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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+

Computer Relearn Procedures -> General Motors Corp. -> 1997-98 -> 1998-2000 -> 1998-99 -> 1999-2001 -> 1999-2002 -> 2.2L & 2.4L Engines -> 2000-02 -> 2000-04 -> 2001-02 -> 2001-04 -> 3.1L, 3.4L, 3800/3.8L, 4.0L & 4.6L Engines -> 3.5L Engine -> 5.7L Engine -> Achieva, Alero, Grand Am & Skylark -> Achieva, Cavalier, Skylark & Sunfire -> Alero & Grand Am -> Alero & Malibu -> Aurora -> Aurora, Bonneville, DeVille, LeSabre & Seville -> Aurora, Bonneville, Grand Prix, LeSabre & Park Avenue -> Auto Learn Passlock Procedure -> Body Control Module (BCM) -> Bonneville -> Bonneville, Eighty Eight, LeSabre, LSS & Park Avenue -> C & K Series w/Diesel Engine -> C & K Trucks w/Diesel Engine -> Camaro & Firebird -> Catera -> Cavalier & Sunfire -> Century -> Century, Grand Prix, Impala, Intrigue, Lumina, Monte Carlo & Regal -> Century, Impala, Intrigue, Monte Carlo & Regal -> Corvette -> Crankshaft Position System Variation Learn -> Cutlass & Malibu -> Dash Integration Module (DIM) -> DeVille -> DeVille, Eldorado & Seville -> EEPROM -> Eldorado -> Engine Control Module (ECM) -> Engine Performance -> Except Park Avenue -> Grand Am -> Grand Prix & Regal -> Impala & Monte Carlo -> Instrument Panel Integration Module (IPM) -> Intrigue -> LeSabre -> Less Tech 2 Or Techline Terminal -> Light Truck & Vans -> Park Avenue -> Passenger Cars -> Passkey Module -> Passlock Learn Procedure -> PCM -> Powertrain Control Module (PCM) -> Powertrain Control Module (PCM) & Vehicle Control Module (VCM) -> Rear Integration Module -> Riviera -> Seville -> T50/T60/T20+ -> TDC Offset Adjustment -> Theft Deterrent System Programming -> VCM -> With Tech 2 -> With Techline Terminal & Scan Tool
Vehicle: 1996 GMC G35/G3500 VAN Vandura 6.5 V8 DIESEL

Passenger Cars

Body Control Module (BCM)
Alero & Grand Am

This procedure must be performed if the BCM, Passlock sensor or PCM is replaced. If BCM is not properly programmed, it will not control all the features properly.

  • Ensure battery is fully charged and ignition switch is in the ON position.
  • Connect a suitably programmed Tech II, or equivalent, scan tool to Data Link Connector (DLC).
  • Access scan tool "Special Functions" menu and follow scan tool instructions to program BCM.
  • If BCM fails to accept the pr...

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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+.

Power Brake Units -> Delco-Moraine Brake Boosters -> POWER BRAKE UNIT REPLACEMENT -> Astro & Safari -> C & K Series -> Full Size Except C & K Series -> Lumina APV, Silhouette & Trans Sport -> S/T Series & Bravada
Vehicle: 1996 GMC G35/G3500 VAN Savana 7.4 V8 GAS

Astro & Safari

  • Disconnect master cylinder from power brake unit.
  • Disconnect power brake unit pushrod from brake pedal.
  • Remove power brake unit retaining nuts and the power brake unit.
  • Reverse procedure to install.

Full Size Except C & K Series

  • Remove master cylinder attaching nuts and position master cylinder aside. Do not disconnect brake lines from cylinder.
  • Disconnect power brake unit pushrod from brake pedal.
  • Remove attaching nuts, then the power brake unit.
  • Reverse procedure to install.

S/T Series & Bravada

  • Disconnect master cylinder assembly and vacuum hose from power br...

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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: 1993 GMC G35/G3500 VAN Vandura 5.7 V8 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...

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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, Replace -> One Piece Driveshaft -> Two Piece Driveshaft
Vehicle: 1993 GMC G35/G3500 VAN Vandura 5.7 V8 GAS

One Piece Driveshaft
  • Raise and support vehicle.
  • Mark rear universal joint to drive shaft flange.
  • Remove retaining bolts and clamps.
  • Remove propeller shaft from pinion drive flange.
  • Remove propeller shaft from transmission/transfer case.
  • Using tape or a rubber band, wrap the U-Joint bearing caps to ensure bearing caps do not separate from U-Joint.
  • Reverse procedure to install, noting the following:
    • Align reference marks made during removal.
    • Torque yoke retainer bolts to 18 ft. lbs.
Two Piece Driveshaft
  • Raise and support vehicle.
  • Suppor...

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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: 1993 GMC G35/G3500 VAN Rally 7.4 V8 GAS

  • Disconnect battery ground cable.
  • Raise and support vehicle.
  • Remove starter to engine brace and heat shields, if equipped.
  • Remove starter motor mounting bolts and lower ...

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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 -> All Wheel Drive (AWD) System Warning Lamp ->
Vehicle: 1991 GMC G35/G3500 VAN Vandura 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 war...

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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+

Heater Hose, Replace -> Bypass -> Inlet -> Outlet
Vehicle: 1996 GMC G35/G3500 VAN Vandura 5.7 V8 GAS

Inlet

  • Remove air cleaner.
  • Drain cooling system into a suitable container.
  • Remove heater hose support clamp bolt.
  • Reposition heater core inlet hose clamp at engine.
  • Remove hose from engine.
  • Reposition heater hose inlet clamp at heater core.
  • Remove heater inlet hose from heater core.
  • Remove hose from vehicle.
  • Reverse procedure to install.

Outlet

  • Remove air cleaner.
  • Drain cooling system into a suitable container.
  • Remove heater hose support clamp bolt.
  • Reposition heater hose...

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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: 1990 GMC G35/G3500 VAN Vandura 5.7 V8 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 G35/G3500 VAN AUTOMOBILES

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

Engine Wiring to Shipping Panel Diagram for 1993 GMC G35/G3500 VAN Vandura 7.4 V8 GASEngine Wiring to Shipping Panel Diagram for 1993 GMC G35/G3500 VAN Vandura 7.4 V8 GAS

Components on diagram:
  • Fuel Pump Relay
  • PCM
  • Connector C-100
  • Connector C-201
  • Connector C-250
  • Hydro-Boost Brake System Components Diagram for 1992 GMC G35/G3500 VAN Vandura 6.2 V8 DIESELHydro-Boost Brake System Components Diagram for 1992 GMC G35/G3500 VAN Vandura 6.2 V8 DIESEL

    Components on diagram:
  • Fuse Block
  • Parking Brake Warning Switch
  • Flow Switch
  • Hydro-Boost Pressure Warning Switch
  • Electronic Delay Module Assembly
  • 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.

    1992 GMC G35/G3500 VAN Rally 5.7 V8 GAS Wiring Diagram1992 GMC G35/G3500 VAN Rally 5.7 V8 GAS Wiring Diagram

    Components on diagram:
  • RH Headlamp
  • RH Park Lamp
  • RH Park/Turn Lamp
  • Auxillary Cooling Fan
  • 1990 GMC G35/G3500 VAN  7.4 V8 GAS Wiring Diagram1990 GMC G35/G3500 VAN 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: WARRANTY - CORRECT USE OF LABOR OPERATION R4490 - RKE TRANSMITTER REPLACE
    Vehicle: 1993 GMC G35/G3500 VAN Vandura 7.4 V8 GAS

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
  • Document: AFTERMARKET ANTI-LOCK BRAKE (ABS) PRODUCTS - CAUTION
    Vehicle: 1989 GMC G35/G3500 VAN 6.2 V8 DIESEL

    Auto Systems:
  • Brakes, Power Brakes, Traction Control
  • 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!

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    Click here to view more details about 1974 GMC G35/G3500 Van Mirror, Driver Side1974 GMC G35/G3500 Van Mirror, Driver Side, Non-folding; Below eyeline type; A high quality, OE replacement mirror; Backed by 2-year Kool Vue limited warranty..

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    $22.85

    Click here to view more details1974 GMC G35/G3500 Van Turn Signal Switch, Also controls hazard warning; A high quality, OE replacement turn signal switch; With 2 years limited TrustBuilt warranty..

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    Click here to view more details2014 GMC Yukon Denali Driver Side Head Light Assembly, Driver Side Head Light Assembly; For Denali Models [Platinum Bezel], , .

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    $118.50

    Click here to view more details1984 GMC G35/G3500 Van Vandura L6, 4.1 L, 250 CID Rebuilt Engine, Integral Head, two barrel carb, four hole smog in head., Warranty: 3-Year/100,000 Mile, .

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    $1,335.00

    Click here to view more details1990 GMC G35/G3500 VAN Used Air Cleaner Assembly, 5.0L\, PO# 139488, 115K.

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    $134.00

    Click here to view more details1990 GMC G35/G3500 VAN Used Air Cleaner Assembly, 5.7, AUTO, RWD 5.7L, Without off road; exc. 30 HD, Very Good.

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    $80.00
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