🏷️ Basic Information

Make:

Chevrolet

Model:

K1500

Year:

1990

Model Code:

GMT400

Vehicle Type:

Light Duty Pickup Truck

👋 Introduction

Market Position:

Targeted at owners of the 1990 Chevrolet K1500 seeking detailed, accurate, and convenient repair and maintenance information, offering a significant cost-saving alternative to dealership service or expensive printed manuals.

Competitive Advantage:

Licensed OE information, instant online access, comprehensive coverage, and user-friendly digital format offer superior convenience and value compared to outdated printed manuals or generic online forums.

Key Features:

Officially licensed, factory-derived data, immediate access, broad system coverage, detailed diagnostic procedures, extensive repair instructions.

📋 Manual Details

Manual Type:

Service and Repair Manual Software

Format:

PDF Download

Language:

English

Access Duration:

1 Year Subscription (with option for renewal)

Device Compatibility:

PC, Laptop, Smartphone, Tablet (via web browser)

📖 Manual Coverage

Systems Covered:

Engine, Drivetrain (4WD), Transmission, Brakes, Steering, Suspension, Cooling System, Fuel System, Exhaust System, Electrical System, HVAC (Heating, Ventilation, and Air Conditioning), Bodywork, Interior Components, Wiring Diagrams

Procedures Included:

Routine Maintenance, Diagnostic Procedures, Repair and Overhaul, Component Replacement, Troubleshooting Guides, Technical Specifications, Torque Values, Fluid Capacities, Wiring Harness Repairs, Emissions Controls, Suspension Alignment, Brake System Servicing, Engine Performance Tuning

Technical Depth:

Comprehensive factory-derived information suitable for DIY enthusiasts and professional technicians, covering everything from basic service to major component rebuilds.

📊 Manual Specifications

File Quality:

High-resolution, searchable text and diagrams derived from OE (Original Equipment) materials.

Binding Type:

N/A (Digital Download)

Paper Type:

N/A (Digital Download)

⚙️ Engine Specifications

Engine Options 1990 K1500:

4.3L V6 (VIN 'Z'), 5.0L V8 (VIN 'E'), 5.7L V8 (VIN 'K')

Engine Code 4 3L V6:

LV3

Displacement 4 3L V6:

262 cubic inches (4.3 Liters)

Horsepower 4 3L V6:

Approx. 160 HP @ 4000 RPM

Torque 4 3L V6:

Approx. 230 lb-ft @ 2400 RPM

Engine Code 5 0L V8:

L03

Displacement 5 0L V8:

305 cubic inches (5.0 Liters)

Horsepower 5 0L V8:

Approx. 175 HP @ 4000 RPM

Torque 5 0L V8:

Approx. 270 lb-ft @ 2400 RPM

Engine Code 5 7L V8:

L05

Displacement 5 7L V8:

350 cubic inches (5.7 Liters)

Horsepower 5 7L V8:

Approx. 210 HP @ 4000 RPM

Torque 5 7L V8:

Approx. 300 lb-ft @ 2400 RPM

Fuel System Type:

Electronic Fuel Injection (EFI), Sequential Fuel Injection (SFI) for 5.7L

Ignition System Type:

Distributorless Ignition System (DIS) for 4.3L V6, Traditional Distributor for V8s.

🔧 Transmission

Standard Transmission Type:

4-Speed Automatic (e.g., 4L60) for most configurations. Manual transmissions were available on some models but less common.

Optional Transmission Type:

5-Speed Manual (e.g., Getrag 5LM60) may have been available on specific configurations.

Drivetrain Options:

4WD (K1500 designation)

Automatic Transmission Fluid Type:

Dexron-III (or equivalent)

📐 Dimensions

Wheelbase Short Bed:

118.0 inches

Wheelbase Long Bed:

131.5 inches

Overall Length Short Bed:

194.1 inches

Overall Length Long Bed:

217.6 inches

Curb Weight Range:

Approximately 4200-4700 lbs, depending on configuration.

Payload Capacity Range:

Approximately 1500-2000 lbs, depending on configuration.

🛡️ Safety Features

Passive Safety Features:

Seatbelts, Crumple Zones (as per 1990 standards).

NHTSA Ratings 1990:

Specific NHTSA ratings for 1990 models are not readily available in a standardized format; however, the GMT400 platform was a significant step forward in truck safety for its era.

💡 Technology Features

Infotainment Features 1990:

Standard AM/FM radio, optional cassette player, optional CD player, analog gauges, basic climate controls.

Driver Assistance Features 1990:

Anti-lock Braking System (ABS) available as an option.

Connectivity Features 1990:

No modern connectivity features (e.g., Bluetooth, USB) were available.

🔧 Maintenance

Oil Change Interval:

Typically every 3,000-5,000 miles or 3-6 months, depending on driving conditions and oil type used.

Tire Rotation Interval:

Every 5,000-7,500 miles.

Spark Plug Replacement Interval:

Varies by plug type, often around 30,000-60,000 miles for standard plugs, higher for platinum or iridium.

Engine Oil Type:

API SF or SG, SAE 10W-30 recommended for most ambient temperatures (consult manual for specific exceptions).

Coolant Type:

Ethylene Glycol based, typically a green coolant meeting GM specifications.

Brake Fluid Type:

DOT 3

Power Steering Fluid Type:

Dexron-II or Dexron-III

Common Issues Gmt400:

Vortec engine performance issues (if applicable to later years), rear main seal leaks, dashboard cracks, HVAC actuator failures, ABS system issues, transmission fluid leaks, suspension component wear (ball joints, bushings).

Oil Filter Example:

ACDelco PF2 or equivalent (e.g., Fram PH8A, Wix 51515)

Air Filter Example:

ACDelco A1854C or equivalent

📚 Vehicle History

Chevrolet Truck Heritage:

Chevrolet has a long and distinguished history in the pickup truck market, dating back to the 1918 "One-Ton" truck, establishing a reputation for durability and utility.

Gmt400 Platform Introduction:

The 1988 model year saw the introduction of the GMT400 platform, which significantly modernized the Chevrolet C/K pickup line with a new chassis, improved aerodynamics, and a more refined interior. The 1990 model year continued this evolution.

Production Locations:

GMT400 trucks were manufactured at various General Motors assembly plants in North America.

K1500 Significance:

The K1500 represented Chevrolet's entry-level, light-duty 4WD pickup, popular for both work and personal use, offering a balance of capability and comfort.

🏆 Awards & Recognition

Industry Recognition Gmt400:

The GMT400 platform was generally well-received for its significant improvements over its predecessors and set a new standard for comfort and handling in pickup trucks of its era.