Fix GMC G35/G3500 VAN Cars/Trucks | Repair & Service Tips, Preventive Maintenance, Engine Diagrams, Leak/Noise Problems, etc.)

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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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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+

Cooling Fans -> Light Duty Trucks & Vans -> SYSTEM DIAGNOSIS & TESTING -> C, K, G & P SERIES -> LUMINA APV, SILHOUETTE & TRANS SPORT
Vehicle: 1994 GMC G35/G3500 VAN Vandura 6.5 V8 DIESEL

LUMINA APV, SILHOUETTE & TRANS SPORT

Refer to Figs. through , for diagnosis and testing procedures. If fan blade is bent or damaged, re...

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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+.

Hydraulic Brake Systems -> Brake System Bleed -> Hydraulic System Flush -> Manual Bleed -> Master Cylinder Bleed -> Parking Brake Bleed -> Pressure Bleed
Vehicle: 1996 GMC G35/G3500 VAN Vandura 7.4 V8 GAS

Manual Bleed

If vehicle is equipped with power brakes, remove vacuum reserve by applying brakes several times with engine off.
Fill master cylinder reservoirs with suitable brake fluid. Be sure to always keep master cylinder reservoirs at least half full during entire bleeding procedure.
If master cylinder is suspected to have air in the bore, it must be bled first, as follows:

Disconnect forward brake pipe connection at master cylinder.
Allow brake fluid to fill master cylinder bore until it begins to flow from forward pipe connector port.
Connect and tighten forward brake pipe at...

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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 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: 1994 GMC G35/G3500 VAN Rally 5.7 V8 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 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 -> Front -> One Piece -> Rear
Vehicle: 1996 GMC G35/G3500 VAN Rally 5.7 V8 GAS

Rear

One Piece

Raise and support vehicle.
Remove bolts from U-joint brackets at differential end of driveshaft.
Lower differential end of driveshaft enough to clear differential.
Place a suitable container under output shaft of transmission.
Push driveshaft slightly forward towards transmission.
Pull driveshaft rearward towards differential and remove from vehicle.
Reverse procedure to install, noting following:

Torque bolts to 27 ft. lbs.

Front

Important: It is essential that positions of all driveline components relative to propeller shaft and axles be observed and accurately referen...

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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: 1992 GMC G35/G3500 VAN Vandura 6.2 V8 DIESEL

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 -> Low Coolant Lamp ->
Vehicle: 1994 GMC G35/G3500 VAN Vandura 7.4 V8 GAS

This lamp should light when engine coolant level in the radiator drops below a predetermined le...

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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 -> Inlet -> Outlet
Vehicle: 1991 GMC G35/G3500 VAN Vandura 5.7 V8 GAS

Inlet

Drain cooling system into a suitable container.
Reposition hose clamp at heater core.
Remove inlet heater hose from heater core.
Reposition hose clamp at thermostat housing.
Remove inlet heater hose from thermostat housing.
Remove hose from vehicle.
Reverse proc...

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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: 1996 GMC G35/G3500 VAN Rally 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 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 & Transmission Wiring Harness Diagram for 1997 GMC G35/G3500 VAN Savana 7.4 V8 GAS

Components on diagram:

Output Speed Sensor

A/T Input Speed Sensor

LH Frame Rail Diagram for 1997 GMC G35/G3500 VAN Savana 6.5 V8 DIESEL

Components on diagram:

Battery

Electronic Brake Control Module

Brake Pressure Differential Switch

Ignition Feed

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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 Diagram

Components on diagram:

Brake Switch

Clutch Start Switch

Cruise Control Module

Cruise Control Servo

Digital Ratio Adapter

1997 GMC G35/G3500 VAN Savana 7.4 V8 GAS Wiring Diagram

Components on diagram:

Convenience Center

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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 CLAIMS SUBMISSION - IMPORTANCE OF GM PART NUMBERS AND DATE CODED PARTS
Vehicle: 1988 GMC G35/G3500 VAN 5.7 V8 GAS

Auto Systems:

Labor Times, Manuals, Warranty, Aids

Document: INFORMATION ON PROPER TIRE PRESSURE - REVISED
Vehicle: 1991 GMC G35/G3500 VAN Rally 5.7 V8 GAS

Auto Systems:

Wheels, Tires, Wheel Bearings, Seals, Hubs

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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

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

	1974 GMC G35/G3500 Van Mirror, Passenger Side, Non-folding; Below eyeline type; A high quality, OE replacement mirror; Backed by 2-year Kool Vue limited warranty.. Source: Auto Body Parts Store	$37.65

	1974 GMC G35/G3500 Van Headlight Switch, Blade type; 7-prong male terminal; Dashboard mounted; A high quality, OE replacement headlight switch; With 1-year limited TruckEFX warranty.. Source: Auto Body Parts Store	$35.62

	2006 GMC Yukon Denali Fender Trim, FENDER TRIM, 4 PIECE SET , , . Source: Wheels / Rims, Mirrors & Lights Store	$78.45

	1972 GMC G35/G3500 Van Rally L6, 4.1 L, 250 CID Rebuilt Engine, Without smog, two hole starter mount., Warranty: 7-Year/70,000 Mile, . Source: Rebuilt Engines Store	$1,186.00

	1995 GMC G35/G3500 VAN Used Exhaust Manifold, 8-350 (5.7L), R., Without AIR, Very Good. Source: Used Auto Parts Store	$132.00

	1988 GMC G35/G3500 VAN Used Alternator, diesel, Very Good. Source: Used Auto Parts Store	$99.00
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