1999 GMC K3500 Service & Repair Manual

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🏷️ Basic Information Identification Make: GMC Model: K3500 Year: 1999 Generation Generation Designation: Third Generation (GMT400) Codes Platform Code: GMT400 👋 Introduction Market Position Segment: Heavy-Duty Pickup Truck Target Audience:...

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Type: Truck

Vendor:

Sku: 203197

Tags: 1999 Cars GMC K Series K3500 Truck

Product variants

Description

🏷️ Basic Information

Identification

Make:

Model:

K3500

Year:

Generation

Generation Designation:

Third Generation (GMT400)

Codes

Platform Code:

GMT400

👋 Introduction

Market Position

Segment:

Heavy-Duty Pickup Truck

Target Audience:

DIY mechanics, fleet maintenance, owners seeking in-depth repair knowledge.

Competitive Analysis

Competitors:

Ford F-Series Super Duty, Dodge Ram 2500/3500.

Differentiation:

Focus on factory-derived, licensed OE information for accuracy and completeness.

Key Features

Licensed Content:

Information derived from OE (Original Equipment) materials.

Convenience:

Instant online access, accessible from multiple devices, eliminating the need for physical manuals.

Cost Effectiveness:

More affordable than traditional printed manuals and professional repair services.

Accuracy:

Licensed OE data ensures the highest level of accuracy for repairs and diagnostics.

📋 Manual Details

Coverage Areas

Diagnostic Coverage:

Extensive, including troubleshooting charts and diagnostic procedures.

Mechanical Coverage:

Comprehensive, covering all major mechanical systems.

Electrical Coverage:

Detailed, including wiring diagrams and component location.

Body And Frame Coverage:

Includes repair procedures for body panels, chassis, and frame.

Page Count

Estimated Page Count:

Over 2000 (typical for comprehensive service manuals of this era, though the digital format may vary in presentation).

Manual Type

Type:

Service and Repair Manual (Software)

Language

Language:

English

Format

Access Format:

Online Access via Web Browser

Compatibility:

PC, Laptop, Smartphone, Tablet

Subscription Period:

1 Year Access

📖 Manual Coverage

Systems Covered

Engine Management:

Detailed diagnostics, repair, and overhaul for V8 and V6 gasoline engines.

Fuel System:

Injection system diagnosis and repair, fuel pump, injectors, pressure regulator.

Cooling System:

Radiator, water pump, thermostat, fan clutch, heater core replacement.

Exhaust System:

Catalytic converter, muffler, exhaust pipes, oxygen sensors.

Drivetrain:

Front and rear axle service, transfer case (4WD models), driveshafts, U-joints.

Suspension:

Front independent suspension (torsion bar), rear leaf springs, shocks, control arms.

Steering:

Power steering pump, gearbox, tie rods, steering linkage.

Brakes:

Front disc brakes, rear drum brakes (or disc brakes on some models), ABS system diagnosis and repair.

Electrical System:

Battery, alternator, starter, ignition system, lighting, power windows, locks, mirrors.

HVAC:

Air conditioning compressor, refrigerant system, heater core, blower motor, climate controls.

Body And Frame:

Body panel removal and installation, door mechanisms, glass replacement, chassis and frame inspection.

Procedures Included

Maintenance:

Scheduled maintenance, oil changes, filter replacements, fluid checks, lubrication.

Troubleshooting:

Systematic diagnostic procedures for common and uncommon faults.

Repair:

Detailed step-by-step repair instructions for all major components and systems.

Rebuilds:

Engine and transmission rebuild procedures, including specifications and clearances.

Component Replacement:

Removal and installation guides for virtually every component.

Diagnostic Codes:

OBD-II diagnostic trouble code (DTC) definitions and interpretation.

Technical Depth

Depth:

Comprehensive, from basic maintenance to complex diagnostics and component overhauls.

Diagnostic Tools:

Specifies required diagnostic tools and equipment.

Torque Specifications:

Precise torque values for all critical fasteners.

Wiring Diagrams:

Detailed, color-coded wiring schematics for all vehicle circuits.

Special Tools:

Identification and usage instructions for specialized tools required for certain procedures.

📊 Manual Specifications

File Format

File Type:

Proprietary Software/Web-Based Platform

Print Quality

Print Quality:

N/A (Digital Format)

Binding Type

Binding:

N/A (Digital Format)

Paper Type

Paper:

N/A (Digital Format)

⚙️ Engine Specifications

Primary Engine

Engine Option 1:

5.0L V8 (305 ci) Vortec 5000

Engine Option 1 Power:

Approx. 230 hp @ 4600 rpm

Engine Option 1 Torque:

Approx. 285 lb-ft @ 3200 rpm

Engine Option 2:

5.7L V8 (350 ci) Vortec 5700

Engine Option 2 Power:

Approx. 255 hp @ 4600 rpm

Engine Option 2 Torque:

Approx. 330 lb-ft @ 3200 rpm

Engine Option 3:

7.4L V8 (454 ci) Vortec 7400 (optional)

Engine Option 3 Power:

Approx. 300 hp @ 4000 rpm

Engine Option 3 Torque:

Approx. 410 lb-ft @ 3200 rpm

Performance

Induction Type:

Multi-port Fuel Injection (MPFI)

Fuel System

Fuel Type:

Unleaded Gasoline

🔧 Transmission

Standard

Transmission Option 1:

4-Speed Automatic (4L80-E)

Optional

Transmission Option 2:

5-Speed Manual (NV4500 HD) (less common on K3500, but available)

Features

Drive System:

RWD (Rear-Wheel Drive) or 4WD (Four-Wheel Drive)

📐 Dimensions

Exterior

Body Styles:

Regular Cab, Extended Cab (Crew Cab became more common in later years of GMT400).

Wheelbase Options:

Multiple, including 130.0 inches (Regular Cab) and 158.0 inches (Long Bed Regular Cab/Extended Cab).

Weights

Gvwr:

Exceeds 10,000 lbs (Class 3 designation), allowing for significant payload and towing capacity.

🛡️ Safety Features

Ratings

NHTSA Ratings:

Specific NHTSA ratings for 1999 K3500 are not readily available as separate model-year data, but the GMT400 platform generally performed moderately in crash tests of its era.

Active Features

Anti-lock Braking System (ABS) typically standard on K3500 models.

Passive Features

Airbags:

Driver-side airbag standard; passenger airbag optional on some configurations.

💡 Technology Features

Infotainment

Radio Options:

AM/FM stereo, cassette player, CD player (optional).

Speaker System:

Various speaker configurations available, typically 4-6 speakers.

Driver Assistance

Cruise Control:

Standard on most K3500 models.

Connectivity

OBD Ii Port:

Standard OBD-II diagnostic port for emissions and engine fault code retrieval.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Typically every 3,000-7,500 miles depending on usage and oil type (refer to manual for exact specifications).

Transmission Fluid Change:

Recommended every 30,000-50,000 miles for automatic transmissions, depending on towing and load conditions.

Coolant Flush:

Every 30,000-50,000 miles or 2-3 years.

Fluid Specifications

Engine Oil:

Consult manual; typically SAE 5W-30 or 10W-30 synthetic blend for Vortec engines.

Transmission Fluid Auto:

Dexron III (or equivalent).

Coolant:

Dex-Cool (orange) or traditional green ethylene glycol coolant (refer to manual for specific type and capacity).

Known Issues

Tps Failure:

Throttle Position Sensor (TPS) failures can lead to erratic shifting or poor engine performance.

Intake Manifold Gaskets:

Leaking intake manifold gaskets, especially on early Vortec engines, can cause coolant and vacuum leaks.

Rear Main Seal:

Potential for rear main seal leaks, especially on higher mileage vehicles.

Transfer Case Chain Wear:

Wear on the transfer case chain in 4WD models can lead to noise or slipping.

Steering Component Wear:

Wear in ball joints, tie rod ends, and steering gear can occur due to the heavy-duty nature of the truck.

📚 Vehicle History

Brand Heritage

Gmc Legacy:

GMC has a long history of producing rugged and durable trucks, often positioned as professional-grade vehicles.

Model Evolution

K Series Lineage:

The K-series represents GMC's 4WD truck line, evolving through various generations (like the C/K series) into the GMT400 platform.

Production

Gmt400 Production Period:

1988-1998 (major redesign), with models up to 2002 in some configurations, making 1999 a late-model year within the broader GMT400 lifecycle.

🏆 Awards & Recognition

Recognitions

Truck Of The Year:

While specific awards for the 1999 K3500 aren't typically highlighted, the GMT400 platform was a strong contender in the heavy-duty truck market of its era.