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Manual Coverage
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Systems Covered
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Engine Mechanical:
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Engine assembly, cylinder head, block, pistons, crankshaft, camshafts, timing belt/chain, lubrication, cooling system, fuel delivery.
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Engine Performance:
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Engine control system (ECU), ignition system, emissions control, diagnostics, performance tuning.
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Transmission Manual:
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Manual transmission (5-speed and 6-speed), clutch system, driveline components (driveshafts, differentials).
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Transmission Automatic:
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Automatic transmission (4-speed and 5-speed), torque converter, transmission control system, fluid cooling.
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Brakes:
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Hydraulic system, ABS, EBD, brake discs, calipers, pads, lines, parking brake.
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Suspension:
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Front and rear suspension components (struts, shocks, control arms, bushings), wheel alignment, steering system.
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Steering:
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Power steering system (hydraulic and electric assist), steering column, tie rods, steering rack.
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Electrical System:
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Battery, charging system (alternator), starting system, lighting system (headlights, taillights, interior), wiring diagrams, fuses, relays.
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Body And Chassis:
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Body construction, panels, doors, glass, interior trim, chassis components, corrosion protection.
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HVAC:
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Heating, ventilation, and air conditioning systems, refrigerant, blower motor, climate control unit.
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Safety Systems:
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Airbag system, seatbelts, pre-tensioners, ISOFIX child seat anchors.
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Infotainment:
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Audio system, navigation (if equipped), antenna, speaker systems.
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Procedures Included
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Routine Maintenance:
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Oil changes, filter replacements, fluid checks and top-offs, tire rotations, spark plug replacement, brake pad inspection.
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Diagnostic Procedures:
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Troubleshooting guides, diagnostic trouble codes (DTCs), system testing, using scan tools.
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Repair Procedures:
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Step-by-step instructions for component removal, disassembly, repair, assembly, and installation for all major systems.
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Rebuild Procedures:
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Detailed instructions for engine and transmission rebuilds, including torque specifications and clearances.
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Electrical Troubleshooting:
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Wiring diagrams, circuit testing, component diagnosis, repair of electrical faults.
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Bodywork Repair:
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Panel replacement, dent repair, rust treatment, glass replacement, interior trim fitting.
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HVAC Service:
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Refrigerant charging, leak detection, component replacement (compressor, condenser, evaporator), blower motor repair.
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Safety System Service:
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Airbag system inspection, SRS component replacement, seatbelt servicing.
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Technical Depth
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Depth Level:
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Expert/Professional Level
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Detail Level:
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Includes detailed specifications, torque values, diagnostic procedures, and component diagrams.
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Scope:
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Covers everything from basic maintenance to complete overhaul and advanced diagnostics.
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Transmission
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Standard
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Standard Transmission:
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5-speed manual transmission (on most 2.5L models)
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Optional
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Optional Transmission 4Cyl:
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4-speed automatic transmission (on most 2.5L models)
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Optional Transmission 6Cyl:
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5-speed automatic transmission (on 3.0R models)
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Gt Transmission:
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5-speed manual transmission (standard on 2.5GT) or 4-speed automatic transmission (optional on 2.5GT).
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Features
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AWD System:
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Symmetrical All-Wheel Drive with viscous coupling center differential (manual) or electronically controlled multi-plate transfer clutch (automatic).
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Transmission Fluid Type Auto:
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Subaru ATF HP (or equivalent, check specific year/model fluid)
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Transmission Fluid Type Manual:
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GL-5 Gear Oil, SAE 75W-90 (or specific Subaru specified lubricant)
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Transmission Fluid Capacity Auto 4Sp:
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Approx. 7.0-8.0 quarts (check manual for exact refill)
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Transmission Fluid Capacity Auto 5Sp:
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Approx. 7.5-8.5 quarts (check manual for exact refill)
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Transmission Fluid Capacity Manual 5Sp:
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Approx. 2.3 quarts
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Dimensions
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Exterior
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Length Sedan:
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Approx. 187.4 inches (4760 mm)
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Width:
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Approx. 68.1 inches (1730 mm)
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Height Sedan:
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Approx. 56.1 inches (1425 mm)
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Wheelbase:
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Approx. 104.1 inches (2645 mm)
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Track Width Front:
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Approx. 58.9 inches (1495 mm)
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Track Width Rear:
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Approx. 58.5 inches (1485 mm)
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Ground Clearance:
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Approx. 5.7 inches (145 mm) (standard models)
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Weights
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Curb Weight Base Model:
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Approx. 3200-3400 lbs (1450-1540 kg)
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Gross Vehicle Weight Rating:
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Varies by model, typically around 4300-4600 lbs (1950-2090 kg)
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Cargo
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Trunk Volume Sedan:
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Approx. 14.7 cu ft (0.416 m³)
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Cargo Volume Wagon:
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Approx. 31.7 cu ft (0.897 m³) with rear seats up, 67.7 cu ft (1.917 m³) with rear seats folded.
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Wheels And Tires
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Wheel Bolt Pattern:
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5x100
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Standard Tire Size 2.5I:
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205/55R16
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Optional Tire Size Gt/3.0R:
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215/45R17 or 205/50R17
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Standard Wheel Size:
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16-inch steel or alloy
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Optional Wheel Size:
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17-inch alloy
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Safety Features
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Ratings
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NHTSA Front Driver Impact:
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Good (tested on similar models of the generation)
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NHTSA Front Passenger Impact:
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Good (tested on similar models of the generation)
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NHTSA Side Driver Impact:
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Good (tested on similar models of the generation)
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NHTSA Side Rear Passenger Impact:
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Good (tested on similar models of the generation)
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IIHS Front Offset Crash:
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Good (tested on similar models of the generation)
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IIHS Side Impact:
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Good (tested on similar models of the generation)
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Active Features
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ABS:
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Standard Anti-lock Braking System (ABS)
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Ebd:
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Standard Electronic Brake-force Distribution (EBD)
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Traction Control:
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Available on some models/trims
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Stability Control:
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Not widely available on 2002 models.
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Passive Features
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Airbags:
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Front airbags, optional side curtain airbags (check specific trim).
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Seatbelts:
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3-point front and rear seatbelts, front seat pretensioners.
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Child Seat Anchors:
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ISOFIX/LATCH lower anchors and tethers.
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Maintenance
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Service Intervals
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Oil Change Interval:
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Every 3,750 miles or 6 months, whichever comes first (under severe driving conditions) or 7,500 miles/12 months (under normal driving conditions). Refer to manual for specific conditions.
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Air Filter Replacement:
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Every 15,000 miles or 12 months.
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Engine Coolant Replacement:
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Initial replacement at 30,000 miles or 24 months, then every 30,000 miles or 24 months thereafter.
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Timing Belt Replacement:
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Crucial for EJ25 SOHC and EJ25 DOHC engines. Typically every 105,000 miles or 105 months. Consult the manual for exact interval and inspection procedures. Failure to replace can cause catastrophic engine damage.
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Spark Plug Replacement 2.5I Sohc:
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Iridium spark plugs typically last 60,000-100,000 miles. Check manual for exact type and interval.
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Brake Fluid Replacement:
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Every 30,000 miles or 36 months.
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Fluid Specifications
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Engine Oil Type 2.5I:
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SAE 5W-30 API SG or higher (check manual for specific viscosity and API rating)
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Engine Oil Type 2.5Gt:
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SAE 5W-30 or 10W-30 API SG or higher (check manual for specific viscosity and API rating, often synthetic recommended for turbo)
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Engine Oil Type 3.0R:
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SAE 5W-30 API SG or higher (check manual for specific viscosity and API rating)
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Engine Oil Capacity 2.5L:
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Approx. 4.2 quarts (with filter)
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Engine Oil Capacity 3.0L:
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Approx. 5.5 quarts (with filter)
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Coolant Type:
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Subaru Super Coolant (Blue) or equivalent P-HOAT coolant. Do not mix with OAT coolants.
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Power Steering Fluid:
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Subaru Active Hydraulic Fluid (or Dexron II/III ATF) - check manual for specific recommendation.
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Known Issues
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Head Gaskets:
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While less common on the EJ253 (SOHC) in 2002 models compared to earlier DOHC variants, head gasket leaks can still occur. The manual will detail inspection and replacement procedures.
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Automatic Transmission Performance:
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Some owners have reported occasional harsh shifting or delayed engagement on higher-mileage units. Proper fluid maintenance is key.
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Cv Joints And Axles:
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Wear and tear can lead to clicking noises during turns, particularly on older AWD systems. The manual covers inspection and replacement.
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Suspension Bushings:
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Can degrade over time, leading to clunking noises or imprecise handling. The manual details bushing replacement.
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Evaporative Emissions System:
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Faulty EVAP purge valves or vent solenoids can trigger Check Engine Lights. The manual provides diagnostic trees.
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