Market Segment:
Niche, Lifestyle, Performance Roadster Pickup
Target Audience:
Enthusiasts seeking a unique, sporty convertible pickup
Direct Competitors:
No direct production competitors; unique segment
Indirect Competitors:
High-performance sports cars, luxury convertibles, unique specialty vehicles
Key Features Vehicle:
Retractable Hardtop Convertible Roof, Rear-Wheel Drive, Powerful V8 Engines, Unique Styling
Key Features Manual:
Comprehensive Coverage, Detailed Procedures, Technical Diagrams, Troubleshooting Guidance
Years Covered:
2003, 2004, 2005, 2006
Regions Covered:
North America (USA, Canada, Mexico)
Engine Variants Covered:
4.8L V8, 5.3L V8
Transmission Variants Covered:
4-Speed Automatic, 6-Speed Manual
Estimated Page Count:
Approximately 2000+
Manual Type:
Complete Workshop Service Repair Manual
Powertrain Systems:
Engine (4.8L V8 LR4, 5.3L V8 LM4/LS4), Transmission (4L60-E Automatic, T-56 Manual), Drivetrain, Cooling System, Fuel System, Exhaust System, Ignition System
Chassis Systems:
Suspension (Front Independent, Rear Solid Axle), Steering System, Brake System (Front Disc, Rear Disc), Wheels and Tires
Body And Frame:
Body Panels, Frame, Convertible Roof Mechanism, Doors, Hood, Tailgate, Interior Trim, Exterior Trim
Electrical Systems:
Wiring Diagrams, Lighting, Instrumentation, Audio System, HVAC Controls, Powertrain Control Module (PCM), Body Control Module (BCM), Anti-theft System, Airbag System
Maintenance Procedures:
Scheduled Maintenance, Oil Change, Filter Replacement, Fluid Checks and Top-offs, Belt Inspection and Replacement
Repair Procedures:
Engine Overhaul, Transmission Rebuild, Brake Service, Suspension Component Replacement, Steering System Repair, Electrical Component Diagnosis and Repair, Body Panel Repair and Replacement, Convertible Top Service
Diagnostic Procedures:
Troubleshooting Guides, DTC Code Interpretation, Component Testing, Electrical System Diagnostics
Special Procedures:
Convertible Roof System Calibration and Repair, Convertible Top Motor Replacement, Convertible Top Sensor Diagnosis
Diagnostic Tools:
OBD-II Scan Tool Requirements, Specific Diagnostic Software Mentioned (if applicable)
Torque Specifications:
Detailed Torque Values for critical fasteners
Clearances And Tolerances:
Engine component clearances, brake pad tolerances, etc.
Wiring Diagrams:
Comprehensive and color-coded wiring schematics for all systems
Illustrations And Diagrams:
Step-by-step diagrams and exploded views for disassembly and reassembly
Engine Code 2003 2004:
LR4
Engine Description 2003 2004:
4.8L (4797cc) Vortec V8 SOHC
Horsepower 2003 2004:
285 hp @ 5200 rpm
Torque 2003 2004:
305 lb-ft @ 4000 rpm
Engine Code 2004 2006:
LM4 (2004-2005), LS4 (2005-2006)
Engine Description 2004 2006:
5.3L (5328cc) Vortec V8 SOHC with Active Fuel Management (AFM) on LS4
Horsepower 2004 2005:
300 hp @ 5200 rpm
Torque 2004 2005:
330 lb-ft @ 4000 rpm
Horsepower 2005 2006:
300 hp @ 5200 rpm
Torque 2005 2006:
331 lb-ft @ 4000 rpm
Fuel Delivery:
Multi-port Fuel Injection (MPI)
Recommended Fuel:
Premium Unleaded Gasoline (91 Octane or higher recommended for optimal performance)
Transmission Type:
4-Speed Automatic (4L60-E)
Transmission Type:
6-Speed Manual (T-56)
Transmission Fluid Spec Automatic:
Dexron III or Dexron VI (refer to manual for specific year/application)
Transmission Fluid Spec Manual:
GM Synchromesh Friction Modified or equivalent
NHTSA Front Crash Rating:
4 Stars (Driver and Passenger)
NHTSA Side Impact Rating:
5 Stars (Front and Rear Passengers)
Active Safety Features:
ABS (Anti-lock Braking System), Traction Control (TCS)
Passive Safety Features:
Dual Front Airbags, Seat-mounted Side-impact Airbags (Optional), Seatbelt Pretensioners
Infotainment System:
Available premium audio systems, CD player, optional Bose sound system.
Instrumentation:
Analog gauges, driver information center (DIC) with trip computer and warnings.
Driver Assistance Features:
Cruise Control
Connectivity Features:
Standard AM/FM radio, auxiliary input jack (on later models or aftermarket).
Oil Change Interval:
Every 3,000-7,500 miles (5,000-12,000 km) or 6-12 months, depending on driving conditions and oil type (refer to owner's manual for specifics)
Engine Air Filter Replacement:
Every 15,000-30,000 miles (24,000-48,000 km) or as needed based on inspection
Spark Plug Replacement:
Approximately 100,000 miles (160,000 km) for iridium-tipped plugs
Engine Oil Type 4.8L:
SAE 5W-30 Synthetic (API Service SG or higher)
Engine Oil Type 5.3L:
SAE 5W-30 Synthetic (API Service SG or higher)
Coolant Type:
GM-specific Orange Long-Life Coolant (or equivalent Dex-Cool compatible)
Known Issues Summary:
Potential for convertible top mechanism issues, minor electrical gremlins, exhaust manifold leaks, and early wear on certain suspension components.
Convertible Top Troubleshooting:
Common issues with hydraulic cylinders, motors, and sensors for the power-retractable hardtop.
Brand Identity:
Chevrolet, an American automotive division of General Motors (GM), known for a wide range of vehicles from trucks to sports cars.
Concept Inspiration:
Inspired by classic Chevrolet trucks and hot rods, with a modern interpretation.
Design Philosophy:
Retro-modern styling, combining vintage aesthetics with contemporary performance and features.
Production Period:
2003-2006
Assembly Location:
General Motors Assembly Plant, Lansing, Michigan, USA
Production Volume:
Relatively low production volume, making it a collector's item.
