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Manual Coverage
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Systems Covered
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Powertrain:
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Engine mechanical, fuel system, ignition system, exhaust system, engine management (ECM/PCM), transmission (automatic), drive axles, differentials.
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Chassis:
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Braking system (front and rear, ABS), steering system, suspension system (front and rear), wheels and tires.
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Electrical:
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Starting and charging system, lighting system, instrumentation, power accessories (windows, locks, mirrors, seats), climate control HVAC, audio system, body control module (BCM), diagnostic trouble codes (DTCs).
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Body:
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Exterior body panels, interior trim, doors, hood, trunk, glass, seals, structural components.
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Procedures Included
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Maintenance:
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Scheduled maintenance, oil changes, filter replacements, fluid checks and top-offs, tune-ups, belt and hose inspection/replacement.
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Diagnostics:
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Troubleshooting procedures for all systems, diagnostic flowcharts, symptom-based diagnostics, DTC interpretation and resolution.
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Repair:
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Component removal, disassembly, inspection, repair, reassembly, and installation for all major vehicle systems.
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Special Procedures:
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Wheel alignment, suspension component replacement, brake caliper and rotor service, engine timing procedures, transmission service and overhaul, electrical connector diagnosis.
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Technical Depth
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Depth:
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Comprehensive, from basic routine maintenance to complex overhauls and diagnostics. Includes detailed exploded views, torque specifications, and wiring diagrams.
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Engine Specifications
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Primary Engine
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Engine Code Option 1:
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3800 Series II (L36) V6 (3.8L/231 ci)
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Engine Description 1:
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Naturally aspirated, overhead valve (OHV), sequential fuel injection (SFI), iron block, aluminum heads.
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Performance
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Horsepower L36:
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205 hp @ 5200 rpm
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Torque L36:
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230 lb-ft @ 3600 rpm
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Horsepower L67:
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240 hp @ 5200 rpm
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Torque L67:
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280 lb-ft @ 3600 rpm
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Fuel System
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Fuel Induction:
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Sequential Port Fuel Injection (SFI)
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Engine Options
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Engine Code Option 2:
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Supercharged 3800 Series II (L67) V6 (3.8L/231 ci)
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Engine Description 2:
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Supercharged, overhead valve (OHV), sequential fuel injection (SFI), iron block, aluminum heads.
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Transmission
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Standard
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Transmission Type Standard:
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4-speed automatic transaxle
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Transmission Code Standard:
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4T65-E
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Optional
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Transmission Type Optional:
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4-speed automatic transaxle with performance algorithm shifting (PAS)
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Transmission Code Optional:
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4T65-E HD (Heavy Duty - typically for supercharged models)
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Features
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Transmission Features:
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Electronically controlled, front-wheel drive, integrated transaxle.
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Fluid Specifications
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Transmission Fluid Type:
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Dexron-III (or equivalent, e.g., Dexron-VI)
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Maintenance
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Service Intervals
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Oil Change Interval:
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Every 7,500 miles or 6 months (with synthetic blend or synthetic oil), or 3,000 miles/3 months (conventional oil, severe service).
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Air Filter Replacement:
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Inspect every 15,000 miles, replace as needed (typically every 30,000 miles).
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Spark Plug Replacement:
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Refer to specific engine. L36 typically uses NGK platinum plugs (e.g., BKR5EKPB-11) with a 100,000-mile interval. L67 may vary.
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Fluid Specifications
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Engine Oil Type:
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SAE 3.8L V6: SAE 5W-30 (API Certified, GM spec)
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Coolant Type:
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GM-spec orange coolant (50/50 mix with distilled water)
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Brake Fluid Type:
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DOT 3
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Known Issues
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Common Problems Engine:
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Lower intake manifold gasket leaks (especially on earlier 3800 engines, less common on Series II), occasional issues with oil pressure sending units, spark plug blow-out on early Series I (less common on Series II).
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Common Problems Transmission:
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Leaking transmission fluid from seals or cooler lines, occasional torque converter shudder, shift solenoid issues.
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Common Problems Suspension:
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Front strut mount wear, rear air suspension compressor failure (if equipped), control arm bushing wear.
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Common Problems Electrical:
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HVAC blower motor resistor failure, power window motor issues, dashboard warning light illuminations due to sensor faults.
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