Engine Mechanical:
Engine disassembly, assembly, lubrication, cooling, fuel, ignition, exhaust
Engine Performance:
Engine diagnostics, performance tuning, emissions control
Drivetrain Transmission:
Automatic and Manual Transmission overhaul, service, diagnostics (e.g., 4L80E, NV4500)
Drivetrain Axles:
Front and Rear Axle service, differentials, drivelines, CV joints
Suspension:
Front and Rear Suspension (Independent front suspension for 4x4, Solid front axle for 4x4), control arms, springs, shocks, stabilizers
Steering:
Power steering system, steering gear, steering column, tie rods, alignment
Brakes:
Front and Rear Brakes (Disc front, Disc or Drum rear), ABS, hydraulic system, parking brake
Electrical System:
Battery, charging system (alternator), starting system, ignition system
Electrical Lighting:
Exterior and Interior lighting systems, circuits, bulbs
Electrical Accessories:
Power windows, locks, mirrors, wipers, horn, trailer wiring
HVAC:
Heating, Ventilation, and Air Conditioning (HVAC) system diagnosis and repair, refrigerant handling
Body Exterior:
Body panels, doors, hoods, tailgates, bumpers, glass, trim
Body Interior:
Interior trim, seating, dashboard, headliner, carpet
Chassis Frame:
Frame construction, rust prevention, body mounting
Safety Restraints:
Airbag system, seat belts, pre-tensioners
Diagnostics:
OBD-II (On-Board Diagnostics II) system, diagnostic trouble codes (DTCs), scan tool usage
Maintenance:
Oil changes, filter replacements, fluid checks and changes, tune-ups, tire rotation
Troubleshooting:
Systematic diagnostic procedures for common and uncommon faults
Repair Overhaul:
Complete disassembly and reassembly of major components (engine, transmission, brakes, etc.)
Installation:
Installation of replacement parts and accessories
Adjustments:
Component adjustments (e.g., brake adjustment, belt tensioning, alignment)
Depth:
Comprehensive, factory-level detail suitable for professional technicians and advanced DIYers
Diagnostics Level:
Advanced, including sensor data, component testing, and circuit analysis
Diagrams:
Includes wiring diagrams, exploded views, and system schematics
Oil Change Interval:
Every 3,000-7,500 miles or 6-12 months, depending on driving conditions and oil type (consult manual for specifics).
Transmission Fluid Change:
Typically every 30,000-100,000 miles, or under severe service conditions (refer to manual).
Coolant Flush:
Every 30,000-60,000 miles or 2-5 years, depending on coolant type.
Engine Oil Viscosity:
Commonly 5W-30 or 10W-30 (refer to owner's manual or specific engine data).
Coolant Type:
Conventional Green or Extended Life OAT/HOAT coolant, check manual for compatibility.
Intake Manifold Gaskets:
Leaking intake manifold gaskets, particularly on earlier Vortec V8s, leading to coolant/oil leaks and rough running.
Crankshaft Position Sensor:
Crankshaft position sensor failures can cause intermittent stalling or no-start conditions.
Rear Main Seal:
Rear main engine seal leaks are a common repair, often requiring transmission removal.
Transfer Case Issues:
Potential issues with electronic transfer case actuators (if equipped) or worn internal components.
Exhaust Manifold Cracks:
Cracked exhaust manifolds can lead to exhaust leaks and ticking noises.
