Market Position:
Compact/Mid-size SUV (Body-on-frame construction)
Competitive Analysis:
Competed against vehicles like the Ford Explorer, Jeep Grand Cherokee, Toyota 4Runner, and Nissan Pathfinder. Offered a balance of utility, comfort, and off-road capability in its segment.
Key Features:
Available in 2-door (S-Blazer) and 4-door configurations, robust body-on-frame chassis, rear-wheel drive or available 4-wheel drive systems, a range of V6 and inline-4 engines.
Coverage Areas:
Complete Service and Repair
Page Count:
Not Specified (Digital Access)
Manual Type:
Service and Repair Manual Software
Licensing Status:
Officially Licensed and Derived from OE (Original Equipment) Materials
Format:
PDF Download (Access via Web Browser)
Systems Covered:
Engine, Drivetrain, Transmission, Brakes, Suspension, Steering, HVAC, Electrical System, Bodywork, Fuel System, Exhaust System, Cooling System, Lubrication System, Starting and Charging System, Ignition System, Emissions Control System, Lighting, Interior Components, Exterior Components, Diagnostic Procedures, Troubleshooting
Electrical System Details:
Comprehensive coverage of the vehicle's electrical system, including detailed wiring diagrams for all circuits, lighting, power accessories, engine control, and body control modules. Troubleshooting charts for common electrical faults.
Procedures Included:
Routine Maintenance, Scheduled Maintenance, Troubleshooting, Component Diagnosis, Component Repair, Component Replacement, Overhaul Procedures, Electrical System Diagnostics, Wiring Diagrams, Body Panel Repair, Suspension Alignment, Brake Service, Engine Tune-up, Drivetrain Service, HVAC System Repair
Engine Rebuild Procedures:
Step-by-step instructions for engine disassembly, inspection, cleaning, part replacement (pistons, rings, bearings, valves, etc.), and reassembly with correct torque specifications and clearances.
Steering System Repair:
Procedures for power steering pump, steering gear, tie rod ends, ball joints, and steering column components. Includes alignment specifications.
Technical Depth:
Comprehensive: From basic fluid changes and filter replacements to advanced engine diagnostics, transmission overhauls, and complete electrical system troubleshooting.
File Format:
PDF Download (Web Browser Access)
Compatibility:
Compatible with PC, laptop, smartphone, or tablet via a web browser with internet connection.
Print Quality:
High Resolution (for screen viewing and potential printing)
Binding Type:
N/A (Digital Product)
Paper Type:
N/A (Digital Product)
Primary Engine:
4.3L V6 Vortec (LM4)
Horsepower 4.3L V6:
190 hp @ 4400 rpm
Torque 4.3L V6:
250 lb-ft @ 2800 rpm
Engine Displacement 4.3L V6:
262 cubic inches (4.3 Liters)
Fuel Injection Type:
Multi-Port Fuel Injection (MPFI)
Optional Engine:
2.8L 4-cylinder (LK3) - Less common for this year
Horsepower 2.8L I4:
177 hp @ 5600 rpm (approximate)
Torque 2.8L I4:
181 lb-ft @ 4000 rpm (approximate)
NHTSA Frontal Driver Side 2004:
★★★★★ (5 Stars)
NHTSA Frontal Passenger Side 2004:
★★★★★ (5 Stars)
NHTSA Side Driver Front Seat 2004:
★★★★☆ (4 Stars)
NHTSA Side Rear Seat 2004:
★★★★☆ (4 Stars)
Active Safety Features:
Anti-lock Braking System (ABS), available Traction Control System (TCS), available StabiliTrak (electronic stability control)
Passive Safety Features:
Dual front airbags, available side-impact airbags, front seatbelt pretensioners, child seat anchor points (LATCH)
Infotainment Features:
AM/FM stereo, CD player, available premium audio system, cassette player (on some early models), optional navigation system.
Driver Assistance Features:
Cruise control, available steering wheel audio controls.
Connectivity Options:
Limited by modern standards; primarily analog connectivity for audio systems. OnStar communication system available on select trims.
Oil Change Interval:
Every 5,000 - 7,500 miles or 6-12 months, depending on driving conditions and oil type used (refer to manual for specific recommendations).
Engine Coolant Flush Interval:
Every 30,000 - 50,000 miles or 2-5 years.
Transmission Fluid Change Interval:
Every 50,000 - 100,000 miles, or more frequently under severe use.
Engine Oil Spec 4.3L V6:
API SM or higher, SAE 5W-30 synthetic recommended for optimal performance and protection.
Transmission Fluid Type:
Dexron-III (or equivalent)
Coolant Type:
GM-specific orange coolant (or equivalent Dex-Cool compatible antifreeze)
Common Issues:
Head gasket leaks (especially on early models), intake manifold gasket leaks, fuel pump failure, ABS system issues, catalytic converter problems, and some electrical gremlins related to body control modules or wiring harnesses.
Oil Filter Part Number Example:
ACDelco PF1218 (or equivalent)
Air Filter Part Number Example:
ACDelco A3167C (or equivalent)
Brand Heritage:
Chevrolet, a division of General Motors, has a long history of producing reliable and versatile vehicles, including a strong presence in the truck and SUV segments since the mid-20th century.
Model Evolution:
The 2004 Blazer is part of the second generation, which saw significant updates. This model year falls into the later part of this generation, with a focus on refinement and integration with GM's truck platforms.
Production Location:
United States (Moraine, Ohio; Janesville, Wisconsin)
Production Years Model:
1995-2005
