Auto Parts Search
1998 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!Select Section
- Component Locations
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
A/C & HEATER SERVICE PROCEDURES FOR 1998 GMC G35/G3500 VAN AUTOMOBILES
Air Bag System Precautions -> General Motors Corp. -> Arming -> Light Trucks & Vans -> Passenger Cars
Vehicle: 1998 GMC G35/G3500 VAN 7.4 V8 GAS
Passenger Cars
Reverse disarming procedures to arm the Supplemental Restraint System, noting the following:
- Ensure all disconnected SRS electrical connectors are securely connected and routed.
- Install all removed fuses in proper locations.
- From a safe position at sides of or below air bag module, Turn ignition switch to ON position and observe Air Bag or SRS warning lamp.
- On all models except Prizm and 1990 Corvette, warning lamp should flash seven to nine times, then go off.
- On Prizm models, warning lamp should light for six seconds,...
CLICK HERE TO GET FULL ACCESS TO 1998 GMC G35/G3500 VAN A/C & HEATER SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1998 GMC G35/G3500 VAN AUTOMOBILES
Disc Brakes -> Delco Single Piston Sliding Caliper -> Rotor Replacement -> 2WD Models -> 4WD Models -> Astro, Blazer, Bravada, Jimmy, K1500/2500 & T Series Pickup -> Except Montana, Silhouette, Trans Sport & Venture -> Front -> K3500 -> Montana, Silhouette, Trans Sport & Venture -> Rear
Vehicle: 1998 GMC G35/G3500 VAN 7.4 V8 GAS
2WD Models
Except Montana, Silhouette, Trans Sport & Venture
Front
- Raise and support vehicle.
- Remove tire and wheel assembly.
- Remove caliper as outlined under "Caliper Service."
- Remove grease cap from hub/rotor, Fig. .
- Remove cotter pin, nut and washer.
- Remove hub/rotor from spindle, being careful not to damage spindle threads or outer bearing.
- Reverse procedure to install, noting the following:
- Apply high-temperature wheel bearing grease to inner and outer wheel bearings.
- Torque nut to 12 ft. lbs. while turning wheel assembly forward by hand, back nut off one flat or until hole in spindle...
CLICK HERE TO GET FULL ACCESS TO 1998 GMC G35/G3500 VAN BRAKE SERVICE PROCEDURES
FUEL FILTER REPLACEMENT PROCEDURES FOR 1998 GMC G35/G3500 VAN AUTOMOBILES
General Motors Corp./Saturn Light Trucks, SUVs & Vans -> Fuel Filter Scheduled Maintenance -> 1996-03 C/K, G & R/V Series w/Gasoline Engine -> Heavy Duty Emissions -> Light Duty Emissions -> Normal Service -> Severe Service
Vehicle: 1998 GMC G35/G3500 VAN 7.4 V8 GAS
Light Duty Emissions
Normal Service
Replace every 30,000 miles
Severe Service
Rep...
CLICK HERE TO GET FULL ACCESS TO 1998 GMC G35/G3500 VAN FUEL FILTER REPLACEMENT PROCEDURES
DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1998 GMC G35/G3500 VAN AUTOMOBILES
DRIVESHAFT, Replace -> One Piece Driveshaft -> Two Piece Driveshaft
Vehicle: 1998 GMC G35/G3500 VAN 6.5 V8 DIESEL
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...
CLICK HERE TO GET FULL ACCESS TO 1998 GMC G35/G3500 VAN DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES
STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1998 GMC G35/G3500 VAN AUTOMOBILES
Starter, Replace
Vehicle: 1998 GMC G35/G3500 VAN 7.4 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...
CLICK HERE TO GET FULL ACCESS TO 1998 GMC G35/G3500 VAN STARTER & ALTERNATOR REPLACEMENT PROCEDURES
MAINTENANCE LAMP RESET PROCEDURES FOR 1998 GMC G35/G3500 VAN AUTOMOBILES
General Motors Corp./Saturn Trucks -> Reduce Engine Power Indicator Lamp ->
Vehicle: 1998 GMC G35/G3500 VAN 7.4 V8 GAS
The Reduce Engine Power indicator lamp should light for a approximately 3 seconds when the ignition is turned On as a bulb check. If the warning lamp turns On during vehicle operation, a vehicl...
CLICK HERE TO GET FULL ACCESS TO 1998 GMC G35/G3500 VAN MAINTENANCE LAMP RESET PROCEDURES
RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1998 GMC G35/G3500 VAN AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 1998 GMC G35/G3500 VAN 7.4 V8 GAS
Lower
- Drain cooling system into a suitable container.
- Reposition hose clamp from radiator.
- Remove radiator outlet hose from radiator.
- Reposition hose clamp from water pump.
- Remove radiator outlet hose from water pump and from vehicle.
- Reverse procedure to install.
Upper
- Drain co...
CLICK HERE TO GET FULL ACCESS TO 1998 GMC G35/G3500 VAN RADIATOR & HOSE REPLACEMENT PROCEDURES
SERPENTINE BELT SERVICE PROCEDURES FOR 1998 GMC G35/G3500 VAN AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1998 GMC G35/G3500 VAN 5.7 V8 GAS
These engines use a single serpentine drive belt to drive all engine-mount accessories. All belt drive accessories are rigidly mounted with belt tension maintained by a spring loaded automatic tensioner.
- Rotate tensioner counterclockwise using suitable 1/2 inch break...
CLICK HERE TO GET FULL ACCESS TO 1998 GMC G35/G3500 VAN SERPENTINE BELT SERVICE PROCEDURES
COMPONENT LOCATION DIAGRAMS FOR 1998 GMC G35/G3500 VAN AUTOMOBILES
Component location diagrams for most 1998 GMC G35/G3500 VAN cars and light trucks sold in the U.S. from 1990+.
Below LH Side Of I/P Diagram for 1998 GMC G35/G3500 VAN 6.5 V8 DIESEL Components on diagram: |
Heated Oxygen Sensors Diagram for 1998 GMC G35/G3500 VAN 7.4 V8 GAS Components on diagram: |
CLICK HERE TO GET FULL ACCESS TO 1998 GMC G35/G3500 VAN PARTS/COMPONENTS LOCATION DIAGRAMS!
WIRING DIAGRAMS FOR 1998 GMC G35/G3500 VAN AUTOMOBILES
OEM drawn wiring diagrams for most 1998 GMC G35/G3500 VAN cars and light trucks sold in the U.S.
1998 GMC G35/G3500 VAN 5.7 V8 GAS Wiring Diagram Components on diagram: |
1998 GMC G35/G3500 VAN 5.7 V8 GAS Wiring Diagram Components on diagram: |
CLICK HERE TO GET FULL ACCESS TO 1998 GMC G35/G3500 VAN WIRING DIAGRAMS!
TECHNICAL SERVICE BULLETINS FOR 1998 GMC G35/G3500 VAN AUTOMOBILES
OEM TSB listings for most 1998 GMC G35/G3500 VAN cars and light trucks sold in the U.S. from 1985+.
Document: Revised General Motors New Vehicle Tire Warranty Program Vehicle: 1998 GMC G35/G3500 VAN 5.7 V8 GAS Auto Systems: |
Document: New Website for AFIT, TPM, and VDR Updates Vehicle: 1998 GMC G35/G3500 VAN 5.7 V8 GAS Auto Systems: |
CLICK HERE TO GET FULL ACCESS TO 1998 GMC G35/G3500 VAN TECHNICAL SERVICE BULLETINS!
COMPONENT/PARTS SPECIFICATIONS FOR 1998 GMC G35/G3500 VAN AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1998 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 1998 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 1998 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 1998 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 1998 GMC G35/G3500 VAN SPECIFICATIONS DATA!
Shop online for auto body parts, engines, wheels, lights...
More parts |
Get the Complete Technical Service Bulletins! |
Access diagrams and repair information such as wiring diagrams, diagnosis and repair charts, manufacturer service bulletins, and OEM Part numbers of your 1998 GMC G35/G3500 VAN vehicle. |
Access the Complete guide! |