🏷️ Basic Information Identification Make: GMC Model: K3500 Year: 1998 Codes Platform: GMT400 👋 Introduction Market Position Positioning: High-quality, licensed digital service and repair manual for heavy-duty GMC trucks Competitive Analysis Advantage Over Print: More convenient, faster access, potentially lower cost than outdated printed manuals Key Features Features: Instant access, licensed OE data, step-by-step instructions, diagnostic flowcharts Value Proposition: Empowers users to perform repairs and maintenance, saving money on labor costs 📋 Manual Details Coverage Areas Product Name: 1998 GMC K3500 Service & Repair Manual Developer: RepairSurge Information Source: Licensed OE (Original Equipment) Materials Access Duration: 1 Year Subscription Page Count Estimated Pages: Extensive (Digital Format) Manual Type Type: Online Service and Repair Manual Software Language Language: English Format Format: Web-based Software/Digital Access 📖 Manual Coverage Systems Covered Engine Service: Engine repair, diagnostics, overhaul, tuning Drivetrain: Transmission, transfer case, axles, driveshafts, differentials Brakes: Hydraulic system, ABS, rotors, pads, calipers, lines Suspension: Front and rear suspension components, shocks, springs, bushings Steering: Steering gear, power steering pump, linkages, alignment Electrical: Wiring diagrams, starting, charging, ignition, lighting, accessories HVAC: Heating, Ventilation, and Air Conditioning systems, components, and diagnostics Bodywork: Body panels, doors, interior trim, glass, bumpers Procedures Included Maintenance: Scheduled maintenance, oil changes, fluid checks, filter replacements Diagnostics: Troubleshooting guides, symptom-based diagnostics, fault code interpretation Repair: Step-by-step repair instructions for all major vehicle systems Overhaul: Detailed procedures for engine, transmission, and differential overhauls Component Replacement: Instructions for replacing common wear items and major components Technical Depth Depth: Comprehensive factory-level repair and diagnostic information Target Audience: DIY enthusiasts and professional mechanics 📊 Manual Specifications File Format Accessibility: Accessible via web browser on PC, laptop, smartphone, tablet Print Quality Print Option: Digital format, no physical print quality metrics apply Binding Type Binding: Digital Access, no physical binding Paper Type Paper: Not applicable (digital format) ⚙️ Engine Specifications Primary Engine Engine Options: 4.3L V6 (VIN X), 5.0L V8 (VIN Y), 5.7L V8 (VIN T), 7.4L V8 (VIN J) Performance Engine Code 4.3L V6: Vortec 4300 (L35), 190-200 hp, 245-260 lb-ft torque (approx.) Engine Code 5.0L V8: Vortec 5000 (L30), 220-230 hp, 275-290 lb-ft torque (approx.) Engine Code 5.7L V8: Vortec 5700 (L31), 255-265 hp, 330-350 lb-ft torque (approx.) Engine Code 7.4L V8: Vortec 7400 (L29), 300-315 hp, 410-425 lb-ft torque (approx.) Fuel System Fuel Delivery: Sequential Fuel Injection (SFI) 🔧 Transmission Standard Standard Transmission: 4-speed Automatic (4L60E for 4.3L, 5.0L, 5.7L; 4L80E for 5.7L heavy duty and 7.4L) Optional Optional Transmission: 5-speed Manual (NV4500 for select applications) Features Transmission Features: Electronic control for automatic transmissions (4L60E/4L80E), Overdrive gear 📐 Dimensions Exterior Body Styles: Regular Cab, Extended Cab, Crew Cab Bed Lengths: 6.5 ft, 8 ft Weights Gvwr Range: Up to 9,200 lbs (varies by configuration) Curb Weight: Approximately 4,500 - 5,500 lbs (varies by configuration) 🛡️ Safety Features Ratings NHTSA Ratings: Not readily available for this specific year/model; typical for trucks of this era Active Features ABS: Anti-lock Braking System (ABS) standard on rear wheels, optional 4-wheel ABS Passive Features Airbags: Driver-side airbag standard 💡 Technology Features Infotainment Radio Options: AM/FM stereo, cassette player, optional CD player Speakers: Standard speaker configurations, some models may have premium options Driver Assistance Cruise Control: Available on most models Trailer Brake Controller: Factory provision for trailer brake controller available on many K3500 models Connectivity Connectivity Features: Limited by era; primarily analog systems, no integrated Bluetooth or USB 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000-5,000 miles or 3-6 months (depending on oil type and driving conditions) Transmission Fluid Change: Every 30,000-60,000 miles for automatic, check manual for specific recommendations Coolant Flush: Every 30,000-100,000 miles or 2-5 years (depending on coolant type) Fluid Specifications Engine Oil Type: API SH or SJ, SAE 5W-30 or 10W-30 (consult manual for exact viscosity based on temperature) Transmission Fluid Type 4L60E: Dexron-III (or equivalent) Transmission Fluid Type 4L80E: Dexron-III (or equivalent) Coolant Type: Ethylene glycol-based, OAT or HOAT (Orange/Pink) or G-05 type coolant recommended Known Issues Common Wear Items: Ball joints, tie rod ends, U-joints, brake wear, exhaust system corrosion Engine Specific: Intake manifold gasket leaks (LS-based Vortec V8s), spider injection issues (earlier models) Transmission Specific: Torque converter clutch issues, solenoid failures in 4L60E 📚 Vehicle History Brand Heritage Gmc Truck Legacy: GMC has a long history of producing robust and capable trucks, dating back to the early 20th century. Model Evolution Gmt400 Generation: The K3500 is part of the GMT400 platform, which was introduced in 1988 and represented a significant redesign with improved aerodynamics and comfort. Production Production Years Gmt400: 1988-1998 🏆 Awards & Recognition Recognitions Truck Of The Year: GMC and Chevrolet trucks from this generation have historically received positive reviews for capability and durability, though specific 'Truck of the Year' awards for the 1998 K3500 are not prominently documented.