Engine Mechanical:
Complete overhaul, internal components, timing, seals, gaskets, cylinder heads, blocks, pistons, crankshafts, camshafts.
Emission Control:
Catalytic converters, oxygen sensors, EVAP systems, EGR systems, emission control sensors and actuators, diagnostic procedures for emissions.
Fuel Systems:
Fuel injection systems, fuel pumps, fuel injectors, fuel lines, fuel filters, fuel pressure regulators, evaporative emission control systems.
Cooling Systems:
Radiators, water pumps, thermostats, coolant hoses, cooling fans, coolant specifications, pressure testing, leak detection.
Lubrication:
Oil pumps, oil pans, oil filters, oil specifications, oil change procedures, lubrication points, oil pressure diagnostics.
Ignition:
Spark plugs, ignition coils, ignition control module, timing, diagnostic procedures.
Starter:
Starter motor testing, replacement, troubleshooting, solenoid operation.
Charging System:
Alternator testing, replacement, voltage regulation, battery testing, wiring.
Clutch:
Clutch system components, hydraulic systems, clutch pedal adjustment, clutch replacement procedures.
Manual Transmission:
Gearbox operation, internal components, fluid types and capacities, overhaul procedures, troubleshooting.
Automatic Transmission:
Transmission operation, internal components, torque converters, hydraulic systems, fluid types and capacities, overhaul, diagnostic trouble codes (DTCs), adaptive learning.
Transfer Case:
Operation, components, fluid types and capacities, servicing, troubleshooting (for 4WD/AWD models).
Propeller Shaft:
Driveshaft, U-joints, CV joints, balancing, replacement, servicing.
Suspension And Axle:
Front and rear suspension, shock absorbers, struts, coil springs, leaf springs, control arms, ball joints, wheel bearings, steering knuckles, axle shafts, differential servicing.
Brake:
Front and rear brakes (disc/drum), hydraulic systems, ABS, EBD, brake pads, rotors, calipers, wheel cylinders, brake fluid specifications, bleeding procedures, parking brake.
Steering:
Power steering system, steering gear, steering column, tie rods, power steering fluid, troubleshooting, alignment specifications.
Restraint System:
Airbags, seat belts, SRS system components, diagnostics, replacement procedures, safety precautions.
Body Electrical:
Interior and exterior lighting, power windows, power locks, mirrors, wipers, horn, fuses, relays, body control modules (BCMs), wiring diagrams.
Body:
Body panels, doors, hood, tailgate, bumpers, interior trim, glass, seals, rust prevention, repair procedures.
Air Conditioning:
Refrigerant types and capacities, AC system components (compressor, condenser, evaporator, receiver-drier), charging procedures, leak testing, climate control systems.
Maintenance:
Regular scheduled maintenance, fluid changes, filter replacements, inspections, lubrication.
Diagnostics:
Systematic troubleshooting, diagnostic trouble codes (DTCs), symptom-based diagnostics, electrical diagnostics, using diagnostic scan tools.
Repair:
Step-by-step repair procedures for all major and minor components, assembly and disassembly.
Technical Specifications:
Torque specifications, clearances, tolerances, fluid capacities, electrical specifications, diagnostic parameters.
Preparation:
Vehicle preparation for servicing, safety precautions, proper tool usage, jacking and lifting procedures.
Electrical Wiring:
Comprehensive electrical wiring diagrams, component locations, circuit tracing, connector information.
Depth:
Factory-level diagnostic and repair procedures, suitable for professional technicians and advanced DIYers. Covers everything from basic maintenance to complex component overhauls and electrical system troubleshooting.
Oil Change:
Recommended every 7,500 miles or 6 months (using synthetic oil) or 3,000 miles/3 months (conventional). Check manual for specific intervals based on driving conditions.
Tire Rotation:
Recommended every 7,500 miles.
Engine Air Filter:
Inspect every 30,000 miles, replace as needed.
Cabin Air Filter:
Replace every 30,000 miles or annually.
Spark Plugs:
Platinum-tipped spark plugs: typically replaced around 100,000 miles. Verify with manual or specific plug type.
Engine Oil:
SAE 5W-30 Synthetic (meeting GM specification GM6094M) for 5.3L and 6.0L engines.
Coolant:
Dex-Cool (Orange) Extended Life Antifreeze/Coolant (GM P/N 12346290 or equivalent) mixed 50/50 with distilled water.
Transmission Fluid Auto:
Dexron VI Automatic Transmission Fluid (ATF) (GM P/N 88862448 or equivalent).
Brake Fluid:
DOT 3 or DOT 4 brake fluid.
Power Steering Fluid:
GM Power Steering Fluid (GM P/N 10953503 or equivalent).
Active Fuel Management Lifter Noise:
Common issue where AFM lifters can become noisy or fail, often manifesting as ticking or knocking sounds from the engine. Requires specialized repair procedures detailed in the manual.
Transmission Hard Shifting:
Some 4L60-E/4L70-E transmissions can exhibit hard shifting or delayed engagement, often related to worn internal components or electrical solenoids.
Rear Main Seal Leaks:
Potential for rear main engine seal leaks, which is a labor-intensive repair.
Body Panel Fitment:
Due to the complexity of the midgate and body structure, occasional issues with panel alignment or seals can arise.