty Trucks & Vans -> BLOWER MOTOR, REPLACE -> ASTRO & SAFARI -> Auxiliary Heater -> BRAVADA & S & T Series -> C & K SERIES -> Front -> Front Unit -> G & P SERIES -> LUMINA APV, SILHOUETTE & TRANS SPORT -> Overhead Unit -> Rear Auxiliary -> TRACKER
    Vehicle: 1994 GMC G35/G3500 VAN Rally 7.4 V8 GAS

    ASTRO & SAFARI

    Front Unit
    • Disconnect battery ground cable.
    • Remove coolant recovery bottle.
    • Remove attaching bolts securing windshield washer tank and position tank aside.
    • Disconnect blower motor electrical connector, relay bracket and vent tube as required.
    • Remove blower motor flange screws, then blower motor assembly.
    • Reverse procedure to install, ensuring that blower is properly aligned with pin, if equipped.
    Auxiliary Heater
    • Disconnect battery ground cable.
    • Remove auxiliary heater cover scr...

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    BRAKE SERVICE PROCEDURES FOR GMC G35/G3500 VAN AUTOMOBILES

    Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported GMC G35/G3500 VAN cars and light trucks from 1990+.

    Disc Brakes -> Delco-Moraine Single Piston Caliper -> Brake Pad Service -> Installation -> Removal
    Vehicle: 1994 GMC G35/G3500 VAN 7.4 V8 GAS

    Removal

    • Remove caliper assembly as outlined above.
    • Remove inboard pad with retainer spring. Dislodge outboard pad and position caliper on the front suspension so the brake hose will not support the weight of the caliper.
    • Remove two sleeves from inboard ears of the caliper.
    • Remove four rubber bushings from the grooves in each of the caliper ears.

    Installation

    • Lubricate new sleeves, rubber bushings, bushing grooves and mounting bolt ends with Delco Silicone Lube or equivalent.
    • Install new bushings and sleeves in caliper ears. Position the sleeve so that the end toward the pad is flush ...

    CLICK HERE TO GET FULL ACCESS TO GMC G35/G3500 VAN BRAKE SERVICE PROCEDURES

    FUEL FILTER REPLACEMENT PROCEDURES FOR GMC G35/G3500 VAN AUTOMOBILES

    Fuel filter replacement procedures with corresponding images for most domestic and imported GMC G35/G3500 VAN cars and light trucks sold in the U.S. for 1980+.

    General Motors Corp./Saturn Light Trucks, SUVs & Vans -> Fuel Filter Replacement -> Gasoline Engines Except Equinox, Montana SV6, Relay, Rendezvous w/3.6L Engine, Terraza, Uplander & Vue (2004-06) & 2004-06 Envoy, Rainier & TrailBlazer -> Returnless Fuel System
    Vehicle: 1996 GMC G35/G3500 VAN Special 4.3 V6 GAS

    Returnless Fuel System

    On models equipped with fuel injected engines, relieve fuel system pressure as outlined under "Fuel System Pressure Relief."

    On models equipped with metal collar quick disconnect connectors, GM tool No. J37088-A, or equivalent, will be required to disconnect the connector. Pri...

    CLICK HERE TO GET FULL ACCESS TO GMC G35/G3500 VAN FUEL FILTER REPLACEMENT PROCEDURES

    DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR GMC G35/G3500 VAN AUTOMOBILES

    Includes CV axle, universal joint, and driveline replacement, for domestic and imported GMC G35/G3500 VAN cars and light trucks from 1990+.

    DRIVESHAFT U-JOINT, Replace -> Assemble -> Disassemble
    Vehicle: 1995 GMC G35/G3500 VAN Rally 6.5 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 G35/G3500 VAN AUTOMOBILES

    Includes starter and alternator replacement procedures for domestic and imported GMC G35/G3500 VAN cars and light trucks from 1990+.

    Starter, Replace
    Vehicle: 1997 GMC G35/G3500 VAN Savana 5.7 V8 GAS

    • Disconnect battery ground cable.
    • Raise and support vehicle.
    • Remove starter to engine brace and heat shields.
    • Disconnect wires from solenoids.
    • Remove starter motor mounting bolts, washers and lower starter. Record position of shims, if required.
    • Remove starter motor from vehicle.
    • Reverse procedure to install, notin...

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    MAINTENANCE LAMP RESET PROCEDURES FOR GMC G35/G3500 VAN AUTOMOBILES

    Maintenance lamp reset procedures with corresponding images for most domestic and imported GMC G35/G3500 VAN 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: 1996 GMC G35/G3500 VAN Savana 6.5 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...

    CLICK HERE TO GET FULL ACCESS TO GMC G35/G3500 VAN MAINTENANCE LAMP RESET PROCEDURES

    RADIATOR & HOSE REPLACEMENT PROCEDURES FOR GMC G35/G3500 VAN AUTOMOBILES

    Includes radiator, cooling and heater hose replacement procedures for domestic and imported GMC G35/G3500 VAN cars and light trucks from 1990+

    Radiator, Replace
    Vehicle: 1993 GMC G35/G3500 VAN 5.7 V8 GAS

    • Drain coolant from radiator into a suitable container.
    • Remove upper fan shroud bolts and upper fan shroud.
    • Remove upper insulators and brackets.
    • Remove upper and lower radiator hoses.
    • Disconnect and plug transmission fluid cooler lines.
    • Disconnect and plug engine oil cooler lines.
    • Remove lower fan shroud r...

    CLICK HERE TO GET FULL ACCESS TO GMC G35/G3500 VAN RADIATOR & HOSE REPLACEMENT PROCEDURES

    SERPENTINE BELT SERVICE PROCEDURES FOR GMC G35/G3500 VAN AUTOMOBILES

    Serpentine belt replacement procedures with corresponding images for most domestic and imported GMC G35/G3500 VAN cars and light trucks sold in the U.S. from 1990+.

    Serpentine Drive Belt, Replace
    Vehicle: 1991 GMC G35/G3500 VAN 7.4 V8 GAS

    • Rotate tensioner counterclockwise, using a 1/2 inch breaker bar with a socket placed on tensioner ...

    CLICK HERE TO GET FULL ACCESS TO GMC G35/G3500 VAN SERPENTINE BELT SERVICE PROCEDURES

    COMPONENT LOCATION DIAGRAMS FOR GMC G35/G3500 VAN AUTOMOBILES

    Component location diagrams for most GMC G35/G3500 VAN cars and light trucks sold in the U.S. from 1990+.

     Diagram for 1995 GMC G35/G3500 VAN Vandura 4.3 V6 GAS Diagram for 1995 GMC G35/G3500 VAN Vandura 4.3 V6 GAS

    Components on diagram:
  • Inflatable Restraint Control Module
  • A/C Compressor & Blower Motor Diagram for 1994 GMC G35/G3500 VAN Vandura 4.3 V6 GASA/C Compressor & Blower Motor Diagram for 1994 GMC G35/G3500 VAN Vandura 4.3 V6 GAS

    Components on diagram:
  • Blower Motor
  • A/C Compressor
  • Evaporator Pressure Control Switch
  • Connector C-111
  • Connector C-134
  • CLICK HERE TO GET FULL ACCESS TO GMC G35/G3500 VAN PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR GMC G35/G3500 VAN AUTOMOBILES

    OEM drawn wiring diagrams for most GMC G35/G3500 VAN cars and light trucks sold in the U.S.

    1990 GMC G35/G3500 VAN Rally 7.4 V8 GAS Wiring Diagram1990 GMC G35/G3500 VAN Rally 7.4 V8 GAS Wiring Diagram

    Components on diagram:
  • Brake Switch
  • Clutch Start Switch
  • Cruise Control Module
  • Cruise Control Servo
  • Digital Ratio Adapter
  • 1990 GMC G35/G3500 VAN Vandura 7.4 V8 GAS Wiring Diagram1990 GMC G35/G3500 VAN Vandura 7.4 V8 GAS Wiring Diagram

    Components on diagram:
  • Blower Motor
  • Heater Blower Switch
  • Resistor
  • CLICK HERE TO GET FULL ACCESS TO GMC G35/G3500 VAN WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR GMC G35/G3500 VAN AUTOMOBILES

    OEM TSB listings for most GMC G35/G3500 VAN cars and light trucks sold in the U.S. from 1985+.

    Document: RADIO FREQUENCY INTERFERENCE ID & DIAGNOSIS - REV
    Vehicle: 1992 GMC G35/G3500 VAN Vandura 4.3 V6 GAS

    Auto Systems:
  • Entertainment: Stereo, Radio, Cassettes
  • Document: DRIVELINE CLUNK NOISE WHEN SHIFTING BETWEEN PARK AND DRIVE, PARK AND REVERSE OR DRIVE AND REVERSE - REVISED
    Vehicle: 1997 GMC G35/G3500 VAN Savana 7.4 V8 GAS

    Symptoms:
  • Noise
  • Auto Systems:
  • Drive Axles, Shafts, U-Joints, CV-Joints
  • CLICK HERE TO GET FULL ACCESS TO GMC G35/G3500 VAN TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR GMC G35/G3500 VAN AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most GMC G35/G3500 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 G35/G3500 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 G35/G3500 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 G35/G3500 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

    CLICK HERE TO GET FULL ACCESS TO GMC G35/G3500 VAN SPECIFICATIONS DATA!

    Shop online for auto body parts, engines, wheels, lights...

    Click here to view more details1974 GMC G35/G3500 Van Intake Manifold Gasket, 1.35 in. x 2.26 in. port dimensions, 0.125 in. thick; Made from high-quality cellulose/nitrile composition gasket material; Provides excellent sealing and durability; Can be trimmed if needed for modified ports; Ideal for OE replacement, high performance street use, drag racing, or oval track racing; With Mr. Gasket's limited 90-day warranty..

    Source: Auto Body Parts Store

    $16.57

    Click here to view more details about 1974 GMC G35/G3500 Van Headlight, Driver Or Passenger Side1974 GMC G35/G3500 Van Headlight, Driver Or Passenger Side, Bulbs included; Sealed beam and halogen type; Round; DOT and SAE approved; A high quality, OE replacement headlight assembly; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $17.15

    Click here to view more details2004 GMC Sonoma Pickup Passenger Side Replacement Door Mirror Glass, Passenger Side Replacement Door Mirror Glass; 5 3/4 X 7 5/8 X 9 7/16, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $23.50

    Click here to view more details1985 GMC G35/G3500 Van Rally V8, 6.2 L, 379 CID Rebuilt Engine, Diesel, without injection pump or injectors, fine thread injectors. If '83, check injectors!, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $2,800.00

    Click here to view more details1992 GMC G35/G3500 VAN Used Front Bumper Assembly, FR Chrome BAR ONLY, 1GBEG25K0PF340560, RECON.

    Source: Used Auto Parts Store

    $347.00

    Click here to view more details1975 GMC G35/G3500 VAN Used Starter, 0.0, AUTO, 4X2, Very Good.

    Source: Used Auto Parts Store

    $87.00
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