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Manual Coverage
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Systems Covered
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Powertrain:
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Engine (including diagnostics, repair, overhaul), Fuel System, Exhaust System, Transmission (manual and automatic), Drivetrain (axles, differentials)
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Chassis:
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Suspension (front and rear), Steering System, Brakes (front and rear, ABS, parking brake)
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Electrical:
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Electrical System (wiring diagrams, fuses, relays, battery, charging system, starting system), Lighting, Instrumentation, Powertrain Control Module (PCM), Body Control Module (BCM)
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Body And Comfort:
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HVAC (Heating, Ventilation, and Air Conditioning), Body Panels, Doors, Windows, Seats, Interior Trim, Body Electrical (wipers, horn, locks, mirrors)
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Procedures Included
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Routine Maintenance:
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Oil change, filter replacement, fluid checks and top-offs, tire rotation, spark plug replacement
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Diagnostic Procedures:
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Troubleshooting guides, diagnostic trouble codes (DTCs), electrical system diagnostics, component testing
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Repair And Rebuild:
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Engine assembly/disassembly, transmission repair, brake caliper replacement, suspension component replacement, steering gear repair
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Component Replacement:
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Alternator, starter, water pump, fuel pump, master cylinder, shock absorbers, CV joints
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Technical Depth
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Depth:
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Comprehensive (from basic maintenance to full mechanical and electrical overhauls)
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Maintenance
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Service Intervals
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Oil Change Interval Gasoline:
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Every 7,500 miles or 6 months, whichever comes first (under normal driving conditions)
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Oil Change Interval Diesel:
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Every 5,000 miles or 6 months, whichever comes first (under normal driving conditions)
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Engine Air Filter Replacement:
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Every 30,000 miles or 24 months
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Cabin Air Filter Replacement:
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Every 15,000 miles or 12 months
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Spark Plug Replacement I5:
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Every 100,000 miles
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Transmission Fluid Change Auto:
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Every 45,000 miles or 36 months (severe service); 90,000 miles (normal service)
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Fluid Specifications
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Engine Oil Gasoline:
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SAE 5W-30 Synthetic (API SM or SN)
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Engine Oil Diesel:
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SAE 15W-40 Synthetic Diesel Engine Oil (API CJ-4 or CK-4)
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Coolant:
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Dex-Cool Extended Life Antifreeze/Coolant (50/50 mixture)
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Brake Fluid:
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DOT 3
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Transmission Fluid Auto:
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Dexron VI
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Transmission Fluid Manual M80:
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SAE 75W-90 Synthetic Gear Oil
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Transfer Case Fluid Np1:
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GM Auto-Trak II Transfer Case Fluid
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Known Issues
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Common Problem 1:
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Vibrations (often related to driveshaft balance, U-joints, or rear axle)
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Common Problem 2:
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Transmission issues (shift solenoid failures, torque converter shudder in automatics)
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Common Problem 3:
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Fuel pump failures
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Common Problem 4:
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HVAC blower motor resistor failure
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Common Problem 5:
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Ignition switch failure
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