Vehicle Segment:
Mid-size SUV (Sport Utility Vehicle)
Competitors 2006-2009:
Ford Explorer, Jeep Grand Cherokee, Nissan Pathfinder, Toyota 4Runner, Ford Edge, Toyota Highlander
Body Styles:
Two-row (short wheelbase) and three-row (long wheelbase) configurations
Drivetrain Options:
Rear-wheel drive (RWD) and On-Demand Four-wheel drive (4WD)
Primary Coverage:
All U.S., Canadian, and Mexican market models
Estimated Page Count:
Hundreds of pages (specific count not provided, but described as comprehensive)
Type:
Factory Service Repair Workshop Manual
Powertrain:
Engine mechanical, engine electrical, fuel system, exhaust system, cooling system, lubrication system, ignition system, starting and charging system
Drivetrain:
Transmission (automatic), transfer case, drivelines, axles, differentials, drive shafts, wheel bearings
Chassis:
Suspension (front and rear), steering system, braking system (ABS, parking brake), wheels and tires
Body:
Body structure, interior trim, exterior trim, doors, windows, seats, HVAC system, body electrical, lighting, wipers, safety restraints (airbags, seatbelts)
Maintenance:
Scheduled maintenance, oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt inspection and replacement
Repair:
Component removal and installation, engine overhaul, transmission overhaul, brake component replacement, suspension component replacement, electrical system diagnosis and repair
Troubleshooting:
Diagnostic charts, symptom-based troubleshooting, electrical schematic interpretation, fault code diagnosis
Special Procedures:
Alignment procedures, diagnostic tool usage, special tool requirements, torque specifications for critical fasteners
Depth:
Comprehensive, from basic maintenance to advanced diagnostics and complete rebuild procedures
Engine Option 1 Displacement:
4.2L (4157cc) Vortec Inline-6 (LL8)
Engine Option 1 Configuration:
Inline-6 (I6)
Engine Option 1 Horsepower:
Approx. 205-220 hp @ 4500-5600 rpm (depending on year and configuration)
Engine Option 1 Torque:
Approx. 275-285 lb-ft @ 2800-3000 rpm (depending on year and configuration)
Engine Option 2 Displacement:
5.3L (5328cc) Vortec V8 (LM4/LH6)
Engine Option 2 Configuration:
V8
Engine Option 2 Horsepower:
Approx. 300-305 hp @ 5200 rpm
Engine Option 2 Torque:
Approx. 330-335 lb-ft @ 4000 rpm
Fuel Delivery:
Sequential Fuel Injection (SFI)
Vortec 6 Cylinder:
Overhead Valve (OHV), 2 valves per cylinder
Vortec 8 Cylinder:
Overhead Valve (OHV), 2 valves per cylinder, Displacement on Demand (Active Fuel Management) on some 5.3L V8 models
Type:
4-speed automatic overdrive (4L60-E)
Type:
4-speed automatic overdrive with Tow/Haul mode on some V8 models
Transfer Case 4Wd:
NP1 (light-duty) or NP8 (heavy-duty) NVG Autotrac active transfer case with various modes (2WD High, 4WD Auto, 4WD Lock)
Transmission Fluid Type:
Dexron-VI Automatic Transmission Fluid (ATF)
Wheelbase Short Wheelbase:
107.0 inches (2,718 mm)
Wheelbase Long Wheelbase:
113.0 inches (2,870 mm)
Curb Weight I6 Rwd Approx:
4,500 - 4,700 lbs (2,041 - 2,132 kg)
Curb Weight V8 4Wd Approx:
4,800 - 5,000 lbs (2,177 - 2,268 kg)
Towing Capacity Max Approx:
6,500 - 7,400 lbs (2,948 - 3,357 kg) depending on engine, drivetrain, and axle ratio
NHTSA Rollover Rating:
4-star (front driver, front passenger, side driver, side rear passenger) and 5-star (rear passenger) for both 2WD and 4WD models
ABS:
Standard Anti-lock Braking System (ABS)
Traction Control:
Standard Traction Control System (TCS)
Airbags:
Driver and front passenger airbags, available side-impact airbags (check specific year/trim)
Seatbelts:
3-point seatbelts with pretensioners for all outboard seating positions
Audio System:
AM/FM stereo with CD player, optional Bose premium audio system, optional in-dash 6-disc CD changer
Navigation:
Optional DVD-based navigation system available on higher trims.
Rear Parking Assist:
Optional ultrasonic rear parking assist system
Remote Keyless Entry:
Standard on most trims
Onstar:
Optional OnStar telematics system available
Oil Change Recommendation:
Every 3,000-7,500 miles (5,000-12,000 km) or 6 months, depending on driving conditions and oil type used (consult manual for specific guidance).
Transmission Fluid Service:
Every 30,000-100,000 miles (48,000-160,000 km), depending on usage and manufacturer recommendations (often involves filter replacement).
Spark Plug Replacement I6:
Approximately every 100,000 miles (160,000 km) with recommended iridium spark plugs.
Spark Plug Replacement V8:
Approximately every 100,000 miles (160,000 km) with recommended iridium spark plugs.
Engine Oil Viscosity:
SAE 5W-30 (preferred for both I6 and V8 engines, check manual for specific variations)
Engine Oil Capacity I6:
Approx. 5 quarts (4.7 liters) with filter change
Engine Oil Capacity V8:
Approx. 6 quarts (5.7 liters) with filter change
Coolant Type:
GM Goodwrench Dex-Cool Extended Life Antifreeze/Coolant (Orange) or equivalent meeting GM6277M specification
Common Issues:
Cracked exhaust manifolds (especially on V8), rear axle seal leaks, heater core leaks, power steering leaks, transmission issues (torque converter, solenoid issues), front suspension component wear (ball joints, tie rods), potential for evaporator core leaks (leading to AC issues)
Chevrolet SUV Legacy:
Chevrolet has a long history of producing robust SUVs, dating back to the K-5 Blazer and Tahoe.
Trailblazer Introduction:
The Trailblazer was introduced as a replacement for the popular Chevrolet Blazer in 2002, initially built on the GMT360 platform which it shared with the GMC Envoy, Oldsmobile Bravada, and Isuzu Ascender.
Manufacturing Locations:
Primary assembly plants included Moraine, Ohio, and Oklahoma City, Oklahoma.
Model Discontinuation:
Production of the Trailblazer (and its platform mates) ended in 2009 in North America, with a brief revival in South America.
