Market Position:
Essential technical resource for owners and independent repair facilities seeking accurate, OE-derived information for the 1996 GMC K2500.
Competitive Analysis:
Offers a modern, accessible alternative to outdated printed manuals, providing instant online access and broader compatibility across devices compared to physical books.
Key Features:
Officially licensed OE-derived information, year-long access, comprehensive system coverage, PC/laptop/smartphone/tablet compatibility, ease of use, cost-effectiveness for DIY repairs.
Systems Covered:
Engine, Transmission, Drivetrain, Suspension, Steering, Brakes, Electrical System, HVAC, Fuel System, Cooling System, Exhaust System, Body and Chassis, Interior Components
Procedures Included:
Diagnostics, Maintenance, Repair, Overhaul, Troubleshooting, Wiring Diagrams, Component Replacement, Adjustments, Specifications
Technical Depth:
Factory-level diagnostic and repair procedures, suitable for professional technicians and advanced DIYers.
Wiring Diagrams:
Comprehensive electrical schematics for all vehicle systems, including power distribution, lighting, engine controls, and accessories.
Troubleshooting Guides:
Detailed diagnostic flowcharts and step-by-step troubleshooting procedures for common and intermittent faults.
Bodywork Coverage:
Includes procedures for body panel alignment, door and window regulator repair, bumper replacement, and rust repair techniques.
HVAC Coverage:
Covers air conditioning system service, heater core replacement, blower motor troubleshooting, and climate control panel repair.
Drivetrain Coverage:
Detailed procedures for front and rear axle service, transfer case operation and repair (if applicable for 4WD), driveshaft U-joints, and differential maintenance.
Brakes Coverage:
Front disc brake pad and rotor replacement, rear drum brake service, brake caliper and wheel cylinder repair, hydraulic system bleeding, and ABS component diagnostics.
Suspension Coverage:
Includes ball joint replacement, shock absorber and strut service, leaf spring inspection and replacement, and steering component repair (tie rods, idler arm, pitman arm).
Steering Coverage:
Covers power steering pump and gearbox service, steering column repair, and alignment procedures.
Diagnostics Coverage:
On-Board Diagnostics (OBD-II) system, including diagnostic trouble codes (DTCs), data stream interpretation, and system reset procedures.
Engine Repair Procedures:
Includes detailed procedures for cylinder head removal and installation, piston and ring replacement, crankshaft and bearing service, camshaft and valvetrain overhaul.
Transmission Repair Procedures:
Covers complete overhaul of the 4L60-E transmission, including clutch pack replacement, valve body diagnostics, and seal replacement.
Electrical Coverage:
Detailed diagnosis and repair of charging system (alternator, battery), starting system (starter motor), lighting circuits, accessory circuits, and power window/lock systems.
General Specifications:
Provides torque specifications for all major fasteners, engine timing, valve lash (if applicable), and wheel alignment angles.
Primary Engine:
5.7L V8 (Vortec 350)
Engine Options:
7.4L V8 (Vortec 454) was also available on K2500 models.
Horsepower 5.7L:
200 hp @ 4000 rpm (approx.)
Torque 5.7L:
310 lb-ft @ 2400 rpm (approx.)
Fuel System:
Multi-Port Fuel Injection (MPFI)
Engine Code:
L31 (for 5.7L Vortec)
Engine Notes:
The Vortec engines of this era are known for their robust design and good torque output, making them well-suited for towing and heavy-duty applications.
Ignition System:
Distributor with electronic ignition (EGR system present).
Cooling System Capacity:
Approximately 16 quarts (Vortec 5.7L).
Curb Weight:
Varies by configuration, typically starting around 5,500 lbs.
Payload Capacity:
Up to ~3,000 lbs. (depending on configuration)
Front Axle Capacity:
Approx. 3,800 lbs.
Rear Axle Capacity:
Approx. 6,000 lbs.
Wheelbase:
130 inches (Standard Bed), 155 inches (Long Bed)
Dimensions Notes:
The K2500 was available in various cab configurations (Regular Cab, Extended Cab) and bed lengths (short and long), impacting overall dimensions and weight.
Oil Change Interval:
Every 3,000-5,000 miles or 6 months (refer to manual for specific recommendations based on driving conditions).
Transmission Fluid Change:
Every 30,000-50,000 miles (refer to manual for specific recommendations).
Coolant Flush Interval:
Every 30,000-50,000 miles or 2 years.
Engine Oil Type 5.7L:
API SG or SH, SAE 10W-30 (preferred in moderate temperatures, 5W-30 for colder climates)
Transmission Fluid Type:
Dexron III Automatic Transmission Fluid (ATF)
Coolant Type:
Ethylene Glycol based coolant (Dex-Cool NOT recommended for this era)
Known Issues:
Intake manifold gasket leaks (especially on earlier Vortec), fuel pump issues, potential for catalytic converter failure, distributor cap/rotor wear, power steering pump leaks.
Oil Filter Part Number Example:
ACDelco PF1218 or equivalent.
Air Filter Part Number Example:
ACDelco A2220C or equivalent.
Maintenance Notes:
The manual will detail the exact torque specifications for critical fasteners, proper jacking points, and fluid capacities for all major components.
Transmission Fluid Capacity:
Approximately 11 quarts (4L60-E).
Engine Oil Capacity:
6 quarts (5.7L V8) with filter change.
Coolant Capacity:
16 quarts (5.7L V8).
Towing Maintenance:
Includes specific maintenance items related to towing, such as trailer brake controller wiring and hitch inspections.
Brand Heritage:
GMC has a long history of producing robust and capable trucks, emphasizing durability and work-oriented features.
Model Evolution:
The 1996 K2500 is part of the GMT400 platform, introduced in 1987, which represented a significant modernization of GM's truck line. This generation saw the introduction of the Vortec engine family.
Production Years Gmt400:
1988-1998 (for C/K pickups)
Manufacturing Locations:
Various GM assembly plants in North America.
Model History:
The K-series trucks represented GMC's heavy-duty line, with the K2500 being a 3/4-ton model designed for substantial hauling and towing capabilities.