Target Audience:
DIY Mechanics, Independent Repair Shops, GMC C2500 Owners
Value Proposition:
Cost-effective alternative to printed manuals and dealership service; instant online access
Competitor Manuals:
Haynes, Chilton (traditional print formats); other online service platforms
Convenience:
Instant online access from multiple devices, no physical storage needed
Accuracy:
Licensed OE information ensures high accuracy for repairs and diagnostics
Comprehensiveness:
Covers a vast range of systems and procedures, enabling nearly all repairs
Engine Overhaul:
Complete Engine Service and Rebuild Procedures
Fuel System:
Fuel injection, fuel pump, fuel filter, fuel lines, evaporative emissions control
Cooling System:
Radiator, water pump, thermostat, coolant, hoses, fan
Ignition System:
Distributor, spark plugs, ignition coil, timing
Exhaust System:
Exhaust manifolds, catalytic converter, muffler, pipes
Transmission Service:
Manual and Automatic Transmission Repair, Fluid Specifications, Torque Converter
Drivetrain:
Driveshaft, universal joints, rear axle, differential, axles
Suspension Service:
Front and Rear Suspension Components, Shocks, Struts, Springs, Bushings
Steering System:
Power steering, steering gear, tie rods, steering column
Brake System:
Front and Rear Brakes (Disc/Drum), Master Cylinder, Brake Lines, ABS (if equipped)
Electrical System:
Battery, charging system, starter, lighting, accessories
Wiring Diagrams:
Comprehensive Wiring Diagrams for all Electrical Systems
HVAC System:
Heating, Ventilation, and Air Conditioning (HVAC) Controls, Compressor, Refrigerant
Body And Frame:
Body Panels, Doors, Hood, Tailgate, Chassis Components
Diagnostic Procedures:
Troubleshooting Guides and Diagnostic Steps for Various Systems
Maintenance Schedules:
Recommended Service Intervals for Routine Maintenance
Repair Procedures:
Step-by-Step Repair Instructions for all Major Components
Component Replacement:
Detailed Instructions for Replacing Wear Items and Failed Components
Tune Up Procedures:
Ignition timing, spark plugs, filters, fluids
Torque Specifications:
Critical Torque Values for Engine, Chassis, and Drivetrain Components
Depth Level:
Comprehensive; Covers Basic Maintenance to Complete Overhaul and Diagnostics
File Format Characteristics:
Web-based, accessible via standard web browsers on PC, laptop, smartphone, tablet
Searchability:
Likely text-searchable within the software interface
Print Capability:
While digital, the information can typically be printed from a web browser if desired
Binding:
N/A (Digital Format)
Paper Type:
N/A (Digital Format)
Engine Options:
4.3L V6 (VIN Z), 5.0L V8 (VIN H), 5.7L V8 (VIN K), 7.4L V8 (VIN G)
4.3L V6 (Vin Z):
Approx. 160 hp @ 4000 rpm, 230 lb-ft @ 2400 rpm
5.7L V8 (Vin K):
Approx. 210 hp @ 4000 rpm, 300 lb-ft @ 2400 rpm
7.4L V8 (Vin G):
Approx. 230 hp @ 3600 rpm, 380 lb-ft @ 2400 rpm
Fuel Delivery:
Throttle Body Injection (TBI) for most engines, potentially multi-port for later models within the generation (check specific VIN)
Fuel Type:
Unleaded Gasoline
Audio System:
AM/FM stereo with cassette player, optional CD player, manual or power antenna
Cruise Control:
Optional electronic cruise control
Gauges:
Analog gauges including speedometer, tachometer (optional), fuel, oil pressure, temperature, voltmeter
Oil Change Interval:
Every 3,000 miles or 3 months (typical for this era, consult manual for specific engine)
Engine Coolant Interval:
Flush and replace every 2 years or 30,000 miles (typical)
Transmission Fluid Interval:
Check periodically, replace fluid and filter every 30,000 - 60,000 miles (consult manual)
Engine Oil Viscosity:
API Service SG or SH. Viscosity: 10W-30 (common for V8s), 5W-30 or 10W-30 for V6 (check manual)
Coolant Type:
Ethylene Glycol (Green) based coolant, 50/50 mix with distilled water
Common Wear Items:
Ball joints, tie rod ends, leaf spring bushings, catalytic converter, fuel injectors (TBI), distributor gear wear
Electrical Gremlins:
As with many vehicles of this era, electrical connections and grounds can be prone to corrosion leading to intermittent issues.
Rust:
Areas prone to rust include cab corners, rocker panels, and bed rails, especially in regions with salted roads.
Gmc Legacy:
GMC (General Motors Truck Company) has a long history of producing commercial and heavy-duty vehicles
Gmt400 Introduction:
The GMT400 platform (introduced for 1988 model year) represented a significant modernization for GM trucks, featuring a new chassis, improved aerodynamics, and updated interiors.
Assembly Locations:
Fort Wayne, Indiana; Janesville, Wisconsin; Oshawa, Ontario
