1993 GMC G35/G3500 VAN REPAIR MANUAL -- HOW TO FIX YOUR CAR OR TRUCK

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1993 GMC G35/G3500 VAN CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT GMC REPAIR SHOPS DON'T WANT YOU TO KNOW

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Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1993 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 1993 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 1993 GMC G35/G3500 VAN AUTOMOBILES

Component Replacement & Adjustment -> Light Duty Trucks & Vans -> HEATER CORE, REPLACE -> ASTRO & SAFARI -> Auxiliary Unit -> C & K SERIES -> G SERIES -> LUMINA APV, SILHOUETTE & TRANS SPORT -> Main Unit -> S/T-10/15 -> TRACKER
Vehicle: 1993 GMC G35/G3500 VAN Vandura 7.4 V8 GAS

ASTRO & SAFARI

Main Unit
  • Disconnect battery ground cable and drain cooling system.
  • Disconnect heater hoses from core tubes, then remove instrument panel lower right filler panel.
  • Remove lower air distributor duct, then the defroster outlet duct.
  • Remove heater case cover mounting screws, then case cover.
  • Remove the heater core mounting screws, then the heater core.
  • Reverse procedure to install.
Auxiliary Unit
  • Disconnect battery ground cable and drain cooling system.
  • Disconnect clamps from heater...

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BRAKE SERVICE PROCEDURES FOR 1993 GMC G35/G3500 VAN AUTOMOBILES

Anti-lock Brakes -> Four Wheel Anti-Lock Brake System -> Description -> Except S & T Series w/VCM & VCM-A -> S & T Series w/VCM & VCM-A
Vehicle: 1993 GMC G35/G3500 VAN Rally 7.4 V8 GAS

Except S & T Series w/VCM & VCM-A

This braking system, Figs. through , is designed to reduce the occurrence of wheel lock-up during severe braking conditions. To accomplish this function, the system regulates hydraulic brake line pressure by using an Electro-Hydraulic Control Unit (EHCU) module or a Brake Pressure Modulator Valve (BPMV). The EHCU/BPMV module has two types of valves: isolation valves, which maintain separate pressure for each front wheel and combine pressure for the rear wheels, and dump valves, which "dump" pressure to each front wheel separately and rear wheels comb...

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FUEL FILTER REPLACEMENT PROCEDURES FOR 1993 GMC G35/G3500 VAN AUTOMOBILES

General Motors Corp./Saturn Light Trucks, SUVs & Vans -> Fuel Filter Replacement -> 6.2L Diesel Engine
Vehicle: 1993 GMC G35/G3500 VAN Vandura 6.2 V8 DIESEL

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. Prior to reconnecting the connector, apply a few drops of clean motor oil to the male pipe ends.

On models equipped with plastic collar quick disconnect connectors, squeeze the connector plastic retainer release tabs to release the connector. Prior to reconnecting the connector, apply a few drops of clean motor...

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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1993 GMC G35/G3500 VAN AUTOMOBILES

DRIVESHAFT, Replace -> One Piece Driveshaft -> Two Piece Driveshaft
Vehicle: 1993 GMC G35/G3500 VAN Rally 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 1993 GMC G35/G3500 VAN AUTOMOBILES

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 1993 GMC G35/G3500 VAN AUTOMOBILES

General Motors Corp./Saturn Trucks -> Air Cleaner Restriction Indicator ->
Vehicle: 1993 GMC G35/G3500 VAN Rally 6.2 V8 DIESEL

An air cleaner restriction indicator, Fig. , is located in the intake duct between the MAF sensor and the air cleaner assembly.

If the window shows green, no service is required at this time. However, if...

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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1993 GMC G35/G3500 VAN AUTOMOBILES

Heater Hose, Replace -> Bypass -> Inlet -> Outlet
Vehicle: 1993 GMC G35/G3500 VAN Rally 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 1993 GMC G35/G3500 VAN AUTOMOBILES

Serpentine Drive Belt, Replace
Vehicle: 1993 GMC G35/G3500 VAN 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 1993 GMC G35/G3500 VAN AUTOMOBILES

Component location diagrams for most 1993 GMC G35/G3500 VAN cars and light trucks sold in the U.S. from 1990+.

Four-Wheel Antilock Brake System Components Diagram for 1993 GMC G35/G3500 VAN Rally 7.4 V8 GASFour-Wheel Antilock Brake System Components Diagram for 1993 GMC G35/G3500 VAN Rally 7.4 V8 GAS

Components on diagram:
  • RH Front Wheel Sensor
  • LH Front Wheel Sensor
  • Four-Wheel Antilock Brake Module
    • PCM Wiring Diagram for 1993 GMC G35/G3500 VAN Vandura 5.7 V8 GASPCM Wiring Diagram for 1993 GMC G35/G3500 VAN Vandura 5.7 V8 GAS

    Components on diagram:
  • PCM
  • Connector C-311
  • LH Frame Rail
  • Grommet P-300
  • Driver Seat Riser

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    WIRING DIAGRAMS FOR 1993 GMC G35/G3500 VAN AUTOMOBILES

    OEM drawn wiring diagrams for most 1993 GMC G35/G3500 VAN cars and light trucks sold in the U.S.

    1993 GMC G35/G3500 VAN Rally 5.7 V8 GAS Wiring Diagram1993 GMC G35/G3500 VAN Rally 5.7 V8 GAS Wiring Diagram

    Components on diagram:
  • Power Antenna Relay
  • Power Antenna
    • 1993 GMC G35/G3500 VAN Vandura 4.3 V6 GAS Wiring Diagram1993 GMC G35/G3500 VAN Vandura 4.3 V6 GAS Wiring Diagram

    Components on diagram:
  • Power Mirror Control Switch

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    TECHNICAL SERVICE BULLETINS FOR 1993 GMC G35/G3500 VAN AUTOMOBILES

    OEM TSB listings for most 1993 GMC G35/G3500 VAN cars and light trucks sold in the U.S. from 1985+.

    Document: Car and Truck Fix It Right the First Time Issues
    Vehicle: 1993 GMC G35/G3500 VAN Rally 6.2 V8 DIESEL

    Auto Systems:
  • Labor Times, Manuals, Warranty, Aids
    • Document: Air Conditioning Odor
    Vehicle: 1993 GMC G35/G3500 VAN Rally 6.2 V8 DIESEL

    Symptoms:
  • Odors

    • Auto Systems:
  • Heating, A/C, Ventilation, Defogger

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    COMPONENT/PARTS SPECIFICATIONS FOR 1993 GMC G35/G3500 VAN AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1993 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 1993 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 1993 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 1993 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

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