Vehicle Segment:
Heavy-Duty Pickup Truck
Target Audience:
Commercial users, fleet owners, and individual owners who perform their own maintenance and repairs.
Competitors:
Ford F-250, Dodge Ram 2500
Manual Advantage:
Official licensing and OE material derivation ensures accuracy and completeness.
Convenience:
Instant online access, platform compatibility, and user-friendly interface.
Cost Effectiveness:
Significant savings compared to dealership labor costs.
Primary Coverage:
Mechanical, Electrical, Body, and Maintenance
Engine Coverage:
Vortec 5.0L V8, Vortec 5.7L V8, 7.4L V8
Drivetrain Coverage:
2WD (RWD) and 4WD (AWD) drivetrains, Transfer Case, Axles
Chassis Coverage:
Suspension (front and rear), Steering System, Brakes (front disc, rear drum/disc options)
Electrical Coverage:
Wiring Diagrams, Electrical Components, Lighting, HVAC Controls
Body Coverage:
Body Panels, Doors, Glass, Interior Trim, Bumpers
Estimated Page Count:
Thousands (comprehensive factory-derived data)
Type:
Service and Repair Manual (Software)
Delivery Format:
Online/Digital Access
Access Method:
Web Browser (PC, Laptop, Smartphone, Tablet)
Access Duration:
1 Year (with renewal discounts)
Powertrain:
Engine Mechanical, Fuel System, Ignition System, Cooling System, Lubrication System, Exhaust System, Powertrain Control Module (PCM)
Drivetrain:
Manual Transmission, Automatic Transmission (4L60E, 4L80E), Transfer Case (NV241), Drive Axles, Propeller Shafts
Suspension Steering:
Front Independent Suspension (torsion bar), Rear Solid Axle with Leaf Springs, Power Steering System, Steering Gear
Brakes:
Front Disc Brakes (with ABS option), Rear Drum or Disc Brakes, Parking Brake System
Electrical System:
Battery, Charging System, Starting System, Ignition System, Lighting, Instrumentation, Power Windows, Power Locks, Mirrors, Wiper/Washer System
HVAC:
Air Conditioning System, Heater System, Ventilation System, Climate Control
Maintenance:
Oil Changes, Fluid Checks and Changes, Filter Replacements, Spark Plug Replacement, Belt Inspection and Replacement
Diagnostics:
Troubleshooting Guides, Diagnostic Trouble Codes (DTCs), Symptom-Based Diagnosis
Repair Overhaul:
Engine Rebuilds, Transmission Overhauls, Brake System Repairs, Suspension Component Replacement, Steering Gear Reconditioning
Electrical Repair:
Component Testing and Replacement, Wiring Harness Repair, Fuse and Relay Diagnosis
Body Repair:
Panel Replacement, Door Alignment, Glass Replacement, Interior Trim Installation
Depth:
Comprehensive Factory-Level Detail
Detail Level:
Includes torque specifications, tolerances, component removal/installation sequences, and diagnostic flowcharts.
Engine Option 1:
5.0L (305 cid) Vortec V8 (L30)
Engine Option 2:
5.7L (350 cid) Vortec V8 (L31)
Engine Option 3:
7.4L (454 cid) Vortec V8 (L29)
5.0L V8 Horsepower:
Approx. 220 hp @ 4600 rpm
5.0L V8 Torque:
Approx. 290 lb-ft @ 3200 rpm
5.7L V8 Horsepower:
Approx. 255 hp @ 4600 rpm
5.7L V8 Torque:
Approx. 330 lb-ft @ 2800 rpm
7.4L V8 Horsepower:
Approx. 290 hp @ 4000 rpm
7.4L V8 Torque:
Approx. 410 lb-ft @ 3200 rpm
Fuel Delivery:
Multi-port Electronic Fuel Injection (MPI)
Fuel Type:
Unleaded Gasoline
Wheelbase Options:
130" (Regular Cab), 155" (Extended Cab)
Gvwr:
Varies by configuration, typically 7,700 lbs to 8,600 lbs
Curb Weight:
Varies significantly by engine and configuration, starting around 5,000 lbs
Oil Change Interval:
Typically every 3,000-5,000 miles or 3-6 months, depending on driving conditions (refer to manual for specific recommendations).
Transmission Fluid Change:
Every 30,000-60,000 miles or as per manual, especially for heavy-duty use.
Coolant Change:
Every 30,000-50,000 miles or 2-3 years.
Engine Oil:
API Service SG, SH, or SJ rated oil. Viscosity typically 5W-30 or 10W-30 (check manual for specific engine/temperature ranges).
Transmission Fluid Automatic:
Dexron III (or equivalent)
Transmission Fluid Manual:
GL-4 or GL-5 gear oil (specific weight to be confirmed in manual)
Coolant:
Ethylene Glycol based, typically a 50/50 mix with distilled water.
Common Problems 1:
Torsion bar keys sagging (causing front end to droop), worn tie rod ends and ball joints, intake manifold gasket leaks, heater core issues.
Common Problems 2:
Fuel pump failures, exhaust manifold cracking (especially on earlier models), ABS sensor failures, radiator leaks.
Gmc Legacy:
GMC (General Motors Truck Company) has a long history of producing robust and capable trucks for commercial and personal use.
K2500 Positioning:
The K2500 is a 'three-quarter-ton' pickup, positioned above the light-duty K1500 and below the heavy-duty K3500, offering a balance of capability and payload.
Production Era:
The GMT400 platform trucks, including the K2500, were produced from 1988 through 2000, with a significant update in 1995.
