Positioning:
Comprehensive diagnostic and repair resource for owners and professional technicians seeking factory-accurate information.
Comparison:
Offers superior detail and accuracy compared to generic aftermarket repair guides. Licensed OE data ensures authenticity.
Convenience:
Instant online access, searchable content, compatibility across devices.
Value:
Cost-effective alternative to expensive printed manuals and professional labor for routine maintenance and repairs.
Manual Coverage:
Comprehensive service and repair information for the 1998 Chevrolet C2500 Suburban.
Estimated Page Count:
Thousands (typical of factory service manuals, actual digital equivalent may vary)
Type:
Service and Repair Manual Software
Format:
PDF Download (Online Access with browser compatibility)
Powertrain:
Engine, Transmission (Automatic), Drivetrain (4WD/2WD), Fuel System, Exhaust System
Chassis:
Suspension (Front & Rear), Steering, Brakes (ABS), Wheels & Tires
Electrical:
Wiring Diagrams, Lighting, Instrumentation, Power Accessories, Battery, Charging System, Ignition System, Starting System
HVAC:
Heating, Ventilation, Air Conditioning (A/C) System
Body:
Body Panels, Doors, Glass, Interior Trim, Bumpers
Maintenance:
Oil Changes, Filter Replacements, Fluid Top-offs, Belt Inspections, Spark Plug Replacement
Diagnostics:
Troubleshooting Guides, Symptom-Based Diagnostics, DTC Interpretation (if applicable to OBD-I/II for the year)
Repair:
Component Removal & Installation, Rebuild Procedures, Adjustment Procedures
System Checks:
Pressure Tests, Leak Detection, Electrical Circuit Testing
Depth:
Factory-level detail, including specifications, tolerances, diagnostic trees, and repair sequences.
Engine Type:
Vortec 5.7L V8 (L31)
Engine Displacement:
350 cubic inches (5.7 Liters)
Horsepower:
Approximately 255 hp @ 4600 rpm (Vortec 5.7L)
Torque:
Approximately 330 lb-ft @ 2800 rpm (Vortec 5.7L)
Engine Type:
Vortec 7.4L V8 (L29)
Engine Displacement:
454 cubic inches (7.4 Liters)
Horsepower:
Approximately 290 hp @ 4000 rpm (Vortec 7.4L)
Torque:
Approximately 410 lb-ft @ 3200 rpm (Vortec 7.4L)
Fuel Delivery:
Sequential Multi-Port Fuel Injection (SFI) - Vortec Engines
Fuel Type:
Unleaded Gasoline
ECU:
GM P400 (Powertrain Control Module)
Transmission Type:
4-speed Automatic (4L60-E for 5.7L, 4L80-E for 7.4L)
Transmission Type:
No manual transmission option typically available for C2500 Suburban
Drivetrain:
Available in 2WD (RWD) and 4WD (Full-time or Part-time, depending on configuration)
Transmission Fluid:
Dexron III (ATF)
Length:
Approximately 219.5 inches
Width:
Approximately 79.1 inches
Height:
Approximately 73.5 inches
Wheelbase:
Approximately 130 inches
Curb Weight:
Approximately 4,800 - 5,200 lbs (depending on configuration)
Gross Vehicle Weight Rating Gvwr:
Approximately 7,200 - 8,400 lbs (depending on configuration)
Cargo Volume Behind 1St Row:
Approximately 131.6 cubic feet
Cargo Volume Behind 2Nd Row:
Approximately 44.4 cubic feet
NHTSA Front Crash Test Driver:
Not fully tested or rated under modern standards (data often unavailable for this era)
NHTSA Front Crash Test Passenger:
Not fully tested or rated under modern standards (data often unavailable for this era)
Airbags:
Driver-side airbag standard; Passenger airbag optional or standard depending on trim/late production.
Seatbelts:
Three-point seatbelts at all seating positions.
ABS:
Anti-lock Braking System (ABS) available, often standard on higher trims or 4WD models.
Audio System:
Factory AM/FM stereo with cassette player; Optional CD player or premium sound system.
Cruise Control:
Standard on most models.
Parking Assistance:
Rear parking assist sensors were an available option later in the GMT400 generation, but less common on '98 models.
Auxiliary Inputs:
N/A (No standard aux input or USB ports)
Gauge Cluster:
Includes tachometer, speedometer, fuel, oil pressure, coolant temperature, and voltmeter. Some models may have more basic gauges.
Oil Change Interval:
Typically every 3,000 - 7,500 miles or 3-6 months, depending on driving conditions and oil type (refer to manual for exact recommendations).
Transmission Fluid Change Interval:
Approximately every 30,000 - 60,000 miles or 2-3 years, especially under heavy use.
Coolant Flush Interval:
Typically every 30,000 - 50,000 miles or 2-3 years.
Engine Oil Type:
API Service SG, SH, or SJ certified; Viscosity 5W-30 or 10W-30 recommended (refer to manual based on climate).
Coolant Type:
GM P/N 1052874 (Green) or equivalent ethylene glycol based coolant.
Common Wear Items:
Ball joints, tie rod ends, wheel bearings, intake manifold gaskets, water pump, radiator, fuel injectors, catalytic converter.
Electrical Gremlins:
Can occur due to aging wiring harnesses, body control modules, and grounds.
Engine Performance:
TBI/MPI system issues, carbon buildup, exhaust manifold leaks.
Heritage:
Chevrolet has a long-standing history of producing durable and capable trucks and SUVs.
Evolution:
The 1998 C2500 Suburban is part of the GMT400 platform, a significant update from previous generations, featuring improved aerodynamics and powertrain options.
Production Period:
GMT400 platform: 1992-2000 (Suburban production continued into 2000 before transitioning to GMT800 platform).
Manufacturing Location:
Janesville, Wisconsin, USA (Primary)
