Powertrain:
Engine mechanical, fuel system, ignition system, exhaust system, cooling system, lubrication system, engine control (ECU/ECM).
Transmission:
Manual transmission (M5SR1) and Automatic transmission (Sportmatic/H-Matic), including diagnosis, repair, and fluid specifications.
Drivetrain:
Front-wheel drive (FWD), All-wheel drive (AWD) system, transfer case, drive shafts, differentials (front and rear).
Suspension:
Front independent suspension (double wishbone), Rear multi-link suspension, shock absorbers, springs, control arms, bushings.
Brakes:
Front disc brakes, Rear disc brakes, ABS (Anti-lock Braking System), EBD (Electronic Brakeforce Distribution), brake fluid specifications, bleeding procedures.
Steering:
Power assisted steering system, steering rack, power steering pump, fluid specifications.
Electrical:
Battery, charging system (alternator), starting system, lighting system, fuses, relays, wiring diagrams, instrument cluster, power accessories.
HVAC:
Heating, Ventilation, and Air Conditioning (HVAC) system, refrigerant R-134a, compressor, condenser, evaporator, diagnosis and repair.
Body:
Exterior body panels, doors, hood, tailgate, bumpers, interior trim, glass, mirrors, body sealing, rust prevention.
Diagnostics:
On-Board Diagnostics (OBD-II), diagnostic trouble codes (DTCs), troubleshooting procedures, sensor testing.
General Maintenance:
Oil and filter changes, air filter replacement, cabin air filter replacement, spark plug replacement, fluid level checks and top-offs.
Engine Repair:
Engine overhaul, cylinder head removal/installation, piston and ring replacement, bearing replacement, timing belt/chain service.
Transmission Service:
Transmission fluid and filter replacement, clutch replacement (manual), torque converter replacement (automatic), transmission overhaul.
Brake System Service:
Brake pad and rotor replacement, brake caliper service, brake line replacement, ABS system component testing and replacement.
Suspension And Steering Repair:
Component replacement (ball joints, tie rods, control arms, struts/shocks), power steering system repair, wheel alignment procedures.
Electrical System Troubleshooting:
Diagnosis of starting and charging system faults, lighting issues, power accessory malfunctions, use of wiring diagrams.
HVAC System Repair:
Refrigerant system evacuation and recharging, compressor replacement, leak detection, blower motor service.
Body And Interior Repair:
Door panel removal, tailgate repair, glass replacement, seat removal, trim piece installation.
Depth:
Comprehensive, covering everything from basic maintenance and fluid checks to advanced engine and transmission rebuilds, including detailed troubleshooting guides and wiring diagrams.
NHTSA Front Driver Side Impact:
4/5 Stars (for earlier models, check specific VIN reports)
NHTSA Front Passenger Side Impact:
4/5 Stars (for earlier models, check specific VIN reports)
IIHS Side Impact Rating:
Good (for models equipped with side airbags)
ABS:
Standard Anti-lock Braking System (ABS) with EBD
Traction Control:
Optional Traction Control System (TCS)
Stability Control:
N/A for most 2004 models, not a common feature for this generation.
Airbags:
Front dual-stage airbags (driver and passenger), optional front side-impact airbags.
Seatbelts:
3-point seatbelts with pretensioners and load limiters for front seats, 3-point seatbelts for rear seats.
Child Seat Anchors:
LATCH (Lower Anchors and Tethers for Children) system.
Rollover Protection:
Body-on-frame construction contributes to structural integrity, but specific rollover ratings vary. Check NHTSA data.
Engine Oil And Filter Change:
Every 7,500 miles (12,000 km) or 6 months, whichever comes first.
Air Filter Replacement:
Every 15,000 miles (24,000 km) or 12 months.
Cabin Air Filter Replacement:
Every 15,000 miles (24,000 km) or 12 months.
Spark Plug Replacement I4:
Every 100,000 miles (160,000 km) (if using iridium-tipped plugs).
Spark Plug Replacement V6:
Every 100,000 miles (160,000 km) (if using iridium-tipped plugs).
Automatic Transmission Fluid Change:
Every 30,000 miles (48,000 km) or 24 months.
Manual Transmission Fluid Change:
Every 30,000 miles (48,000 km) or 24 months.
Coolant Replacement:
Initial replacement at 60,000 miles (96,000 km) or 4 years, then every 30,000 miles (48,000 km) or 2 years.
Brake Fluid Replacement:
Every 24,000 miles (38,000 km) or 24 months.
Engine Oil Viscosity:
5W-20 or 5W-30 (API SM/SL or higher)
Engine Oil Capacity I4:
4.5 liters (4.8 US quarts) with filter change
Engine Oil Capacity V6:
4.7 liters (5.0 US quarts) with filter change
Coolant Type:
Ethylene Glycol based (Asian Red/Orange type, or equivalent HOAT)
Power Steering Fluid:
ATF Dexron III or equivalent
Engine Oil Consumption:
Some owners report higher than average oil consumption, especially on higher mileage V6 engines. Regular checks are recommended.
Transmission Slippage:
Early automatic transmissions can exhibit slipping. Ensuring proper fluid levels and service is crucial.
Suspension Component Wear:
Ball joints, control arm bushings, and sway bar links can wear over time, leading to clunking noises and alignment issues.
Window Regulator Failure:
Power window regulators are a known weak point, with motors failing or regulators breaking.
HVAC Blower Motor:
Blower motor failure can result in no or intermittent airflow from the HVAC system.