Segment:
Light Commercial Vehicle / Medium Duty Truck
Target Audience:
Fleet operators, independent repair shops, owner-operators, DIY mechanics.
Key Competitors:
Ford E-Series, Dodge Ram (older models), Freightliner Sprinter (early models), other Japanese LCVs of the era.
Unique Selling Points:
Reputation for durability and reliability, versatile platform suitable for various vocational applications (e.g., delivery, service, utility).
Powertrain:
Engine, transmission, drivetrain, fuel system, exhaust system, cooling system, lubrication system.
Chassis:
Suspension, steering, brakes, wheels, tires.
Body And Frame:
Frame construction, body panels, doors, windows, interior trim, exterior trim, safety restraints.
Electrical System:
Battery, charging system, starting system, lighting, instrumentation, engine control module (ECM), body control module (BCM), comfort and convenience systems.
HVAC System:
Heating, ventilation, and air conditioning.
Maintenance:
Routine inspections, oil changes, filter replacements, fluid checks and top-offs, lubrication, tire rotation.
Diagnostics:
Troubleshooting guides, symptom-based diagnostics, diagnostic trouble codes (DTCs) interpretation, electrical circuit testing.
Repair:
Component removal and installation, system adjustments, component rebuilding (e.g., engine, transmission), panel repair, wiring harness repair.
Specifications:
Torque specifications, fluid capacities and types, electrical values, measurements, wear limits.
Depth:
Comprehensive (from basic maintenance to complete engine and transmission overhauls).
Engine Type:
Vortec 4.8L V8, Vortec 5.3L V8, Vortec 6.0L V8 (Gasoline); Duramax 6.6L V8 Turbo Diesel (LBO/LBZ variants)
Engine Displacement Gas:
4.8L (293 cu in), 5.3L (325 cu in), 6.0L (366 cu in)
Engine Displacement Diesel:
6.6L (403 cu in)
Horsepower Range:
Approx. 200-325 HP (Gasoline V8), Approx. 300-360 HP (Duramax Diesel)
Torque Range:
Approx. 280-370 lb-ft (Gasoline V8), Approx. 520-605 lb-ft (Duramax Diesel)
Fuel Delivery Gas:
Sequential Electronic Fuel Injection (SEFI)
Fuel Delivery Diesel:
High-Pressure Common Rail (HPCR) with direct injection
Fuel Type:
Unleaded Gasoline (87 octane recommended), Diesel Fuel
Spark Plug Type:
Delco Remy Iridium (e.g., 41-993)
Oil Type Gas:
SAE 5W-30 Synthetic (API SM or later)
Oil Type Diesel:
API CJ-4 or CK-4 (e.g., 15W-40 Synthetic)
Transmission Type Gas:
4-Speed Automatic (4L60E, 4L80E variants)
Transmission Type Diesel:
5-Speed Manual (ZF variants), 4-Speed Automatic (4L80E)
Optional Transmission:
5-Speed Allison Automatic (for some heavy-duty diesel applications)
Overdrive:
Yes (for automatic transmissions)
Transmission Fluid Gas Auto:
Dexron-III H or Dexron-VI Automatic Transmission Fluid (ATF)
Transmission Fluid Diesel Auto:
Allison TES 295 or equivalent
Transmission Fluid Manual:
GL-4 or GL-5 Gear Oil (specific viscosity as per manual)
Wheelbase Options:
Multiple options available, typically ranging from 117 to 150 inches, depending on configuration.
Length Range:
Varies significantly based on configuration, typically 190-240 inches.
Width Range:
Approx. 75-80 inches (body width).
Height Range:
Approx. 75-85 inches (cab height).
Payload Capacity:
Varies by configuration and GVWR, typically 1,500 - 5,000+ lbs.
Gvwr Range:
Typically 7,000 - 10,000+ lbs (depending on chassis and configuration).
Curb Weight:
Varies greatly, typically 4,500 - 6,000+ lbs.
Ntsb Safety Recalls:
Refer to NHTSA database for specific recalls related to 2006 Chevrolet/GMC/Isuzu N-Series trucks.
ABS:
Standard Anti-lock Braking System (ABS).
Traction Control:
Available on some models, particularly with higher GVWR ratings or diesel engines.
Airbags:
Driver and Passenger Airbags (standard on most configurations).
Seat Belts:
Three-point seat belts for all occupant positions.
Audio System:
Basic AM/FM stereo with CD player, optional auxiliary input, satellite radio capability.
Display:
Simple digital or analog displays for radio, clock, and basic vehicle information. No complex touchscreens.
Cruise Control:
Standard on most trims for highway driving comfort.
Trailer Brake Controller:
Available as an aftermarket or factory option for towing applications.
Usb Ports:
Not typically equipped with factory USB ports; aftermarket solutions available.
Bluetooth:
Not typically equipped with factory Bluetooth connectivity.
Oil Change Interval Gas:
Typically 3,000-7,500 miles or 6-12 months, depending on driving conditions and oil type. Manual recommendation is key.
Oil Change Interval Diesel:
Typically 5,000-10,000 miles or 6-12 months, depending on oil quality and load. Manual recommendation is key.
Air Filter Replacement:
Inspect every 15,000 miles, replace as needed or at 30,000-60,000 mile intervals depending on environment.
Transmission Fluid Change:
Automatic: 45,000-60,000 miles. Manual: Per manual recommendation, often higher mileage.
Coolant Type:
GM P/N 12346051 (Orange) or equivalent Dex-Cool Extended Life Antifreeze/Coolant.
Brake Fluid Type:
DOT 3 or DOT 4 Hydraulic Brake Fluid.
Common Duramax Issues:
Fuel injector issues (LB7/LLY specific, less common on LBZ), EGR cooler leaks, occasional turbocharger problems.
Common Vortec Issues:
Intake manifold gasket leaks (older designs), occasional ignition coil failures, spark plug blow-out (less common on later designs).
Common Transmission Issues:
Overheating in heavy-duty use for 4L80E, potential solenoid issues.
Common Brake Issues:
Warped rotors, premature wear of pads due to vehicle weight and frequent braking cycles.
Chevrolet Truck Heritage:
Chevrolet has a long and storied history of producing reliable work trucks and commercial vehicles dating back to the early 20th century.
Gmc Truck Heritage:
GMC, a division of General Motors, shares a similar legacy in commercial and heavy-duty vehicles, emphasizing power and utility.
Isuzu Truck Heritage:
Isuzu Motors, a Japanese manufacturer, is globally recognized for its durable and efficient light-duty commercial vehicles, often known for their robust diesel engines.
Platform Origin:
The N-Series trucks for this period were largely based on Isuzu's global LCF (Low Cab Forward) platform, marketed under various GM brands.
Gm Isuzu Collaboration:
This collaboration allowed GM to offer a competitive range of LCF trucks in the North American market, leveraging Isuzu's engineering expertise.
Manufacturing Location:
Primarily manufactured in North America (often in GM plants) utilizing Isuzu components and designs.
